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#2257482 - 05/10/11 11:17 PM Cleaning engine bay
maz3 Offline


Registered: 05/10/11
Posts: 6
Loc: Ohio
I never detailed an engine before. It seems like most people are covering the sensitive components with plastic and then taking a hose, or worse a pressure washer to wash things down. To me even if everything is covered properly, it seems like a very bad idea.

Wouldn't it be better to hand wipe everything down? What cleaner would be safe for rubber/plastic components?

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#2257488 - 05/10/11 11:27 PM Re: Cleaning engine bay [Re: maz3]
hate2work Offline


Registered: 09/04/08
Posts: 4617
Loc: Western Washington

I've used Simple Green before with good results. Gunk makes a specific product for this, can't remember if I've ever used it.

But yeah, I just put plastic bags over the sensitive parts and just spray it on liberally, wait 30 minutes or so and rinse it off. You can get things pretty clean this way, but usually you still need to take a rag and wipe some areas.
_________________________

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#2257522 - 05/11/11 02:58 AM Re: Cleaning engine bay [Re: maz3]
Volvo_ST1 Offline


Registered: 02/05/11
Posts: 939
Loc: WA, USA
Originally Posted By: maz3
To me even if everything is covered properly, it seems like a very bad idea.

Why?

Quote:
Wouldn't it be better to hand wipe everything down?

How could you possibly manage?

Quote:
What cleaner would be safe for rubber/plastic components?

Engine degreaser/cleaner.

The biggest issues is moisture getting into electric connectors and causing corrosion. Better cars have sealed connectors with rubber boots. Never had a problem caused by washing an engine. I degrease the engine at least twice a year.
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#2257540 - 05/11/11 05:38 AM Re: Cleaning engine bay [Re: maz3]
demarpaint Offline


Registered: 07/03/05
Posts: 21313
Loc: NY
Covering sensitive parts is a good idea. Many people including myself have washed engines w/o covering parts and had no problems. The one time you have a problem you'll wish you covered sensitive parts. smile

My buddy asked to borrow my power washer a few years back to wash his patio. He got carried away and decided to wash his engine. He claims he used little to no power, needless to say he found out what happens when you water board a distributor cap that wasn't covered.
_________________________
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#2257563 - 05/11/11 07:17 AM Re: Cleaning engine bay [Re: demarpaint]
chad8 Offline


Registered: 08/26/09
Posts: 1251
Loc: michigan
6 cars that I wash the engine compartment yearly. I use either Awesome that u find at the dollar store, purple power, simple green or any decent degreaser.I do not like gunk engine brite. too caustic.
Use a spray bottle and liberally spray everything but the plug wires and coils. Keep it off the finished paint if possible but with awesome or simple green it doesnt matter. Scrub the heads with a brush .I use a pressure washer and green tip to wash the rest , even underneath. Keep it away from the oil filler cap and the intake sensors but even they can take it.
I never cover a thing. Let the motor dry a bit before starting.

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#2257589 - 05/11/11 08:01 AM Re: Cleaning engine bay [Re: maz3]
css9450 Offline


Registered: 01/03/04
Posts: 1626
Loc: Glen Ellyn, IL
I don't cover anything either. I'm careful not to aim the water at the alternator or distributor. Yes those items get some splashed onto them but not the full force of the hose. Never had a problem.

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#2257597 - 05/11/11 08:12 AM Re: Cleaning engine bay [Re: css9450]
67Customs Offline


Registered: 03/02/10
Posts: 150
Loc: North Carolina
I've never had a problem with washing out an engine bay with a hose. I prefer not to use a pressure washer unless something is being very stubborn or I can get a brush to it. I simply stay away from directly spraying electrical connections.

I use Meguiar's Super Degreaser. The best engine degreaser I have found so far.
_________________________
My vehicles run on Mobil 1 & NextGen.

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#2257619 - 05/11/11 08:53 AM Re: Cleaning engine bay [Re: maz3]
ahoier Offline


Registered: 02/03/10
Posts: 1720
Loc: Cocoa, FL
I've used LA's Totally Awesome All Purpose Degreaser (dollartree.com; yes, I buy it by the case...lol. Not just for the car, but granted, the car does get a lot of it) to manually clean around the dirty parts.

And I will just say this, it's soooo much easier working on a clean engine bay smile

If you want to really get your clean on, get some ramps, and put the vehicle on ramps and get the undercarriage smile


As with any "Degreaser" you gotta be careful, don't let the solution sit for a long period (or worse, dry out/evaporate...) on the aluminum parts, as some of these commercial "Degreasers" are known to cause etching/corrosion on metal parts.

If I recall, Simple Green was the "most popular" among that category.




I can't see much harm in soaking under the hood, my local car wash actually has an "Engine Degreaser" option on their self-serve stations, it brings the hose pressure down to a near "trickle", to dribble around the real dirty areas, then let it soak a little bit (go ahead and clean the wheels and rims), then come back and hose off the degreaser with the rinse.

Just stay away from the "spot free rinse" - a friend of mine does this car wash engine degreaser about every 6 months, and he said the one time he used the "spot free rinse" it left a strange "film" all under the hood.....almost like a wax...

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#2257624 - 05/11/11 09:00 AM Re: Cleaning engine bay [Re: maz3]
bigmike Offline


Registered: 06/05/09
Posts: 3239
Loc: Florida
_________________________
Take care,
-Mike

2006 Chevy Silverado LT 4.8 - QS 5w30, Napa Gold
2009 Honda Accord LX-P 2.4 - QS UD 0w20, P1 14610

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#2261273 - 05/14/11 09:47 PM Re: Cleaning engine bay [Re: bigmike]
doitmyself Offline


Registered: 06/03/02
Posts: 4740
Loc: MI
Simple Green comes up often in these discussions. If you go to their website faq, it states that it should be used "carefully" around aluminum, rinsed VERY thoroughly from all crevices, and suggested applying a sealant to the aluminum afterwards:

http://www.simplegreen.com/solutions_faqs.php?search_query=aluminum&search=Ask

Instead, they recommend using their Extreme Simple Green or Simple Green Pro HD which are metal safe and, it appears, also rubber and plastic safe:
"Simple Green has also developed break-through water based cleaners that are safe for use on metals, plastics, rubber and high tech alloys. Extreme Simple Green® Aircraft & Precision Cleaner and Simple Green® Pro HD are available on both the industrial and retail markets, respectively. These products were initially developed for the aircraft industry and extensive testing shows that they are safe and effective on a variety of metals and other sensitive surfaces even in the most extreme circumstances."

The PRO HD is available at Home Depot for about $14 per gallon. This seems MUCH safer.

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#2261334 - 05/14/11 10:49 PM Re: Cleaning engine bay [Re: maz3]
ltslimjim Offline


Registered: 08/06/10
Posts: 5143
Loc: PL&F
^So, it'd be safe for aluminum?
_________________________
1992 Civic VX 275k+
HG replaced, waiting to sample

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#2261677 - 05/15/11 11:30 AM Re: Cleaning engine bay [Re: maz3]
doitmyself Offline


Registered: 06/03/02
Posts: 4740
Loc: MI
Hi ltslimjim,

I have no experience with this stuff, but was concerned about rumors of using regular Simple Green on aluminum, as well as other materials. From what I have learned, I would NOT use it, period.

Regarding the Extreme Simple Green and Pro HD, the quote above implies they are the same product for the industrial/retail markets. This requires an e-mail to them for confirmation.

I suggest googling "Simple Green Pro HD Aluminum". This thread contains an e-mail response from SG:

http://www.airforums.com/forums/f441/info-on-washing-with-simple-green-40879.html

"Thank you for contacting Simple Green and for your interest in Simple Green products. The best product available for cleaning aluminum trailers would be Simple Green Pro HD. This is a product that was initially developed for the aircraft industry, to clean aluminum surfaces, high tech alloys, plastic and rubber parts. It has been tested, thoroughly and has proven to be non-corrosive to aluminum.

The original Simple Green product that you are obviously familiar with has been used to clean aluminum for many years. If used according to directions it is safe for use on aluminum. It is used at a high dilution ratio, combined with long contact times, the product can be corrosive to aluminum. The recommended dilution ratio for cleaning aluminum trailers is 1:30 with a contact time of 5 minutes or less. Of course it is never a good idea to allow any cleaning product dry onto a surface."

I also suggest studying some of the airplane threads. The airplane industry is concerned about both aluminum corrosion and hydrogen embrittlement. It seems that these products are approved for aluminum.

But, again, I am only sharing info available on the net and I have no personal experience. For now, I have decided against the regular formula, but am considering the HD formula. I will e-mail them for some answers.

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#2261794 - 05/15/11 02:27 PM Re: Cleaning engine bay [Re: maz3]
daves87rs Offline


Registered: 02/23/09
Posts: 13518
Loc: Michigan
Planning to try to the HD....
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#2261881 - 05/15/11 04:20 PM Re: Cleaning engine bay [Re: maz3]
volvos_rock Offline


Registered: 04/23/11
Posts: 137
Loc: PA
super clean, or like, garden hose. I never cover anything, usually have the engine running when I hose it off and have never had a problem.
_________________________
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#2261923 - 05/15/11 05:26 PM Re: Cleaning engine bay [Re: maz3]
ltslimjim Offline


Registered: 08/06/10
Posts: 5143
Loc: PL&F
^I had a friend do this for me, and when I was trying to pass emissions the next week my mechanic replaces the distributor cap/rotor only to find water inside!
_________________________
1992 Civic VX 275k+
HG replaced, waiting to sample

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#2262080 - 05/15/11 08:14 PM Re: Cleaning engine bay [Re: maz3]
electrolover Offline


Registered: 12/04/10
Posts: 3192
Loc: TEXAS
carwash full pressure wash. dont cover anything. once i had the alternator go out from it but im sure it was nearly there anyway. have not had any problems doing it with my fords.
_________________________
2004 F150 5.4 160k-Castrol TXT 5/40, Distance+ 3410-KREEN
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#2262167 - 05/15/11 10:02 PM Re: Cleaning engine bay [Re: electrolover]
Hallmark Offline


Registered: 10/28/10
Posts: 830
Loc: Pacific Northwest
Originally Posted By: electrolover
carwash full pressure wash. dont cover anything.


I trust that your statement is only an expression of your experience, not a recommendation to all.

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#2264399 - 05/18/11 05:42 AM Re: Cleaning engine bay [Re: maz3]
pzev Offline


Registered: 11/30/05
Posts: 601
Loc: arctic
Depends on the age and condition of the vehicle. On my 03 Ford, I cover the alternator, and nothing else. I use a multi-purpose degreaser, on the top side, and a gunk heavy duty on the bottom side. Let sit for 15-20min on a cool engine, and break out my pressure washer to rinse. I do tend to avoid constant spray on areas with lots of electrical connections, but otherwise I go to town on it. Once rinsed, I start the car and let it idle for about 5 minutes to get things warmed up for a bit and to check for any issues.
I've done this numerous times, and never problem.

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#2265083 - 05/18/11 07:27 PM Re: Cleaning engine bay [Re: maz3]
Hallmark Offline


Registered: 10/28/10
Posts: 830
Loc: Pacific Northwest
For the final finishing touch to dislodge fine sediment (e.g. sand, etc. in those hard to reach crevices) and gently dry everything to avoid water staining, use compressed air or a leafblower to dry the engine bay.

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#2265453 - 05/19/11 07:35 AM Re: Cleaning engine bay [Re: maz3]
doitmyself Offline


Registered: 06/03/02
Posts: 4740
Loc: MI
Here's a follow up reply from Simple Green. I asked about using their cleaners for grounds care/ag. equipment and vehicle engine areas that have aluminum, plastic, and rubber parts.

"Simple Green Pro HD is near identical in formulation to the Extreme Simple Green Aviation Cleaner – the only difference being that there is an added colorant to the Pro HD. Pro HD will be a suitable and more readily available product for you to use in your cleaning applications.

Both formulations are safe for paint, although they will remove any oxidized paint which, while beneficial, may cause a surface to look uneven."

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#2268447 - 05/22/11 09:35 PM Re: Cleaning engine bay [Re: maz3]
Eurospec91 Offline


Registered: 04/27/11
Posts: 13
Loc: Lake Worth, FL
I love Simple Green for engine bay cleaning! I've been using Simple Green for several cars and the results are outstanding! I just make sure the engine is cool, spray it on and let it sit for about a few minutes then spray it off.
_________________________
2000 Honda Accord 170k
Mobil 1 High Mileage 10w-30
Purolator PureONE Filter


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#2268472 - 05/22/11 09:59 PM Re: Cleaning engine bay [Re: maz3]
ARB1977 Offline


Registered: 06/12/05
Posts: 4498
Loc: North Texas
I don't get crazy. I use simple green and hose off.
_________________________
2002 Tacoma 3.4L 163K (as of 09-21-14)
M1 Super HM 5W30 & MoS2 / Fram Synthetic

2008 CRV 2.4L 105K (as of 03-22-14)
PP 0W20 & MoS2 / Honda A02

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#2307322 - 07/05/11 10:20 PM Re: Cleaning engine bay [Re: ARB1977]
bcossa2001 Offline


Registered: 07/17/07
Posts: 275
Loc: Alabama, USA
I have used Simple Green before and lightly misted it off with hot water from my water heater (hook the hose up to the drain valve at the bottom of the tank).

Recently I cleaned an engine with Castrol Super Clean--it contains sodium hydroxide--and the engine was sparkling afterward. Noticeably cleaner than the Simple Green..

I recently bought some purple power--it also contains sodium hydroxide--and will be curious to see how it stacks up...

I covered the altenator and the fuse box with a WalMart bag--never had any trouble
_________________________
"Facts are pesky things"

2003 Town & Country--118K
1997 Avalon--249K
1989 Accord
1984 Grand Prix
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#2307402 - 07/06/11 12:42 AM Re: Cleaning engine bay [Re: maz3]
mjoekingz28 Offline


Registered: 11/21/07
Posts: 1165
Loc: I-55 @ I-20
Don't forget to wax all the metal and painted parts in the engine bay AND the underside of the hood.

May as well go all the way!
_________________________
Saturn 1998 SC2
281k as of 12/29/13
5 speed


grip and rip
turn and burn

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#2307414 - 07/06/11 01:00 AM Re: Cleaning engine bay [Re: maz3]
SkyGod Offline


Registered: 10/12/10
Posts: 134
Loc: Ohio
I don't bother with the engine compartment.
The plastic covers are there for a reason.
Too many electronics under the hood.
Not a great idea to get them wet.
I'm sure I will get flamed for this.
Just my opinion.YMMV
_________________________
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#2307635 - 07/06/11 10:11 AM Re: Cleaning engine bay [Re: maz3]
KrisZ Offline


Registered: 12/23/06
Posts: 4267
Loc: Toronto, Canada
I like to keep the engine bay fairly clean, although it's been neglected for about 2 years now.

Anyway, I cleaned it last weekend using my trusty Simple Green diluted about 1:4, agitated with a brush and rinsed. Tire foam went on next. I’m good for another year or two.
_________________________
2006 Mazda3 2.0 - 190,000 Km
2003 Ford Focus ZX5 2.0 Zetec - 160,000Km
Both on good old dino juice smile

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#2307647 - 07/06/11 10:26 AM Re: Cleaning engine bay [Re: maz3]
JOD Offline


Registered: 09/10/09
Posts: 3144
Loc: PNW/WA
Hand washing would take forever. I have the Harbor Freight engine cleaning gun, but since the carwash near my house opened back up (like 4 blocks from my house), I typically just go there. I use the "engine clean" setting to soak everything, then rinse it with the gun. I just don't pull the trigger for the super-high spray. The engine cleaning gun is probably a little safer.

I do spray the electrical connections before hand w/WD40 to repel water. It's probably unnecessary, though. I also spray quickly around the coil packs and battery, but I do spray everything.

It's a lot more pleasant to work on a clean engine, and after the winter there's a good bit of grime in there since they sand the roads.

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#2307724 - 07/06/11 11:41 AM Re: Cleaning engine bay [Re: SkyGod]
dailydriver Offline


Registered: 03/14/06
Posts: 7065
Loc: Bucks County, Pa.
Originally Posted By: SkyGod
I don't bother with the engine compartment.
The plastic covers are there for a reason.
Too many electronics under the hood.
Not a great idea to get them wet.
I'm sure I will get flamed for this.
Just my opinion.YMMV



Nope, NO flames here, as I learned you are correct the hard way.
Let's just say that my engine's knock sensors, and associated wiring harnesses, are mounted down in the (open on the ends) valley UNDERNEATH the intake manifold!!

MUCH labor/bother, and the parts/gaskets/seals/etc. (even with substantial discounts) are not exactly free. frown
_________________________
2000 Z28 1SC 6 speed 175K miles
Red Line 0W-40/Sustina 0W-20 (20/80 mix)
Fram Ultra filter
Synpower 75W-140/4oz. XL-3
Red Line D4 in the T56

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#2459539 - 12/11/11 12:59 PM Re: Cleaning engine bay [Re: maz3]
boxcartommie22 Offline


Registered: 01/03/03
Posts: 2997
Loc: moutain country
i use simple green motorsports cleaner/degreaser..this product is awsome!!!i got this at pep boys 6 bucks


Edited by boxcartommie22 (12/11/11 01:11 PM)
_________________________
2001 Lincoln Conti,RL,K&N,SS Filter,Lubegard,Archoil
2007 Grand Marquis,RL,K&N,SS Filter,Lubegard,Archoil
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#2459774 - 12/11/11 05:02 PM Re: Cleaning engine bay [Re: maz3]
bustednutz Offline


Registered: 01/18/08
Posts: 942
Loc: Virginia Bch. VA
I just did my Mazda 3 last weekend with an older wash mit and carwash soap. I wiped down the sides of the engine bay and top surfaces of the engine.
Then I sprayed on some power purple to the hard to reach places.
I took that plastic engine cover off and washed it separately. With the entire engine exposed I washed and rinsed it all down. Fired it up and zero issues.
_________________________


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#2460199 - 12/12/11 07:47 AM Re: Cleaning engine bay [Re: maz3]
KrisZ Offline


Registered: 12/23/06
Posts: 4267
Loc: Toronto, Canada
I wash the engine bay once a year, usually mid to late spring to get all the salt off. I use Simple Green, diluted 4:1. I cover the alternator and electrical connections to the spark plugs and MAF with tin foil. With cold engine, I just spray everything down with SG, agitate with a brush and rinse off with a hose. Then I spray everything with tire foam.

I've been doing this since the car was brand new and so far everything looks good, with no problems. I recently changed spark plugs and the connections were nice and clean with no signs of corrosion, MAF connector is the same.
_________________________
2006 Mazda3 2.0 - 190,000 Km
2003 Ford Focus ZX5 2.0 Zetec - 160,000Km
Both on good old dino juice smile

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#2462798 - 12/14/11 07:35 PM Re: Cleaning engine bay [Re: maz3]
Firehawk409 Offline


Registered: 05/08/04
Posts: 282
Loc: Gretna, La
I simply spray simple green on everything, start the engine and spray it down with water. For the most part everything dries out after a 10mins of the engine running. I do this on my LT1 with the infamous Optispark. I just dont directly spray at it. Never had a problem.
_________________________
1994 Pontiac Firehawk #409 LT1 M6 slow
2005 Pontiac GTO LS2 M6 slower
2006 Honda Civic I-VTAC slowest

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#2565817 - 03/12/12 10:29 PM Re: Cleaning engine bay [Re: maz3]
ryanschillinger Offline


Registered: 12/13/10
Posts: 64
Loc: california
Only time I've ever had an issue was on an older corolla, some water snuck down past the spark plug wire boot and was causing a misfire on that cylinder since the spark didn't make it to the plug. Quick shot of dust off, and a little wd40 fixed it.
Every couple months I clean under the hood of my Nissan truck. I spray it down with degreaser pretty good, wipe the dirty parts with a cotton towel, and rinse with garden hose on low pressure. I don't use a pressure washer. I recently bought an air compressor, so last time I used it to blow out all the water from electrical connections and the nooks and crannies, it really helped out.
Follow with armor all or whatever tire shine you like that doesn't contain teflon (MAS doesn't like that)... That's about it. I always get compliments on my engine bay. If you keep it clean, it's easy. The hard part is if it gets really dirty.

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#2570051 - 03/16/12 07:52 PM Re: Cleaning engine bay [Re: maz3]
heathenbrewing Offline


Registered: 12/18/06
Posts: 456
Loc: CA
Modern cars are quite water resistant under the hood. They will not be harmed by low pressure water. That said, I cover only my alt., battery and air intake with plastic bags. My method works well for lightly soiled compartments - cant comment on heavy grease/dirt.

I only clean a cold engine and use diluted Dawn dishwashing detergent (it will strip wax, so be careful that you dont get it on the exterior paint). I have a hose attachment that has a refillable canister and 8 spray settings. I fill up the canister half way with Dawn and select the 'mist' setting because it allows the product to cling to the parts. Let it sit for 1 min., then rinse. Follow up with a microfiber cloth on all visible ares and Im done. Takes me 15 min. I do this quarterly-ish.

Car is six years old. Excuse the close up pics as they were a tutorial for another forum, but a picture is worth a thousand....






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#2786939 - 10/29/12 04:13 AM Re: Cleaning engine bay [Re: doitmyself]
buster Offline


Registered: 11/16/02
Posts: 29196
Loc: NJ
Originally Posted By: doitmyself
Here's a follow up reply from Simple Green. I asked about using their cleaners for grounds care/ag. equipment and vehicle engine areas that have aluminum, plastic, and rubber parts.

"Simple Green Pro HD is near identical in formulation to the Extreme Simple Green Aviation Cleaner – the only difference being that there is an added colorant to the Pro HD. Pro HD will be a suitable and more readily available product for you to use in your cleaning applications.

Both formulations are safe for paint, although they will remove any oxidized paint which, while beneficial, may cause a surface to look uneven."


I'm going to try the SG Pro HD.
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2014 Mazda 3 S GT AT - OE oil
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#2787104 - 10/29/12 10:11 AM Re: Cleaning engine bay [Re: maz3]
aquariuscsm Offline


Registered: 12/30/06
Posts: 9900
Loc: South Texas,USA
Here`s my 16 year old engine. My technique:

Wash entire engine bay with water (sprayer attached). With a soft brush,I use a bucket of carwash soap and clean the entire thing. I dry it off really well. I then spray Extra Moisturizing Pledge on everything. Then finally,I use shop towels to wipe the sprayed Pledge off. Pledge keeps dust and dirt from accumulating,and makes the next cleaning REALLY easy! I just spray with water,then "re-Pledge",and wipe off. MUCH MUCH better than using Armor All,CD-II,etc,as I get no dusty/dirty buildup. I learned the Pledge detailing trick on a Harley forum.




Edited by aquariuscsm (10/29/12 10:12 AM)
_________________________
1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
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#2787109 - 10/29/12 10:14 AM Re: Cleaning engine bay [Re: maz3]
demarpaint Offline


Registered: 07/03/05
Posts: 21313
Loc: NY
^^ Nice job! ^^ How often do you do that?
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#2787127 - 10/29/12 10:45 AM Re: Cleaning engine bay [Re: demarpaint]
aquariuscsm Offline


Registered: 12/30/06
Posts: 9900
Loc: South Texas,USA
Originally Posted By: demarpaint
^^ Nice job! ^^ How often do you do that?


Thanks! :^) Probably once every few months or so.
_________________________
1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
Syntec 10W40/Fram Ultra
Amsoil MTG(tranny)
Amsoil 80W90 GL5(rear diff)
Mobil 1 ATF
Redline Water Wetter

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#2787248 - 10/29/12 01:14 PM Re: Cleaning engine bay [Re: maz3]
boxcartommie22 Offline


Registered: 01/03/03
Posts: 2997
Loc: moutain country
i wash my engines every other month
_________________________
2001 Lincoln Conti,RL,K&N,SS Filter,Lubegard,Archoil
2007 Grand Marquis,RL,K&N,SS Filter,Lubegard,Archoil
2010 Raptor,RL,SS Filter,Lubegard,Archoil

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#2787254 - 10/29/12 01:25 PM Re: Cleaning engine bay [Re: maz3]
gfh77665 Offline


Registered: 09/01/08
Posts: 2314
Loc: Southeast Texas
Isn't it dangerous to wash a warm engine? Couldn't this crack a block?

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#2787321 - 10/29/12 03:05 PM Re: Cleaning engine bay [Re: aquariuscsm]
buster Offline


Registered: 11/16/02
Posts: 29196
Loc: NJ
Originally Posted By: aquariuscsm
Originally Posted By: demarpaint
^^ Nice job! ^^ How often do you do that?


Thanks! :^) Probably once every few months or so.


Thanks! Nice job, I may consider that.

Is extra moisturizing pledge ok to use on rubber/plastics and does it protect it?
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2014 Mazda 3 S GT AT - OE oil
2003 Forester XS 5spd - M1 0w40

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#2787338 - 10/29/12 03:21 PM Re: Cleaning engine bay [Re: maz3]
aquariuscsm Offline


Registered: 12/30/06
Posts: 9900
Loc: South Texas,USA
Absolutely! I feel its much better on rubbers/plastics than armorall type products. It wont dry rot them llike armor all will. I also use pledge on my tires' sidewalls. Much better than protectants.
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1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
Syntec 10W40/Fram Ultra
Amsoil MTG(tranny)
Amsoil 80W90 GL5(rear diff)
Mobil 1 ATF
Redline Water Wetter

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#2787579 - 10/29/12 07:11 PM Re: Cleaning engine bay [Re: aquariuscsm]
gary031 Offline


Registered: 09/03/12
Posts: 124
Loc: People's Republic of Californi...
Originally Posted By: aquariuscsm
It wont dry rot them llike armor all will.

Actually, armor all is now pretty much all water based, the issues people had with it damaging vinyl, rubber, plastic etc back in the day are pretty much over. Even though I don't use armor all, I wouldn't worry about it doing any damage to anything.
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1978 GMC Caballero
09 Tundra
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#2787649 - 10/29/12 08:24 PM Re: Cleaning engine bay [Re: maz3]
mcshooter Offline


Registered: 01/28/07
Posts: 277
Loc: ohio
the 4 guys i know at our local cruisein use armor all tire foam on there engine compartments, they said its on the challenger forumn. there challengers look fantastic under the hood. they say they spray the entire underhood with it and let it sit, no wiping and it cleans and shines all parts after drying.


Edited by mcshooter (10/29/12 08:25 PM)

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#2787770 - 10/29/12 11:45 PM Re: Cleaning engine bay [Re: aquariuscsm]
buster Offline


Registered: 11/16/02
Posts: 29196
Loc: NJ
Originally Posted By: aquariuscsm
Absolutely! I feel its much better on rubbers/plastics than armorall type products. It wont dry rot them llike armor all will. I also use pledge on my tires' sidewalls. Much better than protectants.


http://www.pledge.com/en-US/Products/Pages/specialty-surfaces.aspx

Have you tried the multi surface pledge?
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2014 Mazda 3 S GT AT - OE oil
2003 Forester XS 5spd - M1 0w40

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#2788634 - 10/31/12 02:00 AM Re: Cleaning engine bay [Re: maz3]
Chris B. Offline


Registered: 03/16/03
Posts: 2898
Loc: Colorado
How long does the Pledge last for those of you using it? Here is a couple engine I detailed using 303:



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#2788635 - 10/31/12 02:01 AM Re: Cleaning engine bay [Re: maz3]
Chris B. Offline


Registered: 03/16/03
Posts: 2898
Loc: Colorado
Double tap!


Edited by Chris B. (10/31/12 02:02 AM)

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#2788699 - 10/31/12 07:15 AM Re: Cleaning engine bay [Re: maz3]
grampi Offline


Registered: 10/08/06
Posts: 3598
Loc: OH
I've always used Castrol Super Clean...you've gotta make sure the engine is stone cold before you spray it on though, then just hose it off...it's always worked well for me...

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#2788850 - 10/31/12 10:54 AM Re: Cleaning engine bay [Re: grampi]
HerrStig Offline


Registered: 08/24/11
Posts: 2999
Loc: Boston, MA
Originally Posted By: grampi
I've always used Castrol Super Clean...you've gotta make sure the engine is stone cold before you spray it on though, then just hose it off...it's always worked well for me...
Castrol sold off the Super Clean business but you can still get the producd, without the Castrol name, at Wallyworld. Still in the purple jug. I use it on cold engines. It's actually FDA rated for food service use.

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#2789155 - 10/31/12 03:24 PM Re: Cleaning engine bay [Re: mcshooter]
KrisZ Offline


Registered: 12/23/06
Posts: 4267
Loc: Toronto, Canada
Originally Posted By: mcshooter
the 4 guys i know at our local cruisein use armor all tire foam on there engine compartments, they said its on the challenger forumn. there challengers look fantastic under the hood. they say they spray the entire underhood with it and let it sit, no wiping and it cleans and shines all parts after drying.


That's what I use and it seems to work very well with little effort involved. Also it doesn't seem to attract dirt, as a lot of internet people claim. I clean my engine bay about once a year and for the most part there is not much to clean there. Of course I'm not looking for a brand new and pristine look, just a fairly clean engine bay with no oil stains. For the anal ones, Im sure my engine bay looks filthy. LOL

But this Pledge method seems worth a shot as well.
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2006 Mazda3 2.0 - 190,000 Km
2003 Ford Focus ZX5 2.0 Zetec - 160,000Km
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#2789157 - 10/31/12 03:25 PM Re: Cleaning engine bay [Re: maz3]
buster Offline


Registered: 11/16/02
Posts: 29196
Loc: NJ
Pledge is really not recommended for use as an automotive detail product. Has very little protectant in it.

I'm going to use sonus motorkote because it's a wax based product and lasts longer than any of the others mentioned. fyi.
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2014 Mazda 3 S GT AT - OE oil
2003 Forester XS 5spd - M1 0w40

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#2789644 - 11/01/12 01:06 AM Re: Cleaning engine bay [Re: maz3]
Chris B. Offline


Registered: 03/16/03
Posts: 2898
Loc: Colorado
How about Vinylex under the hood? I may try it next.

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#2789862 - 11/01/12 10:13 AM Re: Cleaning engine bay [Re: Chris B.]
surfstar Online   content


Registered: 09/16/04
Posts: 4386
Loc: Santa Barbara, CA
The used Civic I bought a couple months ago would make you all cringe! I never cleaned the engine in my past cars, but this one is bad enough that I need to just to work on it. Amazingly it somehow managed to have the fuel filler door/area covered in grime/road tar. I have no idea where the previous owner drove/stored the car to do this, but it took all of 5 mins to clean, so they must not have worried much about appearance and maintenance.
I'm hesistant to bust out a hose, and would rather spray and wipe - but you guys have some great results!

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#2790579 - 11/02/12 03:00 AM Re: Cleaning engine bay [Re: maz3]
Shannow Offline


Registered: 12/12/02
Posts: 26796
Loc: a prison island
Back in the day, I used to use diesel fuel, spray the engine down with it, then hose it off.

Worked well, looked good.

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