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#4751803 - 05/09/18 08:17 AM 2008 Chevy 5.3 V8 Oil Q?
BlueOvalFitter Offline


Registered: 02/28/03
Posts: 6003
Loc: Cajun Country, La.
2008 Chevy Silverado LTZ/Z71 1500 Crew Cab, 5.3 V8, 4X4, 170K Miles
This is my friends truck. He helps my cousin and I do the charity OCI's. He drives this truck to work and back, 208 miles round trip, 5 days a week. He bought it used with 150K miles on it. The front end was totaled and he bought it from a State Farm insurance auction. He is an excellent paint and body tech. and rebuilt the whole front end, painted it, and had it back on the road in less than 3 months. The truck is beautiful and looks as if it were never wrecked.
Just recently the engine started making a ticking sound from start up to operating temperature. He and I both know it's a lifter, but he don't want to go into the engine JUST YET. I am trying to help him figure this out without having to start pulling the valve covers, etc.
What I was wanting to do was start with the oil and filter. I have 6 qts. of Castrol 0W40 oil that I was going to use on my next OCI, but was going to ask here if this oil, along with a 32 oz. bottle of MMO, would be a good starting point. In the past, I have used all kinds of weights of oil along with MMO to fix this kind of problem with these engines. I think there's a little debris in one of the lifters and just want to know if the Castrol 0W40 oil would be a good candidate in this engine, even though it's spec'd 5W30? Opinions please? shrug

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#4751807 - 05/09/18 08:23 AM Re: 2008 Chevy 5.3 V8 Oil Q? [Re: BlueOvalFitter]
Astro14 Offline


Registered: 10/10/10
Posts: 8659
Loc: Virginia Beach
You certain that itís a lifter not a manifold leak? Ticking until warm sounds more like a manifold leak.
_________________________
32 Packard 15W40
02 Volvo V70 T5 0W40 M1
02 Volvo V70 XC 0W40 Edge
05 MB S600 0W40 M1
16 Tundra 1794 5W30 Valvoline

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#4751808 - 05/09/18 08:24 AM Re: 2008 Chevy 5.3 V8 Oil Q? [Re: BlueOvalFitter]
WyrTwister Offline


Registered: 01/13/13
Posts: 1692
Loc: Texas
I read , in general , synthetic oil cleans better than dino oil . Based on that , I personally would use full synthetic ( what ever that means ) . Maype the Penzoil made from natural gas ?

I know nothing about MMO .
_________________________
Wyr
God bless

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#4751811 - 05/09/18 08:29 AM Re: 2008 Chevy 5.3 V8 Oil Q? [Re: BlueOvalFitter]
tig1 Offline


Registered: 01/03/09
Posts: 13758
Loc: Illinois
If the engine is in good shape use M1 5-30 or 5-30EP. Run 10-12K OCIs.
_________________________
2007 Ford Fusion 230,000 miles
M1 0-20 EP
2017 Ford Fusion 53K
M1 0-20 EP
10,000 mile OCIs on both engines
M1 ATF and MC LV
M1 10-30 in all OPE
MC filters


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#4751813 - 05/09/18 08:30 AM Re: 2008 Chevy 5.3 V8 Oil Q? [Re: BlueOvalFitter]
barkingspider Offline


Registered: 12/22/13
Posts: 2077
Loc: socal
I recommend 5w30 w ac delco oil filter (classic or ďeĒ) and see if that help. I think oil flow will help w the tick. Personally, I would do a 5 min idle flush on next OCI, but many people here donít .
_________________________
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#4751817 - 05/09/18 08:41 AM Re: 2008 Chevy 5.3 V8 Oil Q? [Re: BlueOvalFitter]
JC1 Offline


Registered: 11/29/08
Posts: 3106
Loc: Oshawa, Ontario Canada
BOF,

Use that 0w-40 without the MMO. What filter are you going to use?
_________________________
2015 Grand Caravan SXT Plus 5w-20 PPPP/Fram Ultra Filter
1997 Honda Civic CX 5w-30 Shell Conventional/Fram Ultra Filter

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#4751833 - 05/09/18 08:54 AM Re: 2008 Chevy 5.3 V8 Oil Q? [Re: JC1]
BlueOvalFitter Offline


Registered: 02/28/03
Posts: 6003
Loc: Cajun Country, La.
Originally Posted By: JC1
BOF,

Use that 0w-40 without the MMO. What filter are you going to use?

FRAM ULTRA.
He already has 4 of them on the shelf.
Astro14, it's a lifter. Been there, done this MEGA times.
The ONLY reason I'm asking about it on the forum is I want knowledgeable opinions on the use of the Castrol 0W40 oil. In the past, I have used A LOT of different brands of spec'd 5W30 oils with MMO to cure the problem.
What about PYB 5W30, with the MMO and/or GUNK engine flush for 20 miles? Either/or GUNK/MMO, one of these with a suggested oil by someone here, or myself, or friend, will clear/clean the lifter.
Thanks guys, for your suggestions on the oil. I'm still listening. smile

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#4751836 - 05/09/18 09:01 AM Re: 2008 Chevy 5.3 V8 Oil Q? [Re: BlueOvalFitter]
dave1251 Offline


Registered: 07/15/05
Posts: 8709
Loc: Maricopa, AZ
You can try MMO the last 500-1000 miles. I would prefer not to use GUNK. Gunk will work but a shock treatment could clog a oil passage.
_________________________
make the inside of your engine oil cap white.
don't use.

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#4751841 - 05/09/18 09:09 AM Re: 2008 Chevy 5.3 V8 Oil Q? [Re: BlueOvalFitter]
Samrsnow Offline


Registered: 02/22/17
Posts: 67
Loc: Lafayette, Louisiana
PYB,Chevron Supreme, maybe Rotella T4 10w30 plus MMO will work well. I have no experience with Castrol 0w40.

P.S. mais, you from Lafayette?? grin
_________________________
1987 BMW e28 535is - mystery mileage (300,000+) 4 qts Pennzoil 20W50, 2 qts PP HM 10w30, Champ p828.

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#4751844 - 05/09/18 09:11 AM Re: 2008 Chevy 5.3 V8 Oil Q? [Re: BlueOvalFitter]
Nitronoise Offline


Registered: 03/24/10
Posts: 490
Loc: Chicago Suburbs
If your looking to do a clean up maybe some HDEO like Rotella T-6 great detergent add pack and it cleans up truck engines it will work for your 5.3 L
_________________________
07 Ford Freestyle 135K
04 Hyundai Sonata 280K
03 Hyundai Santa Fe 165K
02 Ford Tarus 98K
00 Buick Regal SC 135K
95 Goldwing 28K


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#4751884 - 05/09/18 10:04 AM Re: 2008 Chevy 5.3 V8 Oil Q? [Re: BlueOvalFitter]
jhs914 Offline


Registered: 06/04/05
Posts: 180
Loc: Milton, FL
I am in almost the same situation, changing the oil for a friend with a 5.3 Sierra with over 200,000 miles. He has the same lifter tick. I used a 5 qt jug of Castrol Edge 10W-30 and a quart of 15W-40 to add the 6th quart and his truck was immediately quieter. I think 0W-40 would do the same for you. I'd leave out the MMO.

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#4751899 - 05/09/18 10:21 AM Re: 2008 Chevy 5.3 V8 Oil Q? [Re: Astro14]
WiskyBadger Offline


Registered: 01/14/13
Posts: 1664
Loc: Wisconsin
Originally Posted By: Astro14
You certain that itís a lifter not a manifold leak? Ticking until warm sounds more like a manifold leak.
I would be willing to bet itís a manifold bolt broken, the 08 I had did it. I ran all kinds of 5w30s in mine. It seemed to be the quietest on Formula Shell and Quaker State. One thing I would watch for is oil burning because the earlier 4 cyl deactivation sucked. Mine burned a lot of oil with it, didnít matter brand or weight. I bought a programmer to turn off the 4 cyl deactivation and it burnt barely any oil running 8 cylinders full time. YMMV


Edited by ChevyBadger (05/09/18 10:26 AM)
_________________________
14 Buick Verano ďBlancheĒ 61k Castrol Edge & Delco filter
01 Ford Ranger ďRickĒ 165k MS5K & Fram OCOD
78 Chevy Stepside
11 Chevy Traverse 114k Carquest 5w30 and Carquest filter

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#4751908 - 05/09/18 10:39 AM Re: 2008 Chevy 5.3 V8 Oil Q? [Re: WiskyBadger]
BlueOvalFitter Offline


Registered: 02/28/03
Posts: 6003
Loc: Cajun Country, La.
Originally Posted By: ChevyBadger
Originally Posted By: Astro14
You certain that itís a lifter not a manifold leak? Ticking until warm sounds more like a manifold leak.
I would be willing to bet itís a manifold bolt broken, the 08 I had did it. I ran all kinds of 5w30s in mine. It seemed to be the quietest on Formula Shell and Quaker State.

IT'S NOT A BROKEN/LEAKING EXHAUST MANIFOLD AND/OR BOLT!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! smile
Samrsnow, you're a genius! Why didn't I think about ROTELLA? That's what we're going to use, with 32 oz. of MMO, and a FU filter.
Lafayette, hein? Je suis a la paroisse d'Avoyelles, presque a cote de chez vous. Je lisais dans les nouvelles ce matin sur l'etat de fermeture de LAFEYETTE GENERAL. Ca va faire BEAUCOUP de gens qui travaillent.
Que diriez-vous de RAGIN CAJUNS? Ils ont certainement le numero de LSU.
Comment vous etes sur les langoustes la-bas? Ici, 1,75 $ en direct, 2,75 $ bouilli.

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#4751914 - 05/09/18 10:47 AM Re: 2008 Chevy 5.3 V8 Oil Q? [Re: WiskyBadger]
BlueOvalFitter Offline


Registered: 02/28/03
Posts: 6003
Loc: Cajun Country, La.
Originally Posted By: ChevyBadger
Originally Posted By: Astro14
You certain that itís a lifter not a manifold leak? Ticking until warm sounds more like a manifold leak.
I would be willing to bet itís a manifold bolt broken, the 08 I had did it. I ran all kinds of 5w30s in mine. It seemed to be the quietest on Formula Shell and Quaker State. One thing I would watch for is oil burning because the earlier 4 cyl deactivation sucked. Mine burned a lot of oil with it, didnít matter brand or weight. I bought a programmer to turn off the 4 cyl deactivation and it burnt barely any oil running 8 cylinders full time. YMMV

CB, isn't that ironic? He's currently running FORMULA SHELL 5W30 with a FU filter.
But, the latter info., I will inform him about it.
Thanks for the update! BTW, are you a Chevrolet tech.?

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#4751937 - 05/09/18 11:29 AM Re: 2008 Chevy 5.3 V8 Oil Q? [Re: Nitronoise]
BlueOvalFitter Offline


Registered: 02/28/03
Posts: 6003
Loc: Cajun Country, La.
Originally Posted By: Nitronoise
If your looking to do a clean up maybe some HDEO like Rotella T-6 great detergent add pack and it cleans up truck engines it will work for your 5.3 L

NN, I'm sorry I didn't see you recommended ROTELLA as well. That's why I came here to ask about the oil. No matter how well you think you can fix something that is as easy as this is, there is ALWAYS something you overlook that's so simple. NEVER think you can do EVERYTHING on your own. Somewhere down the line you WILL need help!
And, a big THANK YOU to all of the rest that contributed.
approved

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