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Thicker Oil for Timing Chain Rattle #4650120
01/29/18 01:28 PM
01/29/18 01:28 PM
Joined: Feb 2008
Posts: 683
Atlanta, GA
RoGuE Offline OP
RoGuE  Offline OP
Joined: Feb 2008
Posts: 683
Atlanta, GA
My sisters 2005 Explorer 4.0 V6 has that terrible chain rattle (with only 30k miles on it). It used to only be audible on a cold startup, but now you can hear it all the time so who knows how much longer this thing has. It's come up on a year since it's last oil change using 5w-30 Pennzoil Platinum, probably less than 3k miles (lots of short trips). Would it be beneficial to use a thicker oil to try and quiet it down?


2007 Chevrolet Malibu
2.2L Ecotec
Re: Thicker Oil for Timing Chain Rattle [Re: RoGuE] #4650123
01/29/18 01:31 PM
01/29/18 01:31 PM
Joined: Jun 2003
Posts: 17,348
Deplorable in apple valley, ca
Chris142 Offline
Chris142  Offline
Joined: Jun 2003
Posts: 17,348
Deplorable in apple valley, ca
No.


02 Wrangler durablend 10w40
87 F250 traveler 15w40
04 Tahoe super-s 10w30
Z400 castrol T 10w40
Can am maveric edge 5w40
57 case tractor 15w40
Re: Thicker Oil for Timing Chain Rattle [Re: RoGuE] #4650125
01/29/18 01:31 PM
01/29/18 01:31 PM
Joined: Dec 2016
Posts: 189
Wisconsin
emmett442 Offline
emmett442  Offline
Joined: Dec 2016
Posts: 189
Wisconsin
If it's as bad as you say, the chain guides are already chunked/broken. Thicker oil won't help a thing.

You'll need to replace the guides.


2011 Ford Crown Victoria LX 4.6L V8 auto
2009 Chevrolet Malibu LT 2.4L I4 auto
1974 Dodge D200 360 V8 4 speed manual
Re: Thicker Oil for Timing Chain Rattle [Re: RoGuE] #4650148
01/29/18 01:46 PM
01/29/18 01:46 PM
Joined: Oct 2004
Posts: 7,974
Cincinnati, OH, USA
bullwinkle Offline
bullwinkle  Offline
Joined: Oct 2004
Posts: 7,974
Cincinnati, OH, USA
Magnatec 5W20 helped somewhat on my 4.6 2V, but it generally only rattled when it was cold. If it rattles all the time, it may already be too late.


06 Ram 3500 CTD 4X4(FG Venturi), 93 GMC C3500 6.2, 89 F-450 7.3, 98 XJ 4.0(XG8A), 05 xB(XG3600), 18 Transit 3.7, 03 Merc Grand Marquis 4.6 2V(XG2)
Re: Thicker Oil for Timing Chain Rattle [Re: RoGuE] #4650151
01/29/18 01:48 PM
01/29/18 01:48 PM
Joined: Oct 2014
Posts: 1,221
NoVA
Jimzz Offline
Jimzz  Offline
Joined: Oct 2014
Posts: 1,221
NoVA
You can try some High Milage 10w30.

But better to pull the motor and replace the timing components, front and back. If they break it takes the motor with it.


yup
Re: Thicker Oil for Timing Chain Rattle [Re: Jimzz] #4650170
01/29/18 02:02 PM
01/29/18 02:02 PM
Joined: Feb 2008
Posts: 683
Atlanta, GA
RoGuE Offline OP
RoGuE  Offline OP
Joined: Feb 2008
Posts: 683
Atlanta, GA
I don't have the tools, time, or knowledge to do it myself and I priced it around and it is an extremely expensive job, nearly as much as a whole motor replacement. I let her know what could happen but she just can't afford it now. This car has been plagued with issues. Weird electrical issues, HVAC blender issues, computer says change oil all the time even after resetting it, TPMS issues, abysmal fuel economy (our Suburban gets better gas mileage), peeling paint even though it is almost always garaged.


2007 Chevrolet Malibu
2.2L Ecotec
Re: Thicker Oil for Timing Chain Rattle [Re: RoGuE] #4650190
01/29/18 02:12 PM
01/29/18 02:12 PM
Joined: Apr 2017
Posts: 1,480
Ontario, Canada
mightymousetech Offline
mightymousetech  Offline
Joined: Apr 2017
Posts: 1,480
Ontario, Canada
Originally Posted By: RoGuE
abysmal fuel economy (our Suburban gets better gas mileage)


Well, with broken chain guides and a worn chain throwing timing out of spec, no wonder.

No oil is going to fix the engine.


Mighty Mouse Tech
BMW Tech, Former Acura Tech
2010 Civic Si Castrol 0W40, Redline MTL
2013 BMW 135i M Sport Edition Castrol 0W40, Redline MTL
Re: Thicker Oil for Timing Chain Rattle [Re: RoGuE] #4650192
01/29/18 02:12 PM
01/29/18 02:12 PM
Joined: Oct 2017
Posts: 437
Vermont
littleant Offline
littleant  Offline
Joined: Oct 2017
Posts: 437
Vermont
30k is pretty low milage. There are 2 chain tensioner's (oil pressure fed) they could be plugged. I would change both of them before I did anything with the chains. But first you should drop the oil pan to see if pieces of the chain guides are in the pan. If they are then installing new tensioner's would not help. There are plenty videos online on changing the tensioner's. The engine would have to come out to change all the timing chains. I would not go to a heavier oil. Also that 4.0 is an interference engine and if the chains go when driving bent valves will more then likely occur.


I can't prevent getting old but I REFUSE to grow up.
2010 Mountaineer 4.0
2002 Jeep Wrangler TJ 4.0
Re: Thicker Oil for Timing Chain Rattle [Re: RoGuE] #4650195
01/29/18 02:17 PM
01/29/18 02:17 PM
Joined: Mar 2017
Posts: 5,433
Soviet State of Washington
PimTac Online content
PimTac  Online Content
Joined: Mar 2017
Posts: 5,433
Soviet State of Washington
Originally Posted By: RoGuE
I don't have the tools, time, or knowledge to do it myself and I priced it around and it is an extremely expensive job, nearly as much as a whole motor replacement. I let her know what could happen but she just can't afford it now. This car has been plagued with issues. Weird electrical issues, HVAC blender issues, computer says change oil all the time even after resetting it, TPMS issues, abysmal fuel economy (our Suburban gets better gas mileage), peeling paint even though it is almost always garaged.



It sounds like she is on borrowed time. If she cannot afford the fix what will she do when the timing chain or the guides decides to go?


2017 Mazda CX-5 Grand Touring

Valvoline Advanced Synthetic 0w20
Mobil 1 M108A EP filter

Re: Thicker Oil for Timing Chain Rattle [Re: RoGuE] #4650197
01/29/18 02:19 PM
01/29/18 02:19 PM
Joined: May 2012
Posts: 953
Rio Rancho, NM
Pajero Offline
Pajero  Offline
Joined: May 2012
Posts: 953
Rio Rancho, NM
Sorry to hear that. She may want to consider trading it in? But, everything is about $$$$$. Only a matter of time.

Good luck!





Respectfully,

Pajero!


Always remember "Planned obsolescence."

1994 Montero SR 3.5 DOHC, 133,xxx
Fram Ultra/ Snorkel with Pre-filter
K-9-Co-pilot
Re: Thicker Oil for Timing Chain Rattle [Re: RoGuE] #4650201
01/29/18 02:25 PM
01/29/18 02:25 PM
Joined: Mar 2017
Posts: 88
OK, USA
bradtech Offline
bradtech  Offline
Joined: Mar 2017
Posts: 88
OK, USA
Might be a bad ground somewhere(electrical issues).


Originally Posted By: RoGuE
I don't have the tools, time, or knowledge to do it myself and I priced it around and it is an extremely expensive job, nearly as much as a whole motor replacement. I let her know what could happen but she just can't afford it now. This car has been plagued with issues. Weird electrical issues, HVAC blender issues, computer says change oil all the time even after resetting it, TPMS issues, abysmal fuel economy (our Suburban gets better gas mileage), peeling paint even though it is almost always garaged.


17 Chevrolet Malibu 3k 5w30 AC Delco Full Syn
08 Hyundai Santa Fe 78k 5w20 GTX HM OEM Filter
93 Chevy S10 203k 10w30 GTX HM ACDELCO PF52E Filter
Re: Thicker Oil for Timing Chain Rattle [Re: Pajero] #4650213
01/29/18 02:29 PM
01/29/18 02:29 PM
Joined: Feb 2008
Posts: 683
Atlanta, GA
RoGuE Offline OP
RoGuE  Offline OP
Joined: Feb 2008
Posts: 683
Atlanta, GA
Originally Posted By: littleant
30k is pretty low milage. There are 2 chain tensioner's (oil pressure fed) they could be plugged. I would change both of them before I did anything with the chains. But first you should drop the oil pan to see if pieces of the chain guides are in the pan. If they are then installing new tensioner's would not help. There are plenty videos online on changing the tensioner's. The engine would have to come out to change all the timing chains. I would not go to a heavier oil. Also that 4.0 is an interference engine and if the chains go when driving bent valves will more then likely occur.


Is dropping the absolutely necessary or could there be any chunks that would come out the bolt hole?
Originally Posted By: PimTac
Originally Posted By: RoGuE
I don't have the tools, time, or knowledge to do it myself and I priced it around and it is an extremely expensive job, nearly as much as a whole motor replacement. I let her know what could happen but she just can't afford it now. This car has been plagued with issues. Weird electrical issues, HVAC blender issues, computer says change oil all the time even after resetting it, TPMS issues, abysmal fuel economy (our Suburban gets better gas mileage), peeling paint even though it is almost always garaged.



It sounds like she is on borrowed time. If she cannot afford the fix what will she do when the timing chain or the guides decides to go?


That's a good question she would have to answer if/when it happens. Probably won't be another Ford.



Originally Posted By: Pajero
Sorry to hear that. She may want to consider trading it in? But, everything is about $$$$$. Only a matter of time.

Good luck!



Respectfully,

Pajero!


Agreed, money is everything. Trade-in could be an option but with maybe a $5k-6k valuation would it be worth it? Who knows, maybe this will keep running for another 10 years rattling away.


2007 Chevrolet Malibu
2.2L Ecotec
Re: Thicker Oil for Timing Chain Rattle [Re: emmett442] #4650265
01/29/18 03:16 PM
01/29/18 03:16 PM
Joined: Dec 2002
Posts: 4,153
The Garden State
Whimsey Offline
Whimsey  Offline
Joined: Dec 2002
Posts: 4,153
The Garden State
Originally Posted By: emmett442
If it's as bad as you say, the chain guides are already chunked/broken. Thicker oil won't help a thing.

You'll need to replace the guides.


++++ We had a 2002 Explorer with the same condition starting at 37,000 miles and the UOA showed huge iron level in the oil along with the tell tale chain rattling sound at around ~2200 rpm, then it got worse. At that time the repair cost was very expensive and the replacement parts were the exact same junky parts that caused the problem initially. Traded it in for a new 2005 Explorer with the 4.6 V-8 which we still have with over 194,000 miles grin.

Whimsey

Re: Thicker Oil for Timing Chain Rattle [Re: RoGuE] #4650279
01/29/18 03:28 PM
01/29/18 03:28 PM
Joined: Mar 2004
Posts: 20,758
Upstate NY
Donald Offline
Donald  Offline
Joined: Mar 2004
Posts: 20,758
Upstate NY
Use proper oil. Fix chain. Tensioners?


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: Thicker Oil for Timing Chain Rattle [Re: RoGuE] #4650301
01/29/18 03:56 PM
01/29/18 03:56 PM
Joined: Oct 2017
Posts: 437
Vermont
littleant Offline
littleant  Offline
Joined: Oct 2017
Posts: 437
Vermont
Rogue the pieces are most likely larger and would not come out of the drain. The pan should not be that hard to do. At this point I would not drive the vehicle. A little investigation can go a long way. Remember a vehicle with a blown engine is worth a heck of a lot less then a vehicle with a noisy engine. There a people out there (private sale) that can do the repairs for 3-400 dollars. A nice summer project for them.


I can't prevent getting old but I REFUSE to grow up.
2010 Mountaineer 4.0
2002 Jeep Wrangler TJ 4.0
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