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GM Lawsuit 5.3L oil burners #5416667 04/29/20 05:19 PM
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kstanf150 Offline OP
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Just found this posted on a GM site and was surprised to see this. I’m not a GM owner but from the people I know who do own GM products I’ve never heard of a 5.3L having oil burning issues.
Has this problem effected anyone on the forum ?

C5B5C853-ED98-484E-8C16-85394959AEB2.jpegE2146553-8549-4454-A90A-7017DAB24C89.jpegEC6B3F15-9DBE-41F8-8638-3E778755D95B.jpeg
Re: GM Lawsuit 5.3L oil burners [Re: kstanf150] #5416668 04/29/20 05:24 PM
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PowerSurge Offline
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My brother’s Sierra 5.3 burned oil but it was older than those listed.


1993 Porsche 964, 2001 Ford SVT F-150 Lightning, 2004 Chevrolet Corvette, 2018 Toyota Tundra and a few others
Re: GM Lawsuit 5.3L oil burners [Re: kstanf150] #5416674 04/29/20 05:27 PM
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hemitruck Online Content
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My 2000 silverado burned 1 at every 5 to 600 miles.

Re: GM Lawsuit 5.3L oil burners [Re: kstanf150] #5416676 04/29/20 05:33 PM
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caprice_2nv Online Content
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Most of the older ones didn't use oil but it is somewhat common on the newer AFM engines. Some of the time the issue is fixed by an updated valve cover with updated pcv.

A coworker has a 2010 with 260k miles on it, bought new. It started to burn oil about a month after their super duty broke down and they had to use the 1/2 ton to pull their skid steer which was a couple thousand pounds over its towing capacity. His son who's very hard on vehicles usually drove it.

He hasn't had any problems with the AFM at all though.

IMO it's no different than how a number of Toyota engines are affected by oil usage. It's not a problem if you keep the level up and much less likely to happen if you do regular oil changes.


84 Olds Cutlass - 350 Olds
83 Chevy Caprice - 305 Sbc
05 Silverado 1500 4wd - 4.8/4L60E
79 Honda CX500
Re: GM Lawsuit 5.3L oil burners [Re: caprice_2nv] #5416728 04/29/20 06:43 PM
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PowerSurge Offline
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Originally Posted by caprice_2nv
Most of the older ones didn't use oil but it is somewhat common on the newer AFM engines. Some of the time the issue is fixed by an updated valve cover with updated pcv.

A coworker has a 2010 with 260k miles on it, bought new. It started to burn oil about a month after their super duty broke down and they had to use the 1/2 ton to pull their skid steer which was a couple thousand pounds over its towing capacity. His son who's very hard on vehicles usually drove it.

He hasn't had any problems with the AFM at all though.

IMO it's no different than how a number of Toyota engines are affected by oil usage. It's not a problem if you keep the level up and much less likely to happen if you do regular oil changes.


Negative. The older 5.3’s that burned oil burned it because of piston slap and the bore becoming very slightly oval shaped. The GMC and Chevy dealers were basically told to lie to customers and tell them that piston slap was normal and wouldn’t cause any long term wear issues, blah, blah blah.


1993 Porsche 964, 2001 Ford SVT F-150 Lightning, 2004 Chevrolet Corvette, 2018 Toyota Tundra and a few others
Re: GM Lawsuit 5.3L oil burners [Re: PowerSurge] #5416739 04/29/20 06:55 PM
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4WD Offline
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Hmmm … my family and I have owned many 5.3L’s up to 400k while slapping

Had my last one 8 years and I have two now … oil burners = none regardless of slap or not …
New versions do not slap … very quiet
Two things I grow less and less likely to trust … lawyers and what I read here

I’ll take baby powder for million$, Alex …

Re: GM Lawsuit 5.3L oil burners [Re: kstanf150] #5416749 04/29/20 07:01 PM
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jhellwig Offline
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My guess is that it stops at 2010 due to the bankruptcy.

Had a 2011 Silverado. It burned oil on all the afm cylinders. It was an issue with highway drivers.


Sparks fly from my fingers.

1995 Chevy K2500 Suburban lt 5.7
2014 Toyota Sienna
1983 Chevy K5 350
Re: GM Lawsuit 5.3L oil burners [Re: kstanf150] #5416753 04/29/20 07:04 PM
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bullwinkle Offline
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Originally Posted by kstanf150
Just found this posted on a GM site and was surprised to see this. I’m not a GM owner but from the people I know who do own GM products I’ve never heard of a 5.3L having oil burning issues.
Has this problem effected anyone on the forum ?

Are those AFM engines? Seems somewhat unusual for a maintained non-AFM to be a big time oil burner.


06 Ram 3500 CTD 4X4(FG Venturi), 89 F-450 7.3, 98 XJ 4.0(XG8A), 05 xB(XG3600), 18 Transit 3.7 (MC), 03 Merc Grand Marquis 4.6 2V(XG2), 11 Express 3500 6.0 (Fram PH10060 for now)
Re: GM Lawsuit 5.3L oil burners [Re: bullwinkle] #5416761 04/29/20 07:13 PM
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kstanf150 Offline OP
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Originally Posted by bullwinkle
Originally Posted by kstanf150
Just found this posted on a GM site and was surprised to see this. I’m not a GM owner but from the people I know who do own GM products I’ve never heard of a 5.3L having oil burning issues.
Has this problem effected anyone on the forum ?

Are those AFM engines? Seems somewhat unusual for a maintained non-AFM to be a big time oil burner.



Sir I have no idea to be honest. Someone that’s a lot more knowledgeable than I am on GM engines needs to answers that question. Cline would be a good person to address this topic I’d think 👍

Last edited by kstanf150; 04/29/20 07:14 PM.
Re: GM Lawsuit 5.3L oil burners [Re: kstanf150] #5416766 04/29/20 07:17 PM
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GMguy84 Online Content
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[censored] my 07 would LOVE a GM crate replacement @ 200K miles

That DOD/AFM is a SERIOUS engineering flaw !!

Dave


01 Silverado 1500HD Shell RGT 5W30/XG3675

07 Suburban 1500 Mobil Super Syn 10W30/XG10060

82 Trans Am (KITT) M1 10W40HM/XG5
Re: GM Lawsuit 5.3L oil burners [Re: kstanf150] #5416770 04/29/20 07:20 PM
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kstanf150 Offline OP
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bullwinkle
From what I can find researching I’d say yes it a problem with AFM engines

Re: GM Lawsuit 5.3L oil burners [Re: PowerSurge] #5416774 04/29/20 07:22 PM
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caprice_2nv Online Content
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Originally Posted by PowerSurge
Originally Posted by caprice_2nv
Most of the older ones didn't use oil but it is somewhat common on the newer AFM engines. Some of the time the issue is fixed by an updated valve cover with updated pcv.

A coworker has a 2010 with 260k miles on it, bought new. It started to burn oil about a month after their super duty broke down and they had to use the 1/2 ton to pull their skid steer which was a couple thousand pounds over its towing capacity. His son who's very hard on vehicles usually drove it.

He hasn't had any problems with the AFM at all though.

IMO it's no different than how a number of Toyota engines are affected by oil usage. It's not a problem if you keep the level up and much less likely to happen if you do regular oil changes.


Negative. The older 5.3’s that burned oil burned it because of piston slap and the bore becoming very slightly oval shaped. The GMC and Chevy dealers were basically told to lie to customers and tell them that piston slap was normal and wouldn’t cause any long term wear issues, blah, blah blah.


I don't think so. I worked at a GM dealer around 2005 and piston slap is a known condition of a lot of these engines. Oil burning and Piston slap can be mutually exclusive. They last a long time even with piston slap.


84 Olds Cutlass - 350 Olds
83 Chevy Caprice - 305 Sbc
05 Silverado 1500 4wd - 4.8/4L60E
79 Honda CX500
Re: GM Lawsuit 5.3L oil burners [Re: kstanf150] #5416791 04/29/20 07:44 PM
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Skippy722 Offline
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Am I the only one who thinks launching a class action lawsuit on what is now a 10 year old vehicle for something that isn’t a safety issue ridiculous? Yes it sucks, but c’mon really?


2019 Ram 1500 Classic
2018 Dodge Grand Caravan GT

Slight Mopar obsession
Re: GM Lawsuit 5.3L oil burners [Re: kstanf150] #5416807 04/29/20 08:03 PM
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It is the AFM engines. Does it a lot more on the highway drivers when half the engine is shut down.

The piston slap is a non issue. My WS6 does it, my 98 Z28 did for 156,000 miles, with over 500 12.2 1/4 mile passes on a dry 100 shot of nitrous and it never used any oil. My old 02 6.0 slapped never used a drop of oil. Surprisingly the Caprice is really quiet, but I have AFM removed, it didn't use any oil either way.

The 6.0 from those years is not involved because no AFM, no oil burning issues.

Tons of 300,000 mile plus 4.8/5.3/6.0/LSx (ls1, ls2, ls3 etc) running around with piston slap.


Mike
00 Trans Am WS6 5.7 LS1
17 Silverado 3500HD 6.0
14 Caprice PPV 6.0
15 Malibu LTZ Turbo
12 Passport TT
Re: GM Lawsuit 5.3L oil burners [Re: kstanf150] #5416900 04/29/20 10:12 PM
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clinebarger Online Content
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The lawyers are fishing LOL

Oil spraying on the underside of the pistons was corrected in 2010 will a shield over AFM oil relief valve, And some of the '07-'09 AFM engines were retrofitted with a shield along with a updated diver side (PCV) valve cover.

AFM/Cylinder Deactivating engine are going to burn some oil & are more prone for the rings on active cylinders to gum up, A piston soak with GM Top Engine Cleaner works wonders for this.....Just like it did with the Northstar engines!!

The Gen V engines are using oil too, Every one I pull plugs on at 100,000+ miles have oil deposits, It's the fact they hold 8 quarts of oil that fewer notice.


2001 Chevy Camaro L92/4L80E
2006 Chevy 2500HD LBZ/Allison 1000
2010 Toyota Corolla 2ZR-FE/U341E
2000 Toyota Avalon 1MZ-FE/A541E
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