Author Topic: 2009 Chevy oil consumption?  (Read 11790 times)

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Offline thumper115

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2009 Chevy oil consumption?
« on: August 22, 2013, 06:17:35 PM »
I have an 2009 Chevy truck that is using oil. I know it is going out the tail pipe but what is the best way to fix the problem?
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Offline 89pigeontoe

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Re: 2009 Chevy oil consumption?
« Reply #1 on: August 22, 2013, 06:29:02 PM »
Does it smoke the worst on first startup or after you get in it. If on startup more than likely valve seals if not rings or bad cylinder. Make sure pcv valve is good and keep oil changed.
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Offline Dan245

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Re: 2009 Chevy oil consumption?
« Reply #2 on: August 22, 2013, 08:14:23 PM »
what is the engine VIN code?

Offline thumper115

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Re: 2009 Chevy oil consumption?
« Reply #3 on: August 22, 2013, 09:24:36 PM »
No sign of smoking, vin is 3gcek23389gxxxxxx. Has the 5.3 ls engine have heard they have PCV problems.
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Offline fast92stang

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Re: 2009 Chevy oil consumption?
« Reply #4 on: August 22, 2013, 09:34:00 PM »
Rings? Possible shield around bypass in pan. Possibly lifters ? Is it active fuel management?
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Offline Dan245

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Re: 2009 Chevy oil consumption?
« Reply #5 on: August 22, 2013, 10:44:31 PM »
 PCV pullover or an overactive lifter can cause oil to be pulled through the PCV system even at low vehicle mileage. A correctly functioning PCV system will only leave a film of oil in the intake manifold. Inspect the intake manifold to see if there is any oil puddling in the bottom. If there is you will need to replace the left valve cover. Two new left rocker arm covers have been released for trucks and vans. Technicians should replace the left rocker arm cover with GM P/N 12570427 for 2007-2008 or GM P/N 12642655 for 2009-2011. Refer to the Parts Information below for the Camaro. This rocker arm cover has a relocated PCV drain hole that prevents oil from entering the intake manifold. Refer to Valve Rocker Arm Cover Replacement - Left Side in SI.
then do this

1. Remove the spark plugs and ensure that none of the pistons are at top dead center (TDC).
 2. Clean the pistons by putting 118-147 ml (4-5 oz) of Upper Engine and Fuel Injector Cleaner, GM P/N 88861803 (in Canada, use 88861804), in each cylinder. Allow the material to soak for at least 2.5-3.0 hours, but no more than three hours and then remove the cleaner. A suggested method of removing the cleaner is cranking the engine over. Make sure to unplug the ignition coils and fuel injector before cranking the engine over. Also make sure that the painted surfaces are covered so no damage is done.

this is from GM bulletin 10-06-01-008I If this does not work then you will need to put pistons and rings in the motor.

I have been told that if the computer is reprogrammed to do away with the active fuel management it would stop the oil consumption but it will void the warranty if it is under 100,000 miles

good luck Dan

Offline fast92stang

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Re: 2009 Chevy oil consumption?
« Reply #6 on: August 23, 2013, 10:46:48 AM »
Only REAL fix i have seen is rings, others have helped I guess. I think maybe too, that since the owners seem to think they have a oil consumption problem, they keep monitoring it and want rings before it goes out of warranty. But all of these things could help your truck thumper.
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Offline thumper115

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Re: 2009 Chevy oil consumption?
« Reply #7 on: August 24, 2013, 08:12:58 AM »
ok Thanks guys. I just know mine is not under warranty and all repairs will have to be done by myeself. I will prolly do the vavle cover first. I never see any smoke coming from the tail pipe and there is no oil left in drive way either. it is showing 13x,000 miles on it.
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Offline nova2037

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Re: 2009 Chevy oil consumption?
« Reply #8 on: August 24, 2013, 01:11:48 PM »
How much oil is it using? My understanding of GM warranty, has to use a quart in less than 1000 miles before its a problem.
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Offline thumper115

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Re: 2009 Chevy oil consumption?
« Reply #9 on: August 24, 2013, 11:29:58 PM »
2 quarts in a 1,000.
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Offline racurass

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Re: 2009 Chevy oil consumption?
« Reply #10 on: December 12, 2013, 12:21:44 PM »
 PCV pullover or an overactive lifter can cause oil to be pulled through the PCV system even at low vehicle mileage. A correctly functioning PCV system will only leave a film of oil in the intake manifold. Inspect the intake manifold to see if there is any oil puddling in the bottom. If there is you will need to replace the left valve cover. Two new left rocker arm covers have been released for trucks and vans. Technicians should replace the left rocker arm cover with GM P/N 12570427 for 2007-2008 or GM P/N 12642655 for 2009-2011. Refer to the Parts Information below for the Camaro. This rocker arm cover has a relocated PCV drain hole that prevents oil from entering the intake manifold. Refer to Valve Rocker Arm Cover Replacement - Left Side in SI.
then do this

1. Remove the spark plugs and ensure that none of the pistons are at top dead center (TDC).
 2. Clean the pistons by putting 118-147 ml (4-5 oz) of Upper Engine and Fuel Injector Cleaner, GM P/N 88861803 (in Canada, use 88861804), in each cylinder. Allow the material to soak for at least 2.5-3.0 hours, but no more than three hours and then remove the cleaner. A suggested method of removing the cleaner is cranking the engine over. Make sure to unplug the ignition coils and fuel injector before cranking the engine over. Also make sure that the painted surfaces are covered so no damage is done.

this is from GM bulletin 10-06-01-008I If this does not work then you will need to put pistons and rings in the motor.

I have been told that if the computer is reprogrammed to do away with the active fuel management it would stop the oil consumption but it will void the warranty if it is under 100,000 miles

good luck Dan

I've had the active management turned off in a couple of them and its worked great so far. my avalanche I bought with 130k on it and it used 1.5 quarts in the first 1500 miles. I had it turned off and hasn't used any between changes since and I've put 12000 miles on it since