Pontiac GTO 2004-2006 The Modern Goat

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Old 06-30-2015, 07:45 PM
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So today I was going around a turn and my CHECK OIL Lv light cam on. Got home to find out nothing was showing up on my dipstick.........No knocking or crazy noises. Not good....??????
Old 06-30-2015, 10:35 PM
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Yea, not good. You likely uncovered the oil pick-up.
Old 07-01-2015, 02:20 PM
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No knocking----fill it with oil and thank your lucky stars. Keep on drivin'.
Old 07-01-2015, 03:41 PM
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Originally Posted by dw456post
No knocking----fill it with oil and thank your lucky stars. Keep on drivin'.
Nope no knocking. I think that pcv baffle under the valley cover might be bad after 80k miles.
Old 07-03-2015, 08:23 AM
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There is nothing in the valley baffle to go bad.
Old 07-03-2015, 10:08 AM
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Originally Posted by dw456post
There is nothing in the valley baffle to go bad.
This is from a thread i found and it is a gm bulletin

"Higher Than Expected Oil Consumption (Replace Rings and Engine Valley Cover) #01-06-01-023A Higher Than Expected Oil Consumption (Replace Rings and Engine Valley Cover) 1999-2001 Chevrolet Camaro 1999-2002 Chevrolet Corvette 1999-2001 Pontiac Firebird with 5.7L Engine (VINs G, S -- RPOs LS1, LS6) This bulletin is being revised to add model years for the Corvette, information on the LS6 engine and parts information. Please discard Corporate Bulletin Number 01-06-01-023 (Section 6 - Engine). Condition Some owners may comment on higher than expected oil consumption. When checked, the oil consumption could be in the range of 400-600 miles per quart (700-1000 km/L). On the LS6 engine only, the technician may find oil behind the engine throttle plate and in the intake manifold. Cause The cause for this condition may be an interaction between the piston rings and the cylinder bore in vehicles that are operated at higher RPMs -- typically manual transmission vehicles driven in a manner where the engine is frequently or consistently operating at greater than 3200 RPM. On the LS6 engine only, the engine has a unique aluminum valley cover that has composite oil separating baffles and PCV plumbing incorporated. In some cases, the PCV baffle may not be properly sealed to the valley cover, causing oil to enter the PCV system. Correction On the LS6 engine only, replace the engine valley cover if oil is found behind the throttle body or in the intake manifold before replacing the piston ring. Refer to Engine Valley Cover Replacement in the Engine Mechanical - 5.7L subsection of the Corvette Service Manual. A new set of piston rings is currently available through GMSPO. The new rings are part of a complete piston ring kit. Install only the number 2 compression ring and the oil expander ring from the piston ring kit. All other rings in the piston ring kit should be discarded. The original number 1 compression ring and the oil ring rails should be re-used in their original positions on the piston. All pistons should be used in the same cylinder bore. Important Do not dress or hone the cylinder bore. Nothing should be done to change the bore finish for this condition. Changing the bore finish may aggravate the condition. Refer to the Unit Repair Manual for appropriate ring removal and replacement procedure. The number 1 compression ring and the upper and lower oil expander rails are re-used because they are already broken in for the bore that they are in. The new number 2 compression ring is made with a very sharp edge that will break in quickly. Changing only the piston rings noted, with no change in driving style, should change oil consumption to an acceptable level. Changes in driving style that reduce the amount of time spent at higher RPMs will also positively affect oil consumption. In addition to the standard size piston ring kit listed below, a 0.25 mm oversized piston ring kit is available. The oversized piston ring kit should only be used in those rare instances where the cylinder bore size has been machined larger to accommodate the 0.25 mm oversized piston rings."
Old 07-03-2015, 05:38 PM
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this is why i have my oil changed every 3 months no matter what.



i learned my lesson the hard way. good job posting that info above.


GM sent all GTO owners back in 05 or 06 i cant remember that m6s will use some oil if revved high. here you go i found it.



http://www.ls1gto.com/forums/archive.../t-152492.html


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