Heat stake marks Ecotec cam cover - Maintenance and Repair Forum

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Heat stake marks Ecotec cam cover
Thursday, May 15, 2014 8:52 PM
Does any one have a good visual on what these look like? I cant find a picture anywhere online, and if they aren't there its gonna be hard to recognize that.

Thanks in advance!


JLP

04 LS Sport Sedan

Re: Heat stake marks Ecotec cam cover
Friday, May 16, 2014 7:39 AM
what are you talking about? heat stakes?



Re: Heat stake marks Ecotec cam cover
Friday, May 16, 2014 7:10 PM
Subject: Excessive Oil Consumption, Blue Smoke on Acceleration (Inspect Intake Manifold and/or Cam Cover, Replace if Necessary) #05-06-01-003C - (10/17/2005)

Models: 2004-2005 Chevrolet Cavalier, Classic, Malibu

2005 Chevrolet Cobalt
2004 Oldsmobile Alero
2004-2005 Pontiac Grand Am, Sunfire
2005 Pontiac Pursuit (Canada Only)
2004-2005 Saturn L-Series, ION, VUE

with Ecotec 2.2L 4-Cylinder Engine (VINs D, F -- RPO L61)





Attention: This bulletin covers any vehicle with the Ecotec 2.2L L61 engine built during calendar year 2004.
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This bulletin is being revised to add additional warranty information. Please discard Corporate Bulletin Number 05-06-01-003B (Section 06 - Engine/Propulsion System).
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Condition

Some customers may comment on excessive oil consumption or blue smoke on acceleration. Excessive oil consumption, not due to leaks, is the use of 0.9L (1 qt) or more of engine oil within 3200 km (2,000 mi).

Cause

Incorrect sizing of the PCV orifice and/or misalignment of the oil baffle in the cam cover may allow higher than desired amounts of oil into the combustion chamber.

Correction

Important: If the following information in this bulletin does not resolve the concern, refer to Oil Consumption Diagnosis in the appropriate Service Information (SI) procedures.

Inspect the cam cover for heat stake marks and inspect the intake manifold for PCV orifice size. Replace either, as necessary, based on inspection. Follow the procedures below.

Camshaft Cover

Object NumberNNN) NNN-NNNN Size: SH
Click here for detailed picture of above imageidth=
Remove the camshaft cover and inspect for heat stake marks in the locations shown. Refer to Camshaft Cover Removal in the appropriate Service Information (SI) procedures.
Important: The oil fill tube must be replaced along with the camshaft cover for the following models:

• 2005 Chevrolet Cobalt

• 2005 Pontiac Pursuit

• 2005 Saturn ION

If the heat stake marks are not present, replace the camshaft cover with a new one.
If the heat stake marks are present, re-install the camshaft cover on the engine. Refer to Camshaft Cover Installation in the appropriate Service Information (SI) procedures.

Intake Manifold
Remove the intake manifold from the cylinder head. Refer to Intake Manifold Removal in the appropriate Service Information (SI) procedures.
Object NumberNNN) NNN-NNNN Size: SH
Click here for detailed picture of above imageidth=

Attempt to insert the chuck end of a 2.0 mm (5/64 in) drill bit into the PCV orifice where shown. The orifice is slightly below the surface.
If the chuck end of the drill bit can be inserted, replace the intake manifold with a new one.
If the chuck end of the drill bit cannot be inserted, re-install the intake manifold to the cylinder head. Refer to Intake Manifold Installation in the appropriate Service Information (SI) procedures.
If the information in this bulletin did not correct the excessive oil consumption condition, refer to Oil Consumption Diagnosis in the appropriate Service Information (



JLP

04 LS Sport Sedan
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