M/T - Grinds In 3rd/4th Gear With Clutch Depressed
ENGINEERING INFORMATIONBulletin No.: 08-07-29-001D
Date: March 26, 2009
Subject:
EI08046 - Manual Transmission Grinds in Either Third or Fourth Gear When Clutch is Fully Disengaged (Replace 3rd and 4th Gear Sleeve Hub Assembly, Speed Gear Assemblies, and Shift Fork)
Models:
2008 Chevrolet Cobalt, HHR
2008 Pontiac G5
Equipped with Manual Transmission (RPO M86)
Prior to the Serial Numbers Shown Above
Supercede:
This bulletin is being revised to update service procedure and include additional service parts. Please discard Corporate Bulletin Number 08-07-29-001C (Section 07 - Transmissions)
Condition
Some customers may comment on a grinding noise in third or fourth gear when the clutch is fully disengaged.
Cause
Based on feedback provided by dealer technicians, engineering was able to determine the manual transmission grinding in 3rd or 4th gear. It is possible to correct the condition by replacing the 3rd and 4th Gear Sleeve Hub Assembly, Speed Gear Assemblies, and Shift Fork
Correction
Check the Transmission Serial Number label to determine if the transmission is built prior to the chart above. The Transmission Serial Number label is located on the back side of the transmission between the halfshafts. If the transmission is built prior to the chart above, then replace the 3rd and 4th Gear Sleeve Hub Assembly, Speed Gear Assemblies, and Shift Fork.
Parts Information
Warranty Information
For vehicles repaired under warranty, use the table above.
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