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For 1990-2009 cars only

Transmission Oil Leaking From Transmission Vent (Replace Transmission Case Cover (Channel Plate) Gasket)

Subject:Transmission Oil Leaking From Transmission Vent (Replace Transmission Case Cover (Channel Plate) Gasket)

Models:1997-2009 GM Passenger Cars and Light Duty Trucks (including Saturn)
with Hydra-Matic 4T65-E Automatic Transmission (RPOs MN3, MN7, M15, M76)



This bulletin is being revised to add the 2008 and 2009 model years. Please discard Corporate Bulletin Number 01-07-30-032D (Section 07 - Transmission/Transaxle).


Condition

Some customers may comment on a transmission oil leak.

Cause

This condition may be caused by an improperly torqued channel plate gasket.

Correction


Object Number: 48237  Size: SH

To correct this condition, replace the case cover (channel plate) gaskets (429 and 430). Refer to Unit Repair publication in SI of the appropriate vehicle being serviced.


Object Number: 1868534  Size: MF

Visual inspection of the upper gasket (1) will reveal damage at the referenced area.

Parts Information

Part Number

Description

Qty

24206391

Gasket Kit, A/Trns Case Cvr

1

Warranty Information

For vehicles repaired under warranty, use:

Labor Operation

Description

Labor Time

K7462

Channel Plate and/or Gasket - Replace

Use Published Labor Operation Time