HYDRA-MATIC Front Wheel Drive 4T80-E (MH1) Left Front Axle Seal Leak, Transmission Slips in Gear (Replace Third Clutch Housing with Revised Service Part)
| Subject: | HYDRA-MATIC® Front Wheel Drive 4T80-E (MH1) Left Front Axle Seal Leak, Transmission Slips in Gear (Replace Third Clutch Housing with Revised Service Part) |
| Models: | 2001-2008 GM Passenger Cars |
| with HYDRA-MATIC® Front Wheel Drive 4T80-E Automatic Transmission (RPO - MH1) |
This bulletin is being revised to change the location of the transmission fluid leak from the right front axle to the left front axle. Please discard Corporate Bulletin Number 08-07-30-009 (Section 07 - Transmission/Transaxle).
Condition
Some customers may comment on a transmission oil leak and/or that the transmission slips in gear.
Cause
An oil leak may be caused by bushing wear in the third clutch housing, causing excessive fluid build-up at axle seal.
Correction
Important: DO NOT replace the transmission for above concerns.
Replace the third clutch housing with service P/N 8682114, which has revised bushing material to extend life and reduce left front axle seal leaks. Refer to Automatic/Transaxle - 4T80-E Transmission Off-Vehicle Repair Instructions for the replacement of the third clutch housing in SI.
Parts Information
Part Number | Description | Qty |
|---|---|---|
8682114 | Housing, Third Clutch | 1 |
Warranty Information
For vehicles repaired under warranty, use:
Labor Operation | Description | Labor Time |
|---|---|---|
K7532 | Clutch, Third - R&R or Replace | Use Published Labor Operation Time |
