| Subject: | Fluid Leak from Transmission Oil Cooler Lines due to Corrosion |
| Models: | 2000-2006 All Light Duty Trucks equipped with the Light Duty Automatic Transmission |
| 2000-2006 Cadillac Escalade, Escalade ESV and Escalade EXT models |
| 2000-2006 Chevrolet Avalanche, Tahoe, Silverado, Suburban, Blazer and TrailBlazer models |
| 2000-2006 GMC Jimmy, Yukon, Sierra, Denali, Sonnoma and Envoy models |
| 2004-2006 Hummer H2 SUV, H2 SUT and H3 models |
| 2000-2004 Oldsmobile Bravada |
| Note - Excludes trucks equipped with the Allison transmission (RPO M74 / MW7) |
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Condition/Concern:
Some customers may comment of an automatic transmission fluid leak(s) from under the vehicle. This may happen on trucks of higher age and/or mileage. Diagnosis would reveal fluid dampened transmission lines, most likely concentrated near areas of high
surface corrosion.
Recommendation/Instructions:
Please secure a copy of the repair order and contact Doug Daugherty of Brand Quality, phone number 586-947-9118.
Note: Trucks equipped with the Allison Transmission (RPO M74 / MW7) are not included in this PI.
Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.
