For 1990-2009 cars only
Rattle Type Noise Coming From Under the Vehicle (Reposition Transmission Oil Cooler Lines)
| Subject: | Rattle Type Noise Coming From Under the Vehicle (Reposition Transmission Oil Cooler Lines) |
| Models: | 2004 Buick Rainier |
| 2002-2004 Chevrolet TrailBlazer, TrailBlazer EXT |
| 2002-2004 GMC Envoy, Envoy XL |
| 2002-2004 Oldsmobile Bravada |
| with 4.2L Engine (VIN S -- RPO LL8) |
Condition
Some customers may comment on a rattle type noise coming from under the vehicle.
Cause
This condition may be caused by one of the transmission oil cooler lines contacting the exhaust catalytic converter.
Correction
Raise the vehicle and carefully reposition the transmission oil cooler line(s) to provide 10 mm (0.393 in) clearance between the exhaust catalytic converter and the line. Replace the transmission oil cooler line if any damage is present.
Warranty Information
For vehicles repaired under warranty, use:
Labor Operation | Description | Labor Time |
|---|---|---|
K9503* | Reposition Transmission Oil Cooler Lines | 0.2 hr |
*This is a unique labor operation number for use only with this bulletin. This number will not be published in the Labor Time Guide.
