EI08220 - Front Axle Leak (Engineering Information)
| Subject: | EI08220 -- Front Axle Leak (Engineering Information) |
| Models: | 2008 Chevrolet TrailBlazer |
| 2008 GMC Envoy |
| Built Between September 1, 2007 thru September 30, 2007 |
| Attention: | Proceed with this bulletin ONLY if the vehicle was built between September 1-30, 2007, the customer has commented about this concern AND the EI number is listed in GMVIS. If the customer has not commented about this condition or the EI does not show in GMVIS, disregard the bulletin and proceed with diagnostics found in published Service Information (SI). THIS IS NOT A RECALL -- refer to Service Bulletin 04-00-89-053B for more detail on the use of Engineering Information bulletins. |
Condition
Important: This bulletin ONLY applies to vehicles built during the month of September, 2007. All other should disregard this bulletin and refer to SI for diagnosis/repair information.
Some customers may comment on a leak from the front of the vehicle. Diagnose the vehicle to determine the source of the leak. ONLY if the source of the leak is the front axle pinion seal, contact engineering - Robert Kleinhardt at 313-220-1392. Provide the following information:
| • | Dealer Code |
| • | Repair Order # |
| • | VIN |
| • | Dealership Parts Manager |
| • | Dealer Name |
| • | City, State |
| • | Dealership Phone Number |
| • | Dealership Fax Number |
Engineering will request the front axle assembly back for analysis using the WPC part request process. The front axle assembly should not be replaced unless directed by engineering.
Parts Information
Part Number | Description |
|---|---|
15931325 | Carrier, Front Differential (4.10 Ratio) |
15931322 | Carrier, Front Differential (3.42 Ratio) |
15931324 | Carrier, Front Differential (3.73 Ratio) |
Warranty Information
For vehicles repaired under warranty and at engineering's direction, use:
Labor Operation | Description | Labor Time |
|---|---|---|
F2142 | Differential Carrier Assembly Replacement | Use Published Labor Operation Time |
