| Subject: | Special Service Policy for S/T Utility Front Axle Service |
| Models: | 2002 Chevrolet and GMC S/T Utility Models (Trailblazer, Envoy) |
ADVANCE SERVICE INFORMATION
|
Because of essential tool availability, only CERTAIN front axle service
procedures will be ALLOWED. Available service procedures that require essential
tools include the procedures listed below. ANY INTERNAL AXLE SERVICE THAT
IS DETERMINED NECESSARY WILL REQUIRE AXLE ASSEMBLY REPLACEMENT.
Service Procedures
| • | Front Differential Drive Pinion Gear Seal |
| • | Front Differential Drive Pinion Gear Bearing Dirt Deflector |
| • | Front Differential Carrier Flange |
| • | Front Drive Axle Inner Axle Shaft Seal - Inner (Differential Carrier
Assembly) |
| • | Front Drive Axle Inner Axle Shaft Seal - Outer (Differential Carrier
Assembly) |
| • | Front Drive Axle Inner Axle Shaft Seal - Inner (Intermediate Shaft
Bearing Assembly) |
| • | Front Drive Axle Inner Axle Shaft Seal - Outer (Intermediate Shaft
Bearing Assembly) |
Special Tools Required
| • | J 33782 Pinion Seal Installer |
| • | J 45225 Axle Seal Installer (use with tool J 8092) |
J 45225 was shipped in January 2001 and J 33782 was previously
essential. The SMI classification has been changed for J 33782 for
this new application.
This special service policy will be in effect until all essential unit
repair tools for the front axle are at the dealer. The unit repair service
tools are anticipated to be shipped to the dealers in April, 2001.
