TrailBlazer 4WD L6-4.2L VIN S (2002)
case must be ordered through the Technical Assistance Center (TAC) at 1-877446-8227. For Canadian dealers, call 1-800-263-7740 (English)
or 1-800-263-7960 (French). Go to Transfer Case Replacement.
Transfer Case Replacement
Removal Procedure
1.
Raise the vehicle.
2.
Remove the fuel tank shield retaining bolts.
3.
Remove the fuel tank shield.
4.
Remove the rear propeller shaft.
^
Reference mark the propeller shaft to the rear axle pinion yoke.
^
Remove the bolts and the yoke retainers from the rear axle pinion yoke.
^
Disconnect the propeller shaft from the rear axle pinion yoke.
^
Slide the propeller shaft rearward in order to disconnect the propeller shaft from the transfer case.
5.
Drain the transfer case.
^
Remove the drain plug and drain fluid into a suitable container.
^
Install the drain plug. Tighten the plug to 34 Nm (25 lb ft).
6.
Remove the front propeller shaft.
^
Reference mark the propeller shaft to the front axle pinion yoke.
^
Remove the bolts and the yoke retainers from the front axle pinion yoke.
^
Disconnect the propeller shaft from the front axle pinion yoke.
^
Remove the propeller shaft from the transfer case.
7.
Remove the fuel lines from the retainer.
8.
Remove the electrical harness from the retainers.
9.
Remove the electrical connector from the speed sensors.
10.
Remove the motor/encoder electrical connector.
11.
Remove the transfer case wiring harness.
12.
Remove the vent hose.
13.
Install a transmission jack for the transfer case.
14.
Remove the transfer case mounting nuts.
15.
Remove the transfer case from the vehicle.
16.
Remove the transfer case gasket.
Installation Procedure
Important:
DO NOT use silicone sealant in place or with the transfer case gasket.
1.
Replace the transfer case gasket.
