Removal Procedure
- Raise the vehicle. Refer to «Lifting and Jacking the Vehicle»(ref-188813-S15240900572005090200000) in General Information.
- Remove the fill plug and gasket.
- Place a container under the drain plug in order to catch the oil.
- Remove the drain plug and gasket. Allow the oil to drain.
Installation Procedure
- Install the drain plug and gasket. Tighten: Tighten the drain plug to 44 N.m (33 lb ft).
- Fill the transfer case with synthetic gear oil GM P/N 12378261. Refer to «Capacities - Approximate Fluid»(ref-188821-S22063397902005090200000) in General Information.
- Fill the transfer case to the bottom of the oil fill plug hole.
- Install the oil fill plug and gasket. Tighten: Tighten the oil fill plug to 44 N.m (33 lb ft).
- Lower the vehicle.
- Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(ref-188813-S15240900572005090200000) in General Information.
- Remove the propeller shaft. Refer to «Propeller Shaft Replacement»(ref-188830-S08632284852005090200000) in Propeller Shaft.
- Remove the drain plug to drain the transfer case oil.
- Remove the exhaust crossunder pipe. Refer to «Exhaust Manifold Pipe Replacement (L66)»(ref-188835-S36346828162005090200000) or «Exhaust Manifold Pipe Replacement (L61)»(ref-188835-S00143955642005090200000) in Engine Exhaust.
- Remove the vent tube clamp.
- Remove the vent tube from the transfer case.
- Remove the transfer case.
- Remove the transfer case from the transaxle.
- Install the transfer case to the transaxle.
- Install the transfer case bolts. Tighten: Tighten the bolts to 51 N.m (38 lb ft).
- Install the vent hose and the clamp to the transfer case.
- Install the exhaust crossunder pipe. Refer to «Exhaust Manifold Pipe Replacement (L66)»(ref-188835-S36346828162005090200000) or «Exhaust Manifold Pipe Replacement (L61)»(ref-188835-S00143955642005090200000) in Engine Exhaust.
- Install the propeller shaft. Refer to «Propeller Shaft Replacement»(ref-188830-S08632284852005090200000) in Propeller Shaft.
- Remove the transfer case check plug and fill the transfer case with the specified synthetic gear oil. Refer to «Transfer Case Fluid Drain and Fill»(ref-188836-S29079814042005090200000) .
- Install the check plug and gasket to the case. Tighten: Tighten the check plug to 44 N.m (33 lb ft).
- Lower the vehicle.
- Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(ref-188813-S15240900572005090200000) in General Information.
- Release the vent hose clamp from the transfer case assembly.
- Remove the vent hose from the transfer case assembly.
- Install the vent hose to the transfer case assembly.
- Install the vent hose clamp to the transfer case assembly.
- Lower the vehicle.