S10/T10 Blazer 4WD V6-4.3L VIN W (1997)
Transfer Case Actuator: Service and Repair
REMOVE OR DISCONNECT
1. Negative battery cable.
2. Transfer case shield.
3. Transfer case wiring harness connectors from the motor/encoder.
4. Four bolts securing the motor/encoder to the transfer case.
INSTALL OR CONNECT
1. Any gasket material remaining from the motor/encoder.
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New motor/encoder should have a new gasket attached.
2. Four bolts securing the motor/encoder to the transfer case.
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Ensure the motor/encoder aligns properly with the transfer case interior shifting components.
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Align the motor/encoder mating surface detents with the transfer case mating surface detents.
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Tighten motor/encoder bolts to 25 Nm (18 ft. lbs.).
3. Wiring harness connectors to the motor/encoder.
4. Transfer case shield.
5. Negative battery cable.
6. Perform a functional test on the electronic shift select system to test the motor/encoder.