S10/T10 Blazer 4WD V6-4.3L VIN W (1997)
Four Wheel Drive Selector Switch: Service and Repair
Transfer Case Vacuum Switch Replacement (NV231 and NV233)
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Raise and support the vehicle.
REMOVE
1. Disconnect electrical connector from the switch.
2. Remove Switch from the transfer case.
INSTALL
1. Coat the threads with thread sealant then install Switch in the transfer case.
2. Connect electrical connector to the switch.
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Lower the vehicle.
