Envoy 4WD V6-4.3L VIN W (1998)
Transmission Speed Sensor: Service and Repair
NV3500 Manual Transmission
REMOVAL PROCEDURE
1. Raise the vehicle.
2. Support the vehicle with safety stands.
3. Disconnect the electrical connector from the vehicle speed sensor assembly.
4. Place a drain pan under the transmission in order to catch the oil.
5. Remove the following parts:
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The bolt
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The vehicle speed sensor
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The O-ring seal
INSTALLATION PROCEDURE
1. Coat a new O-ring seal with a thin film of transmission oil. Use Synchromesh Transmission Fluid or the equivalent.
2. Install the following parts:
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The O-ring on the vehicle speed sensor assembly