K 2500 Truck 4WD V6-262 4.3L (1988)
Vehicle Speed Sensor: Service and Repair
Automatic Transmission
Remove or Disconnect
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Apply the parking brake.
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Raise the vehicle and support it with suitable safety stands.
1. Harness connector (275).
2. Screw (279).
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Rotate the cover (278) to the side.
3. Speed sensor (277).
4. Seal (276).
Inspect
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All parts for wear and damage.
Install or Connect
1. New seal (276), onto the speed sensor (277). Coat the seal with a thin film of transmission oil.
2. Speed sensor (277).
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Rotate the cover (278) into place.
3. Screw (279).
Tighten
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Screw (279) to 11 N.m (8 ft. lbs.).
4. Harness connector (275). Lower the vehicle. Release the parking brake.
5. Transmission fluid if needed.
