LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 2002 >> TrailBlazer 2WD L6-4.2L VIN S >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Crankshaft Position Sensor >> Service and Repair
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Crankshaft Position Sensor: Service and Repair

REMOVAL PROCEDURE




1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
2. Disconnect the crankshaft position (CKP) sensor harness connector.
3. Remove the CKP sensor retaining bolt.
4. Remove the CKP sensor from the engine block.

INSTALLATION PROCEDURE

IMPORTANT: Inspect the sensor O-ring for the following conditions:
- Any wear
- Any cracks
- Any leakage

Replace the O-ring if necessary. Lubricate the new O-ring with engine oil before installation.

NOTE: Refer to Fastener Notice in Service Precautions.




1. Install the CKP sensor into the engine block.

Tighten
Tighten the bolt to 10 N.m (89 lb in).

2. Install the CKP sensor retaining bolt.
3. Connect the CKP sensor harness connector.
4. Lower the vehicle.
5. Perform the CKP System Variation Learn Procedure. Programming and Relearning