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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1343 (ENGINE CONTROL SYSTEM (INTRODUCTION) -- 1.8L (LNK))REPAIR INSTRUCTIONSCRANKSHAFT POSITION (CKP) SENSOR REPLACEMENTREMOVAL PROCEDURE
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Removal Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Removal Procedure
WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
    2. Fig 1: Stone Shield, Four Retainers And Two Bolts
    GM830841Courtesy of GENERAL MOTORS CORP.
  2. Remove the two bolts (3) that secure the stone shield (1).
  3. Remove the four retainers (2) and the stone shield (1).
    4. Fig 2: CKP Sensor And Hold Down Bolt
    GM181701Courtesy of GENERAL MOTORS CORP.
  4. Disconnect the CKP sensor electrical connector.
  5. Remove the one hold down bolt (2).
  6. Remove the CKP sensor (1) from the front cover of the engine block.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.