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Home >> Hummer >> 2009 >> H3 Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 3.7L - Introduction >> Repair Instructions >> Crankshaft Position Sensor Replacement >> Installation Procedure
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Installation Procedure

  1. Install NEW O-ring seals to the CKP sensor.
  2. Lightly lubricate the O-ring seals with clean engine oil.
    3. Fig 1: View Of Crankshaft Position Sensor
    GM858202Courtesy of GENERAL MOTORS CORP.
  3. Install the CKP sensor into the engine block.
  4. Add sealer GM P/N 12346004 (Canadian P/N 10953480) to the CKP sensor bolt threads.
    5. CAUTION: Refer to Fastener Caution .
  5. Install the CKP sensor bolt.

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

    6. Fig 2: View Of Engine Wiring Harness
    GM1350744Courtesy of GENERAL MOTORS CORP.
  6. Connect the engine wiring harness electrical connector (3) to the CKP sensor (1).
  7. Lower the vehicle.
  8. Perform the CKP system variation learn procedure. Refer to Crankshaft Position System Variation Learn .
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