GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1335470  Size: SH
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Remove the charge air cooler outlet pipe. Refer to Charge Air Cooler Inlet Pipe and Outlet Pipe Replacement .
  3. Disconnect the crankshaft position (CKP) sensor electrical connector.

  4. Object Number: 1336119  Size: SH
  5. Remove the CKP sensor bolt .
  6. Remove the CKP sensor.
  7. If necessary, remove the CKP sensor spacer bolts.
  8. If necessary, remove the CKP sensor spacer.

Installation Procedure


    Object Number: 1336119  Size: SH
  1. If necessary, lubricate a NEW CKP spacer O-ring with clean engine oil.
  2. If necessary, install the NEW O-ring to the CKP sensor spacer.
  3. Important: The crankshaft position sensor spacers are machined with different timing positions. However, if the crankshaft position sensor spacer requires replacement, replace with a grade "C" spacer.

  4. If necessary, install the CKP sensor spacer.
  5. Notice: Refer to Fastener Notice in the Preface section.

  6. If necessary, install the CKP sensor spacer bolts.
  7. Tighten
    Tighten the bolts to 10 N·m (89 lb in).

  8. Lubricate a NEW CKP sensor O-ring with clean engine oil.
  9. Install the NEW O-ring to the CKP sensor.
  10. Install the CKP sensor.
  11. Install the CKP sensor bolt.
  12. Tighten
    Tighten the bolt to 10 N·m (89 lb in).


    Object Number: 1335470  Size: SH
  13. Connect the CKP sensor electrical connector.
  14. Install the charge air cooler outlet pipe. Refer to Charge Air Cooler Inlet Pipe and Outlet Pipe Replacement .
  15. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .