GM Service Manual Online
For 1990-2009 cars only

Camshaft Removal - Left Side LY7/LP1


    Object Number: 1306294  Size: SH
  1. Observe the markings on the bearing caps. Each bearing cap is marked in order to identify its location. The markings have the following meanings:
  2. • The raised feature must always be oriented toward the center of the cylinder head.
    • The I indicates the intake camshaft.
    • The E indicates the exhaust camshaft.
    • The number indicates the journal position from the front of the engine.

    Object Number: 902910  Size: SH
  3. Remove the camshaft bearing cap bolts.
  4. Remove the camshaft bearing caps.

  5. Object Number: 902909  Size: SH

    Important: Mark the camshafts upon removal to ensure installation is in the correct position.

  6. Remove the camshafts.
  7. Replace the camshaft bearing caps and bolts.

Camshaft Removal - Left Side LCS


    Object Number: 1306294  Size: SH
  1. Observe the markings on the bearing caps. Each bearing cap is marked in order to identify its location. The markings have the following meanings:
  2. • The raised feature must always be oriented toward the center of the cylinder head.
    • The I indicates the intake camshaft.
    • The E indicates the exhaust camshaft.
    • The number indicates the journal position from the front of the engine.

    Object Number: 1977893  Size: SH
  3. Remove the camshaft bearing cap bolts.
  4. Remove the camshaft bearing caps.

  5. Object Number: 1977898  Size: SH

    Important: Mark the camshafts upon removal to ensure installation is in the correct position.

  6. Remove the camshafts.
  7. Replace the camshaft bearing caps and bolts.