GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1958834  Size: SH

    Important: EN 46105  (2) was installed to the camshafts (1) as part of the left bank cylinder head camshaft position actuator removal procedure.

  1. Remove the EN 46105  (2) from the left bank camshafts (1).
  2. Position the camshaft lobes in a neutral position.

  3. Object Number: 1958837  Size: SH
  4. Observe the markings (1) on the bearing caps. Each bearing cap is marked in order to identify its location. The markings have the following meanings:
  5. • 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 cylinder block.

    Object Number: 1958840  Size: SH
  6. Remove the camshaft bearing cap to cylinder head retaining bolts (3).
  7. Remove the camshaft bearing caps (1 and 2).

  8. Object Number: 1958842  Size: SH
  9. Remove the camshafts (1).