GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1958850  Size: SH

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

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

  3. Object Number: 1958853  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: 1958855  Size: SH
  6. Remove the camshaft bearing cap to cylinder head retaining bolts (1).
  7. Remove the camshaft bearing caps (2).

  8. Object Number: 1958856  Size: SH
  9. Remove the camshafts (1).