GM Service Manual Online
For 1990-2009 cars only
  1. Remove the camshaft bearing cap bolts.

  2. Object Number: 53008  Size: SH

    Important: Bearing caps must remain with their original cylinder head and in their original location , do not mix bearing caps.

  3. Observe the markings on the bearing caps. Each bearing cap is marked in order to identify its location. The markings have the following meanings:
  4. • The arrow points toward the front of the engine.
    • The I indicates the intake camshaft.
    • The E indicates the exhaust camshaft.
    • The number indicates the journal position from the front of the engine.
  5. Remove the camshaft bearing caps. Store the bearing caps in a clean shop towel.

  6. Object Number: 53018  Size: SH
  7. Remove the camshaft. Place the camshaft in a secure location.
  8. Cover the camshaft with an oil soaked towel in order to prevent corrosion.
  9. Repeat the procedure for each camshaft.