GM Service Manual Online
For 1990-2009 cars only

    Object Number: 721578  Size: SH

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

  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 arrow points toward the front of the engine.
    • The "E" indicates the exhaust camshaft.
    • The number indicates the journal position from the front of the engine.

    Object Number: 721583  Size: SH
  3. Remove the left exhaust camshaft bearing cap bolts.
  4. Remove the left exhaust camshaft bearing caps. Store the bearing caps in a clean shop towel.

  5. Object Number: 721586  Size: SH
  6. Remove the left exhaust camshaft. Place the camshaft in a secure location.
  7. Cover the camshaft with an oil soaked towel in order to prevent corrosion.