GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the engine front cover. Refer to Engine Front Cover Replacement .
  2. Remove the right bank secondary camshaft drive chain tensioner. Refer to Secondary Camshaft Drive Chain Tensioner Removal - Right Side .
  3. Remove the right bank secondary camshaft drive chain shoe. Refer to Secondary Camshaft Drive Chain Shoe Removal - Right Side .
  4. Remove the right bank secondary camshaft drive chain guide. Refer to Secondary Camshaft Drive Chain Guide Removal - Right Side .
  5. Remove the right bank secondary camshaft drive chain. Refer to Secondary Camshaft Drive Chain Removal - Right Side .
  6. Remove the primary camshaft drive chain tensioner. Refer to Primary Camshaft Intermediate Drive Chain Tensioner Removal .
  7. Remove the primary camshaft drive chain upper guide. Primary Timing Chain Guide Removal - Upper .

  8. Object Number: 902843  Size: SH
  9. Remove the primary camshaft timing chain. Refer to Secondary Camshaft Drive Chain Removal - Right Side.

Installation Procedure


    Object Number: 902843  Size: SH
  1. Install the primary camshaft timing chain. Refer to Primary Camshaft Intermediate Drive Chain Installation .
  2. Install the primary upper camshaft drive chain guide. Refer to Primary Timing Chain Guide Installation - Upper .
  3. Install the primary camshaft drive chain tensioner. Refer to Primary Camshaft Intermediate Drive Chain Tensioner Installation .
  4. Install the right bank secondary camshaft drive chain. Refer to Secondary Camshaft Drive Chain Installation - Right Side .
  5. Install the right bank secondary camshaft drive chain guide. Refer to Secondary Camshaft Drive Chain Guide Installation - Right Side .
  6. Install the right bank secondary camshaft drive chain shoe. Refer to Secondary Camshaft Drive Chain Shoe Installation - Right Side .
  7. Install the right bank secondary camshaft drive chain tensioner. Refer to Secondary Camshaft Drive Chain Tensioner Installation - Right Side .
  8. Install the engine front cover. Refer to Engine Front Cover Replacement.