GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2007 🢒 LaCrosse 🢒 Engine 🢒 Engine Mechanical - 3.6L 🢒 Primary Camshaft Drive Chain and Sprockets Replacement

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 Drive Chain Tensioner Removal .
  7. Remove the primary camshaft drive chain upper guide. Primary Camshaft Drive Chain Guide Removal - Upper .

    8. Object Number: 902843 Size: SH
  8. 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 Drive Chain Installation .
  2. Install the primary upper camshaft drive chain guide. Refer to Primary Camshaft Drive Chain Guide Installation - Upper .
  3. Install the primary camshaft drive chain tensioner. Refer to Primary Camshaft 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 .