GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2005 🢒 STS 🢒 Engine 🢒 Engine Mechanical - 4.6L (LH2) 🢒 Primary Camshaft Drive Chain Guide Replacement

Removal Procedure

    Object Number: 1276767 Size: SH
  1. Remove the right side secondary camshaft drive chain (4). Refer to Secondary Camshaft Drive Chain Replacement - Right Side .

    2. Object Number: 1276766 Size: SH
  2. Remove the left side secondary camshaft drive chain (2). Refer to Secondary Camshaft Drive Chain Replacement - Left Side .

    3. Object Number: 1276763 Size: SH
  3. Remove the right side secondary camshaft drive chain shoe. Refer to Secondary Camshaft Drive Chain Shoe Replacement - Right Side .

    4. Object Number: 1276765 Size: SH
  4. Remove the right side secondary camshaft drive chain guide. Refer to Secondary Camshaft Drive Chain Guide Replacement - Right Side .

    5. Object Number: 1276762 Size: SH
  5. Remove the left side secondary camshaft drive chain shoe. Refer to Secondary Camshaft Drive Chain Shoe Replacement - Left Side .

    6. Object Number: 1276764 Size: SH
  6. Remove the left side secondary camshaft drive chain guide. Refer to Secondary Camshaft Drive Chain Guide Replacement - Left Side .

    7. Object Number: 928361 Size: SH
  7. Remove the oil outlet tube (4) from the engine. Refer to Oil Pump Outlet Tube Removal .

    8. Object Number: 928392 Size: SH
  8. Remove the primary camshaft drive chain tensioner. Refer to Primary Camshaft Drive Chain Tensioner Replacement .

    9. Object Number: 928395 Size: SH
  9. Remove the bolts attaching the primary camshaft drive chain guide to the engine block.
  10. Remove the primary camshaft drive chain guide.
  11. Clean and inspect the camshaft timing drive components. Refer to Camshaft Timing Drive Components Cleaning and Inspection .

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 928395 Size: SH
  1. Install the primary camshaft drive chain guide and retaining bolts.

    2. Tighten
    Tighten the primary camshaft drive chain guide bolts to 25 N·m (18 lb ft).


    Object Number: 928392 Size: SH
  2. Install the primary camshaft drive chain tensioner. Refer to Primary Camshaft Drive Chain Tensioner Replacement .

    3. Object Number: 928361 Size: SH
  3. Install the oil outlet tube (4) to the engine. Refer to Oil Pump Outlet Tube Installation .

    4. Object Number: 1276764 Size: SH
  4. Install the left side secondary camshaft drive chain guide. Refer to Secondary Camshaft Drive Chain Guide Replacement - Left Side .

    5. Object Number: 1276762 Size: SH
  5. Install the left side secondary camshaft drive chain shoe. Refer to Secondary Camshaft Drive Chain Shoe Replacement - Left Side .

    6. Object Number: 1276765 Size: SH
  6. Install the right side secondary camshaft drive chain guide. Refer to Secondary Camshaft Drive Chain Guide Replacement - Right Side .

    7. Object Number: 1276763 Size: SH
  7. Install the right side secondary camshaft drive chain shoe. Refer to Secondary Camshaft Drive Chain Shoe Replacement - Right Side .

    8. Object Number: 1276766 Size: SH
  8. Install the left side secondary camshaft drive chain (2). Refer to Secondary Camshaft Drive Chain Replacement - Left Side .

    9. Object Number: 1276767 Size: SH
  9. Install the right side secondary camshaft drive chain (4). Refer to Secondary Camshaft Drive Chain Replacement - Right Side .