GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2007 🢒 STS 🢒 Engine 🢒 Engine Mechanical - 3.6L 🢒 Secondary Camshaft Drive Chain Tensioner Installation - Right Side

Tools Required

    • EN 46112 Tensioner Retraction Pins
    • EN-48383 Camshaft Retaining Tools
    • J 45027 Tensioner Tool

    Object Number: 1306381 Size: SH
  1. Ensure that the right secondary camshaft drive chain tensioner (1) is being installed.

    2. Object Number: 1306382 Size: SH
  2. Using the J 45027 , reset the right secondary camshaft drive chain tensioner plunger.

    3. Object Number: 1306451 Size: SH
  3. Install the plunger into the right secondary camshaft drive chain tensioner body.

    4. Object Number: 1306452 Size: SH
  4. Compress the plunger into the body and lock the right secondary camshaft drive chain tensioner by inserting the EN 46112 into the access hole in the side of the right secondary camshaft drive chain tensioner body.
  5. Slowly release pressure on the right secondary camshaft drive chain tensioner. The right secondary camshaft drive chain tensioner should remain compressed.

    6. Object Number: 1306453 Size: SH
  6. Install a NEW right secondary camshaft drive chain tensioner gasket to the right secondary camshaft drive chain tensioner.
  7. Install the right secondary camshaft drive chain tensioner bolts through the right secondary camshaft drive chain tensioner and gasket.
  8. Ensure the right secondary camshaft drive chain tensioner mounting surface on the right cylinder head does not have any burrs or defects that would degrade the sealing of the NEW right secondary camshaft drive chain tensioner gasket.

    9. Object Number: 1854999 Size: SH
  9. Place the right secondary camshaft drive chain tensioner into position and loosely install the bolts to the block.

    10. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1306455 Size: SH
  10. Verify the proper placement of the right secondary camshaft drive chain tensioner gasket tab (1).
    11. 10.1. First Pass

    Tighten
    Tighten the right secondary camshaft drive chain tensioner bolts to 5 N·m (44 lb in).

    10.2. Final Pass

    Tighten
    Tighten the right secondary camshaft drive chain tensioner bolts to 23 N·m (17 lb ft).


    Object Number: 1855001 Size: SH
  11. Release the right camshaft drive chain tensioner by pulling out the EN 46112 and unlocking the tensioner plunger.

    12. Object Number: 1855002 Size: SH

    Notice: Ensure that all timing chain tensioners are completely released. A timing chain tensioner that is not properly released can lead to serious engine damage.

  12. Verify all primary and secondary camshaft drive chain timing mark alignments (1-18). Also refer to Camshaft Timing Drive Chain Alignment Diagram - Stage Two.
  13. Remove EN-48383 camshaft tools from both sets of camshafts.