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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Engine Mechanical - 3.6L - 4 Of 5) >> Off-Vehicle Repair Instructions (3 Of 4) >> Secondary Camshaft Drive Chain Tensioner Installation - Right Side

Secondary Camshaft Drive Chain Tensioner Installation - Right Side

WARNING: This page is about a different variant/trim than selected.

Tools Required

    Fig 1: Identifying Left & Right Secondary Camshaft Drive Chain Tensioner & Primary Camshaft Drive Chain Tensioner
    GM1306381Courtesy of GENERAL MOTORS CORP.
  1. Ensure that the right secondary camshaft drive chain tensioner (1) is being installed.
    2. Fig 2: Resetting Left Secondary Camshaft Drive Chain Tensioner Plunger With J 45027
    GM1306382Courtesy of GENERAL MOTORS CORP.
  2. Using the J 45027  , reset the right secondary camshaft drive chain tensioner plunger. See Special Tools .
    3. Fig 3: Installing Plunger Into Right Secondary Camshaft Drive Chain Tensioner Body
    GM1306451Courtesy of GENERAL MOTORS CORP.
  3. Install the plunger into the right secondary camshaft drive chain tensioner body.
    4. Fig 4: Identifying EN 46112
    GM1306452Courtesy of GENERAL MOTORS CORP.
  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. See Special Tools .
  5. Slowly release pressure on the right secondary camshaft drive chain tensioner. The right secondary camshaft drive chain tensioner should remain compressed.
    6. Fig 5: Identifying Right Secondary Camshaft Drive Chain Tensioner Gasket
    GM1306453Courtesy of GENERAL MOTORS CORP.
  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. Fig 6: Right Secondary Camshaft Drive Chain Tensioner
    GM1586269Courtesy of GENERAL MOTORS CORP.
  9. Place the right secondary camshaft drive chain tensioner into position and loosely install the bolts to the block.
    10. Fig 7: Identifying Right Secondary Camshaft Drive Chain Tensioner Gasket Tab
    GM1306455Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  10. Verify the proper placement of the right secondary camshaft drive chain tensioner gasket tab (1).
    1. First Pass

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

    2. Final Pass

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

    11. Fig 8: Unlocking Tensioner Plunger By Removing EN 46112
    GM1306456Courtesy of GENERAL MOTORS CORP.
  11. Release the right camshaft drive chain tensioner by pulling out the EN 46112  and unlocking the tensioner plunger. See Special Tools .
    12. Fig 9: Primary And Secondary Camshaft Drive Chain Timing Mark Alignments
    GM1579333Courtesy of GENERAL MOTORS CORP.
    NOTE: 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 (Third Design) or Camshaft Timing Drive Chain Alignment Diagram (Fourth Design) - Stage Two.
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