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Home >> Cadillac >> 2006 >> STS Base, 3.6 7, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Mechanical - 4.6L (LH2) - 1 Of 5) >> On-Vehicle Repair Instructions (Part 1) >> Primary Camshaft Drive Chain and Sprockets Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Aligning Timing Marks Of Camshaft Intermediate & Crankshaft Sprockets
    GM207540Courtesy of GENERAL MOTORS CORP.
  1. Align the timing marks (1) of the camshaft intermediate and crankshaft sprockets. The marks should be aligned vertically in the installed position.
  2. Install the primary camshaft drive chain on the drive sprockets.
    3. Fig 2: View Of Primary Camshaft Drive Chain, Intermediate Drive Shaft Sprocket & Crankshaft Sprocket
    GM928397Courtesy of GENERAL MOTORS CORP.
  3. Use the J 39946  to rotate the crankshaft until the crankshaft keyway is approximately at the 1 o'clock position.
  4. Install the following as an assembly:
    • The primary camshaft drive chain (3)
    • The crankshaft sprocket
    • The camshaft intermediate sprocket
    5. Fig 3: View Of Camshaft Intermediate Sprocket Retaining Bolt
    GM928389Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  5. Install the camshaft intermediate sprocket retaining bolt.

    Tighten:  Tighten the camshaft intermediate sprocket retaining bolt to 60 N.m (44 lb ft).

    6. Fig 4: View Of Primary Camshaft Drive Chain Guide
    GM928395Courtesy of GENERAL MOTORS CORP.
  6. Install the primary drive chain guide.
  7. Install the primary drive chain guide bolts.

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

  8. Install the primary drive chain tensioner. Refer to Primary Camshaft Drive Chain Tensioner Replacement .
    9. Fig 5: View Of Oil Outlet Tube Bolts
    GM928361Courtesy of GENERAL MOTORS CORP.
  9. Install the oil outlet tube (4) and bolts.

    Tighten:  Tighten the oil outlet tube bolts to 10 N.m (89 lb in).

  10. Install the secondary camshaft drive chains. Refer to Secondary Camshaft Drive Chain Replacement - Left Side  and Secondary Camshaft Drive Chain Replacement - Right Side .
  11. Remove the pin from the primary timing chain tensioner release lever.
    12. Fig 6: Identifying Primary Timing Gear Alignment Marks
    GM517185Courtesy of GENERAL MOTORS CORP.
  12. Ensure the primary timing marks (1) are aligned vertically.
  13. Install the oil pump. Refer to Oil Pump Replacement .
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