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Home >> Cadillac >> 2010 >> STS 3.6 V, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Mechanical - 4.6L (LH2) - Repair Instructions - On Vehicle - 1 Of 2) >> 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: 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. See Special Tools .
  4. Install the following as an assembly:
    • The primary camshaft drive chain (3)
    • The crankshaft sprocket
    • The camshaft intermediate sprocket
    5. Fig 3: Camshaft Intermediate Sprocket Retaining Bolt
    GM928389Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Fastener Caution .
  5. Install the camshaft intermediate sprocket retaining bolt and tighten to 60 N.m (44 lb ft).
    6. Fig 4: Primary Camshaft Drive Chain Guide & Bolts
    GM928395Courtesy of GENERAL MOTORS CORP.
  6. Install the primary drive chain guide.
  7. Install the primary drive chain guide bolts and tighten to 25 N.m (18 lb ft).
  8. Install the primary drive chain tensioner. Refer to Primary Camshaft Intermediate Drive Chain Tensioner Replacement .
    9. Fig 5: Oil Outlet Tube & Bolts
    GM928361Courtesy of GENERAL MOTORS CORP.
  9. Install the oil outlet tube (4) and bolts and tighten to 10 N.m (89 lb in).
  10. Install the secondary camshaft drive chains. Refer to Secondary Camshaft Intermediate Drive Chain Replacement - Left Side  and Secondary Camshaft Intermediate Drive Chain Replacement - Right Side .
  11. Remove the pin from the primary timing chain tensioner release lever.
    12. Fig 6: 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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