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Home >> Cadillac >> 2006 >> STS Base, 3.6 7, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Mechanical - 4.4L (1 Of 5)) >> On-Vehicle Repair Instructions (Part 1) >> Primary Camshaft Drive Chain and Sprockets Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Remove the oil pump. Refer to Oil Pump Replacement .
    2. Fig 1: Crankshaft Sprocket To Oil Pump Drive Friction Washer
    GM1674296Courtesy of GENERAL MOTORS CORP.
  2. Remove the crankshaft sprocket to oil pump drive friction washer.
    3. Fig 2: Identifying Primary Timing Gear Alignment Marks
    GM517185Courtesy of GENERAL MOTORS CORP.
  3. Align the primary timing marks (1) using the J 39946  . See Special Tools .
  4. Remove the secondary camshaft drive chains. Refer to Secondary Camshaft Drive Chain Replacement - Left Side  and Secondary Camshaft Drive Chain Replacement - Right Side .
  5. Remove the primary drive chain tensioner. Refer to Primary Camshaft Drive Chain Tensioner Replacement .
    6. Fig 3: View Of Oil Outlet Tube Bolts
    GM928361Courtesy of GENERAL MOTORS CORP.
  6. Remove the oil outlet tube (4). Refer to Oil Pump Outlet Tube Removal .
    7. Fig 4: View Of Primary Camshaft Drive Chain Guide
    GM928395Courtesy of GENERAL MOTORS CORP.
  7. Remove the primary camshaft drive chain guide bolts and guide.
    8. Fig 5: View Of Camshaft Intermediate Sprocket Retaining Bolt
    GM928389Courtesy of GENERAL MOTORS CORP.
  8. Remove the camshaft intermediate sprocket retaining bolt.
    9. Fig 6: View Of Primary Camshaft Drive Chain, Intermediate Drive Shaft Sprocket & Crankshaft Sprocket
    GM928397Courtesy of GENERAL MOTORS CORP.
  9. Remove the following as an assembly:
    • The primary camshaft drive chain (3)
    • The crankshaft sprocket
    • The camshaft intermediate sprocket
    10. Fig 7: Crankshaft To Crankshaft Sprocket Friction Washer
    GM1674295Courtesy of GENERAL MOTORS CORP.
  10. Remove the crankshaft to crankshaft sprocket friction washer.
  11. Clean and inspect the camshaft timing drive components. Refer to Camshaft Timing Drive Components Cleaning and Inspection .
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