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Home >> Cadillac >> 2004 >> CTS Base, 3.2 N >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Engine Mechanical - 5.7L (LS6)) >> Repair Instructions >> On-Vehicle Repair Instructions >> Camshaft Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of Intake Manifold & Engine
    GM639836Courtesy of GENERAL MOTORS CORP.
  1. Remove the engine assembly. Refer to Engine Replacement .
  2. Remove the intake manifold. Refer to Intake Manifold Replacement .
    3. Fig 2: View Of Cylinder Head & Bolts (Left)
    GM260146Courtesy of GENERAL MOTORS CORP.
  3. Remove the left cylinder head. Refer to Cylinder Head Replacement - Left .
    4. Fig 3: View Of Cylinder Head & Bolts
    GM260149Courtesy of GENERAL MOTORS CORP.
  4. Remove the right cylinder head. Refer to Cylinder Head Replacement - Right .
    5. Fig 4: View Of Camshaft Position (CMP) Sensor & Bolt
    GM260128Courtesy of GENERAL MOTORS CORP.
  5. Remove the camshaft sensor. Refer to Camshaft Position (CMP) Sensor Replacement in Engine Controls - 5.7L.
    6. Fig 5: View Of Front Cover & Gasket
    GM64278Courtesy of GENERAL MOTORS CORP.
  6. Remove the engine front cover. Refer to Engine Front Cover Replacement .
    7. Fig 6: View Of Valve Lifters, Guide & Guide Bolts
    GM1272826Courtesy of GENERAL MOTORS CORP.
  7. Remove the valve lifter guide bolts (211).
  8. Remove the valve lifters and guides. Refer to Valve Lifter Removal .
    9. Fig 7: View Of Camshaft & Crankshaft Sprockets Timing Marks Aligned
    GM156158Courtesy of GENERAL MOTORS CORP.
  9. Rotate the engine in order to align the timing marks.
    10. Fig 8: View Of Camshaft Sprocket, Timing Chain & Retaining Bolts
    GM1272848Courtesy of GENERAL MOTORS CORP.
  10. Remove the camshaft sprocket bolts.
  11. Remove the timing chain from the camshaft sprocket, and allow the chain to rest on the crankshaft sprocket.
    12. Fig 9: View Of Camshaft Retainer Plate
    GM63211Courtesy of GENERAL MOTORS CORP.
  12. Remove the camshaft retainer bolts and retainer.
  13. Remove the camshaft. Refer to Camshaft Removal .
    14. IMPORTANT: Rear cover removal is not required, if the camshaft bearings are not being replaced.
  14. If the camshaft bearings need replacement, remove the rear engine cover and gasket. Refer toEngine Rear Cover Removal .
  15. Remove the camshaft bearings if required. Refer to Camshaft Bearing Removal .
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