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Home >> Isuzu >> 2007 >> i-290 LS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 23 (Engine Mechanical - 4.6L - 1 Of 4) >> On-Vehicle Repair Instructions (1 Of 2) >> Camshaft Cover Replacement - Left Side >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Radiator Inlet Hose & Clamp
    GM1664570Courtesy of GENERAL MOTORS CORP.
  1. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
  2. Remove the upper tie bar. Refer to Front End Upper Tie Bar Replacement .
  3. Drain the cooling system. Refer to Draining and Filling Cooling System (Static Fill) or Draining and Filling Cooling System (Vac-N-Fill) .
  4. Reposition the radiator inlet hose clamp (1).
  5. Remove the radiator inlet hose (2) from the water pump housing.
    6. Fig 2: Identifying PCV Fresh Air Tube
    GM1661022Courtesy of GENERAL MOTORS CORP.
  6. Disconnect the positive crankcase ventilation (PCV) fresh air tube quick connect fitting from the camshaft cover. Refer to Plastic Collar Quick Connect Fitting Service .
  7. Remove the ignition coils. Refer to Ignition Coil Replacement - Bank 2 .
    8. Fig 3: View Of Engine Harness & Clips
    GM1662854Courtesy of GENERAL MOTORS CORP.
  8. Remove the engine harness clips (2) from the camshaft cover and position the harness aside.
    9. Fig 4: Identifying ICM Wiring Harness Ground
    GM1662856Courtesy of GENERAL MOTORS CORP.
  9. Loosen the ignition control module (ICM) wiring harness ground bolt (1) from the camshaft cover.
  10. Remove the ground wire terminal/bolt from the camshaft cover.
    11. Fig 5: View Of Water Pump Drive Belt Tensioner Shield
    GM1662858Courtesy of GENERAL MOTORS CORP.
  11. Remove the water pump drive belt tensioner shield bolt/nuts.
  12. Remove the water pump drive belt shield.
  13. Remove the water pump drive belt from the pulleys.
    14. Fig 6: View Of Water Pump Drive Belt Tensioner
    GM1662860Courtesy of GENERAL MOTORS CORP.
  14. Remove the water pump drive belt tensioner studs.
  15. Remove the water pump belt tensioner.
    16. Fig 7: Identifying Plastic Dust Cap
    GM1662863Courtesy of GENERAL MOTORS CORP.
  16. Remove the plastic dust cap (2) from the end of the intake camshaft.
    17. Fig 8: View of J 38825
    GM52984Courtesy of GENERAL MOTORS CORP.
  17. Remove the water pump pulley from the intake camshaft using the J 38825  .
    18. Fig 9: Identifying Camshaft Seal Retainer Bolts
    GM522688Courtesy of GENERAL MOTORS CORP.
  18. Remove the camshaft seal bolts.
    19. Fig 10: View of Camshaft Seal
    GM522689Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: DO NOT reuse the camshaft seal.
  19. Remove and discard the camshaft seal.
    20. Fig 11: View of Camshaft Cover Bolts
    GM500277Courtesy of GENERAL MOTORS CORP.
  20. Loosen the camshaft cover bolts.
    21. Fig 12: Identifying Camshaft Drive End of Camshaft Cover
    GM500280Courtesy of GENERAL MOTORS CORP.
  21. Lift the camshaft drive end of the cover up.
    22. Fig 13: Removal of Camshaft Cover Reward
    GM500281Courtesy of GENERAL MOTORS CORP.
  22. Move the camshaft cover reward in order to clear the water pump drive shaft.
  23. Discard the camshaft cover perimeter seals and spark plug seals if there is any evidence of damage or if the seal comes out of the groove in the cover during removal.
  24. Clean and inspect the camshaft cover. Refer to Camshaft Cover Cleaning and Inspection .
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