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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 >> Valve Rocker Arm Cover Replacement - Right >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of Fuel Injector Sight Shield
    GM1392497Courtesy of GENERAL MOTORS CORP.
  1. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
    2. Fig 2: Identifying PCV Fresh Air Hose
    GM1392083Courtesy of GENERAL MOTORS CORP.
  2. Remove the positive crankcase ventilation (PCV) tube from the throttle body and rocker arm cover.
    3. Fig 3: Spark Plug Wire Routing
    GM74069Courtesy of GENERAL MOTORS CORP.
  3. Disconnect the spark plug wires from the ignition coils.
    • Twist the spark plug wire boot 1/2 turn.
    • Pull only on the boot in order to remove the wire from the ignition coil.
  4. Disconnect the ignition coil wire harness main electrical connector.
    5. Fig 4: Locating Ignition Coil Bracket Studs
    GM697216Courtesy of GENERAL MOTORS CORP.
  5. Remove the ignition coil bracket studs.
  6. Remove the ignition coil bracket.
    7. Fig 5: View Of Valve Rocker Arm Cover & Bolts (Right)
    GM260084Courtesy of GENERAL MOTORS CORP.
  7. Loosen the valve rocker arm cover bolts.
  8. Remove the valve rocker arm cover.
    9. Fig 6: Rocker Arm Cover Gasket
    GM490696Courtesy of GENERAL MOTORS CORP.
  9. Remove the gasket (1) from the rocker cover. Discard the OLD gasket.
    10. Fig 7: View Of Oil Fill Cap & Tube
    GM260110Courtesy of GENERAL MOTORS CORP.
  10. Remove the oil fill cap from the oil fill tube.
  11. DO NOT remove the oil fill tube, unless replacement is necessary due to signs of leakage.
  12. Clean and inspect the valve rocker arm cover. Refer to Valve Rocker Arm Cover Cleaning and Inspection .
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