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Home >> Cadillac >> 2013 >> Escalade Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 16 (Engine Mechanical - Hybrid (LZ1) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Timing Chain, Crankshaft Sprocket, Camshaft Position Actuator, and Solenoid Valve 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, Screen, and Crankshaft Oil Deflector Replacement .
    2. Fig 1: View Of CMP Actuator Alignment Mark & Crankshaft Sprocket Alignment Mark
    GM1670623Courtesy of GENERAL MOTORS COMPANY
  2. Rotate the crankshaft sprocket until the camshaft position (CMP) actuator alignment mark (1) and the crankshaft sprocket alignment mark (2) are aligned.
    3. Fig 2: View Of Special Tool & Bolts
    GM1658136Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

    NOTE:

    Ensure that the teeth of the J 42386-A  flywheel holding tool mesh with the teeth of the engine flywheel.

  3. Install the J 42386-A  flywheel holding tool (1) and bolts. Use one M10-1.5 x 120 mm and one M10-1.5 x 45 mm bolt for proper tool operation.

    Tighten 

    Tighten the J 42386-A  flywheel holding tool bolts to 50 (37 lb ft).

    4. Fig 3: View Of CMP Actuator Solenoid Valve
    GM1670622Courtesy of GENERAL MOTORS COMPANY
  4. Remove and discard the CMP actuator solenoid valve (234).
    5. Fig 4: View Of Proper CMP Actuator Removal
    GM1714936Courtesy of GENERAL MOTORS COMPANY
    WARNING:

    Do not push or pull on the reluctor wheel of the camshaft position (CMP) actuator during removal or installation. The reluctor wheel is retained to the front of the CMP actuator by 3 roll pins. Pushing or pulling on the wheel may dislodge the wheel from the front of the actuator. The actuator return spring is under tension and may rotate the dislodged reluctor wheel, causing personal injury.

  5. Loosen and separate the CMP actuator and timing chain from the camshaft. Position your fingers behind the actuator sprocket and pull the actuator away from the front of the camshaft. Never pull on the reluctor wheel when attempting to remove the actuator.
    6. Fig 5: View Of CMP Actuator & Timing Chain
    GM1658255Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Do not turn the crankshaft assembly after the timing chain has been removed in order to prevent damage to the piston assemblies or the valves.

  6. Remove the CMP actuator (235) and timing chain (208).
    7. Fig 6: View Of Tie Strap Through Center Of Actuator
    GM1714946Courtesy of GENERAL MOTORS COMPANY
  7. Insert and secure a tie strap (1) through the center of the actuator and over the reluctor wheel.
    8. Fig 7: View Of Timing Chain Tensioner & Bolts
    GM1658178Courtesy of GENERAL MOTORS COMPANY
  8. Remove the timing chain tension bolts (231) and tensioner (232).
    9. Fig 8: View Of Crankshaft Sprocket Special Tools
    GM1658180Courtesy of GENERAL MOTORS COMPANY
  9. Using the J 41816-2  crankshaft end protector (1), the J 41558  crankshaft sprocket remover (2), bolts (3) and the J 8433  puller bar (4) in order to remove the crankshaft sprocket.
    10. Fig 9: View Of Crankshaft Sprocket
    GM1658182Courtesy of GENERAL MOTORS COMPANY
  10. Remove the crankshaft sprocket (207).
    11. Fig 10: View Of Crankshaft Key & Keyway
    GM156149Courtesy of GENERAL MOTORS COMPANY
  11. Remove the crankshaft sprocket key, if required.
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