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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 >> Camshaft Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
NOTE:

If camshaft replacement is required, the valve lifters must also be replaced.

  1. Remove the radiator support. Refer to Radiator Support Replacement .
  2. Remove the valve lifters. Refer to Valve Lifter Replacement .
  3. Remove the engine front cover. Refer to Engine Front Cover Replacement .
    4. Fig 1: View Of CMP Actuator Alignment Mark & Crankshaft Sprocket Alignment Mark
    GM1670623Courtesy of GENERAL MOTORS COMPANY
  4. Rotate the crankshaft sprocket until the camshaft position (CMP) actuator alignment mark (1) and the crankshaft sprocket alignment mark (2) are aligned.
    5. 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.

  5. 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).

    6. Fig 3: View Of CMP Actuator Solenoid Valve
    GM1670622Courtesy of GENERAL MOTORS COMPANY
  6. Remove and discard the CMP actuator solenoid valve (234).
    7. Fig 4: 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.

  7. Remove the CMP actuator (235) and timing chain (208).
    8. Fig 5: View Of Camshaft Retainer & Retainer Bolt
    GM1969013Courtesy of GENERAL MOTORS COMPANY
  8. Remove the camshaft retainer bolts (204) and retainer (203).
    9. Fig 6: View Of Camshaft
    GM1704626Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    All camshaft journals are the same diameter, so care must be used in removing or installing the camshaft to avoid damage to the camshaft bearings.

  9. Install the camshaft sprocket bolt into the camshaft front bolt hole.
  10. Using the bolt as a handle, carefully rotate and remove the camshaft from the engine block.
  11. Remove the bolt from the camshaft.
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