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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 >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of Crankshaft Key & Keyway
    GM156149Courtesy of GENERAL MOTORS COMPANY
  1. Install the key into the crankshaft keyway, if previously removed.
    2. Fig 2: View Of Installed Crankshaft Key
    GM1272887Courtesy of GENERAL MOTORS COMPANY
  2. Tap the key (122) into the keyway until both ends of the key bottom onto the crankshaft.
    3. Fig 3: View Of Crankshaft Sprocket
    GM1658182Courtesy of GENERAL MOTORS COMPANY
  3. Install the crankshaft sprocket (207) onto the front of the crankshaft. Align the crankshaft key with the crankshaft sprocket keyway.
    4. Fig 4: View Of Crankshaft Sprocket & Installer
    GM1658237Courtesy of GENERAL MOTORS COMPANY
  4. Use the J 41478  crankshaft front oil seal installer (1) and the J 41665  crankshaft balancer and sprocket installer (2) in order to install the crankshaft sprocket. Install the sprocket onto the crankshaft until fully seated against the crankshaft flange.
    5. Fig 5: View Of Compressed Tensioner
    GM1658249Courtesy of GENERAL MOTORS COMPANY
  5. Compress the timing chain tensioner guide and install the EN 46330  timing belt tensioner retaining pin.
    6. Fig 6: View Of Timing Chain Tensioner
    GM1658251Courtesy of GENERAL MOTORS COMPANY
  6. Install the timing chain tensioner (232) and bolts (231).

    Tighten 

    Tighten the bolts to 25 (18 lb ft).

    7. Fig 7: Identifying Alignment Hole & Locating Pin
    GM1658240Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • Properly locate the CMP actuator onto the locating pin of the camshaft.
    • The sprocket teeth and timing chain teeth must mesh.
    • The camshaft and the crankshaft sprocket alignment MUST be aligned properly.
    • Do not use the CMP solenoid valve again. Install a NEW CMP valve during assembly.
  7. Identify the alignment hole (1) in the rear face of the CMP actuator and the locating pin (2) on the front face of he camshaft.
    8. Fig 8: View Of CMP Actuator & Timing Chain
    GM1670621Courtesy of GENERAL MOTORS COMPANY
  8. Align the CMP actuator so the timing mark is in the 6 o'clock position.
  9. Install the CMP actuator (235) and timing chain (208). Align the hole in the face of the CMP actuator with the locating pin on the front face of the camshaft.
    10. Fig 9: Proper Installation Of CMP Actuator
    GM1714942Courtesy 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.

  10. Use care to install the actuator completely onto the front of the camshaft. Position your fingers onto the face of the actuator sprocket and push the actuator onto the front of the camshaft. Never push on the reluctor wheel when attempting to install the actuator.
    11. Fig 10: Inspecting For Proper Installation Of CMP Actuator & Timing Chain
    GM1670626Courtesy of GENERAL MOTORS COMPANY
  11. Place a straight edge across the front face of the engine block and inspect for proper installation of the CMP actuator and timing chain. With the CMP actuator properly and completely installed onto the front of the camshaft, the timing chain will not protrude beyond the front face of the engine block.
    12. Fig 11: View Of CMP Actuator Solenoid Valve
    GM1670622Courtesy of GENERAL MOTORS COMPANY
  12. Install a NEW CMP actuator valve (234). With the CMP actuator properly positioned onto the camshaft, the CMP actuator solenoid valve can be threaded completely into the camshaft using light hand pressure. Tighten by hand until snug.
    13. Fig 12: View Of CMP Actuator Alignment Mark & Crankshaft Sprocket Alignment Mark
    GM1670623Courtesy of GENERAL MOTORS COMPANY
  13. Inspect the sprockets for proper alignment. The mark on the CMP (1) actuator sprocket should be located in the 6 o'clock position and the mark on the crankshaft sprocket (2) should be located in the 12 o'clock position.
    14. Fig 13: Timing Belt Tensioner Retaining Pin
    GM1658253Courtesy of GENERAL MOTORS COMPANY
  14. Remove the EN 46330  timing belt tensioner retaining pin.
    15. Fig 14: Tightening The CMP Actuator Solenoid Valve
    GM1658245Courtesy of GENERAL MOTORS COMPANY
  15. Tighten the CMP actuator solenoid valve.

    Tighten 

    1. Tighten the bolt a first pass to 65 (48 lb ft).
    2. Tighten the bolt a final pass an additional 90 degrees using J 45059  angle meter.
    16. Fig 15: View Of Special Tool & Bolts
    GM1658136Courtesy of GENERAL MOTORS COMPANY
  16. Remove the J 42386-A  flywheel holding tool (1) and bolts.
  17. Install the oil pump. Refer to Oil Pump, Screen, and Crankshaft Oil Deflector Replacement .
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