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Home >> Cadillac >> 2004 >> CTS Base, 3.6 7 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Mechanical - 3.2L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Camshaft Drive Sprocket Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Identifying Index Mark On Oil Pump Cover
    GM828921Courtesy of GENERAL MOTORS CORP.
  1. Ensure the crankshaft is 60 degrees BTDC.

    The 60 degrees BTDC point can be identified by the index mark on the oil pump cover, at this position the valves will not touch the pistons.

    2. Fig 2: Identifying Alignment Reference Marks
    GM159005Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The camshaft drive sprockets have numbered slots that must be aligned with the pins on the camshafts.
    When the numbered camshaft drive sprocket slot is properly installed on the camshaft pin, the reference mark (1, 2, 3 or 4) on the drive sprocket, will align with the notch on the rear timing belt cover.
  2. Install the camshaft drive sprocket.

    Ensure the camshaft pin is installed in the correct numbered slot on the drive sprocket.

    3. Fig 3: Installing Camshaft Drive Sprocket Bolts
    GM159009Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Torque to Yield Bolts Notice in Cautions and Notices.
  3. Install the new camshaft drive sprocket bolt.
    4. Fig 4: Identifying Alignment Reference Marks
    GM159005Courtesy of GENERAL MOTORS CORP.
  4. If necessary, turn the camshaft drive sprockets in order to align the reference marks on the camshaft gears with the corresponding notches on the rear timing belt cover.
    5. Fig 5: Identifying J 42069-1 & J 42069-2
    GM345381Courtesy of GENERAL MOTORS CORP.
  5. Complete the following in order to tighten the new camshaft drive sprocket bolt:
    1. Use the relevant J 42069-1 and/or J 42069-2 to hold the camshaft drive sprocket and the camshaft in place while tightening the camshaft drive sprocket bolt.
      2. NOTE: Refer to Fastener Notice in Cautions and Notices.
    2. Tighten the camshaft drive sprocket bolt in sequence:

      Tighten: 

      1. Tighten the camshaft drive sprocket bolt to 50 N.m (37 lb ft).
      2. Using the J 36660-A  , rotate the crankshaft gear bolt 60 degrees. See Special Tools and Equipment .
      3. Repeat the sequence turning the crankshaft gear bolt an additional 15 degrees.

    6. Fig 6: Turning Crankshaft Back To TDC
    GM826214Courtesy of GENERAL MOTORS CORP.
  6. Turn the crankshaft back to Top Dead Center (TDC), using the J 42098  . See Special Tools and Equipment .
  7. Install the timing belt. Refer to Timing Belt Replacement .
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