GM Service Manual Online
For 1990-2009 cars only

Special Tools

    • KM-6333 Fixing Rod
    • MK-6340 Locking Tool
    • KM-6625 Flywheel Locking Device

    Object Number: 1944920  Size: SH
  1. prepare the right half of the MK-6340 for use on the Z 18 16 XER engines
  2.         Important: The front panel of the MK-6340 -Right is recognized by the lettering "Right", arrow.

    1.1. Remove the front panel (1) from the MK-6340 -Right.
    1.2. Remove the 2 bolts (2).

    Object Number: 1944922  Size: SH

    Important: 

       • The spot-type marking (4) on the intake camshaft adjuster does not correspond to the groove of the MK-6340 -Left during this process but must be somewhat above.
       • The spot-type marking (3) on the exhaust camshaft adjuster must correspond to the groove on the MK-6340 -Right.

  3. Insert MK-6340 -Left (1) and MK-6340 -Right (2) into the camshaft adjuster.

  4. Object Number: 1944953  Size: LH
  5. Block the crankshaft.
  6. Attach the KM-6625 .
  7. 4.1. Detach the screwed connection (1).
    4.2. Insert the KM-6625  (2).
    4.3. Tighten the screwed connection (3).

    Object Number: 1937014  Size: SH
  8. Using an Allen key (1), apply tension to the timing belt tensioner (2) in the direction of the arrow. Fix, using the KM-6333 .
  9. Mark the timing belt direction of rotation.

  10. Object Number: 1941810  Size: LF
  11. Remove the timing belt tensioner bolt (2).
  12. Remove the timing belt tensioner (1).