GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2007 🢒 G3 🢒 Engine 🢒 Engine Mechanical - 1.4L DOHC 🢒 Timing Belt Adjustment

Tools Required

    • J 42492-A (KM-421-A) Timing Belt Adjuster
    • J 45059 Angle Meter
    • KM-470-B Angular Torque Gage

    Caution: Refer to Battery Disconnect Caution in the Preface section.


    Object Number: 1371852 Size: SH

  1. Disconnect the negative battery cable.

  2. Disconnect the intake air temperature (IAT) sensor connector.
  3. Remove the air intake tube from the throttle body.
  4. Remove the breather tube from the valve cover.

    5. Object Number: 1371859 Size: SH
  5. Remove the air filter housing bolts.
  6. Remove the air filter housing.
  7. Remove the right front wheel. Refer to Tire and Wheel Removal and Installation .
  8. Remove the right front splash shield.

    9. Object Number: 1371872 Size: SH
  9. Remove the accessory drive belt.
  10. Remove the crankshaft pulley bolt.
  11. Remove the crankshaft pulley.

    12. Object Number: 1371903 Size: SH
  12. Remove the upper front timing belt cover bolts.
  13. Remove the upper front timing belt cover.
  14. Remove the lower front timing belt cover bolts.
  15. Remove the lower front timing belt cover.
  16. Remove the power steering pump mounting bolts, if equipped.
  17. Install the crankshaft pulley bolt.

    18. Object Number: 1371900 Size: SH
  18. Rotate the crankshaft at least one full turn clockwise using the crankshaft pulley bolt.
  19. Align the mark on the crankshaft gear to the notch at the bottom of the rear timing belt cover.

    20. Object Number: 1371882 Size: SH
  20. Align the camshaft gear timing marks.

    21. Object Number: 1371883 Size: SH
  21. Slightly loosen the coolant pump retaining bolts.
  22. Rotate the coolant pump clockwise using the J 42492-A  (1).

    23. Object Number: 1371904 Size: SH
  23. Rotate the coolant pump clockwise until the adjust arm pointer of the timing belt automatic tensioner is aligned to the notch in the timing belt automatic tensioner bracket.

    24. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1371905 Size: SH
  24. Tighten the coolant pump retaining bolts.
  25. Rotate the crankshaft 2 full turns clockwise using the crankshaft pulley.
  26. Loosen the coolant pump retaining bolts.

    27. Object Number: 1371906 Size: SH
  27. Using the J 42492-A , rotate the coolant pump until the adjust arm pointer of the timing belt automatic tensioner is aligned with the pointer on the timing belt automatic tensioner bracket.

    28. Object Number: 1371903 Size: SH
  28. Tighten the coolant pump retaining bolts.

    29. Tighten
    Tighten the coolant pump retaining bolts to 10 N·m (89 lb in).

  29. Remove the crankshaft pulley bolt.
  30. Install the upper and lower front timing belt cover.
  31. Install the upper and lower front timing belt cover bolts.

    32. Tighten
    Tighten the upper and lower front timing belt cover bolts to 10 N·m (89 lb in).


    Object Number: 1371872 Size: SH
  32. Install the crankshaft pulley.
  33. Install the crankshaft pulley bolt.

    34. Tighten
    Tighten the crankshaft pulley bolt to 95 N·m (70 lb ft) using a torque wrench. Using the J 45059 or KM-470-B , tighten the crankshaft pulley bolt 30 degrees plus 15 degrees.

  34. Install the accessory drive belt.

    35. Object Number: 1371859 Size: SH
  35. Install the right front wheel. Refer to Tire and Wheel Removal and Installation .
  36. Install the air filter housing.
  37. Install the air filter housing bolts.

    38. Tighten
    Tighten the air filter housing bolts to 8 N·m (71 lb in).


    Object Number: 1371852 Size: SH
  38. Connect the air intake tube to the throttle body.
  39. Connect the breather tube to the valve cover.
  40. Connect the IAT sensor connector.
  41. Connect the negative battery cable.