GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2006 🢒 Optra - Mexico 🢒 Engine 🢒 Engine Mechanical - 1.8L (L79) 🢒 Engine Mount Replacement

Tools Required

J 28467-B Universal Engine Support Fixture

Removal Procedure

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


    Object Number: 1289833 Size: SH
  1. Disconnect the negative battery cable.
  2. Support the engine assembly using J 28467-B  (1).
  3. Disconnect the intake air temperature (IAT) sensor connector.
  4. Disconnect the air cleaner outlet hose from the throttle body.
  5. Remove the air cleaner housing bolts.
  6. Remove the air cleaner housing.

    7. Object Number: 1289770 Size: SH
  7. Remove the right front splash shield. Refer to Wheelhouse Splash Shield Replacement in Body Front End.
  8. Remove the engine mount bracket retaining bolts.
  9. Remove the engine mount bracket.
  10. Remove the serpentine accessory drive belt. Refer to Power Steering Pump Belt Replacement in Power Steering System.

    11. Object Number: 1289773 Size: SH
  11. Remove the front timing belt cover bolts.
  12. Align the crankshaft pulley timing mark with the pointer, and the camshaft gears with the timing marks on the rear cover, by turning the crankshaft gear bolt.
  13. Loosen the timing belt automatic tensioner bolt.
  14. Turn the hex-key tab to relieve belt tension.
  15. Remove the timing belt idler pulley bolt and nut.
  16. Remove the timing belt idler pulley.
  17. Remove the engine mount retaining bolts.
  18. Remove the engine mount.

Installation Procedure

    Object Number: 1289834 Size: SH
  1. Install the engine mount.

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

  2. Install the engine mount retaining bolts.

    3. Tighten
    Tighten the engine mount retaining bolts to 45 N·m (33 lb ft).


    Object Number: 1289788 Size: SH
  3. Install the timing belt idler pulleys.
  4. Install the timing belt idler pulley bolt and nut.

    5. Tighten
    Tighten the timing belt idler pulley bolt and nut to 25 N·m (18 lb ft).

  5. Tension the timing belt by turning the timing belt automatic tensioner hex-key tab counterclockwise until the pointer is aligned to the indicator.

    6. Tighten
    Tighten the timing belt automatic tensioner bolt to 25 N·m (18 lb ft).


    Object Number: 1289773 Size: SH
  6. Install the front timing belt cover.
  7. Install the front timing belt cover bolts.

    8. Tighten
    Tighten the front timing belt cover bolts to 6 N·m (53 lb in).

  8. Install the engine mount bracket and retaining bolts.

    9. Tighten
    Tighten the engine mount bracket retaining bolts to 55 N·m (41 lb ft).

  9. Remove the J 28467-B .
  10. Install the serpentine accessory drive belt. Refer to Power Steering Pump Belt Replacement in Power Steering System.
  11. Connect the negative battery cable.