GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2005 🢒 Optra 🢒 Engine 🢒 Engine Mechanical - 1.6L (L91) 🢒 Timing Belt Cover Replacement

Removal Procedure

    Object Number: 1291365 Size: SH
  1. Remove the timing belt and the timing belt cover. Refer to Timing Belt Replacement .
  2. Remove the camshaft gears. Refer to Camshaft Gear Replacement .
  3. Remove the crankshaft gear.
  4. Remove the timing belt automatic tensioner bolts.
  5. Remove the timing belt automatic tensioner.

    6. Object Number: 1291366 Size: SH
  6. Remove the timing belt idler pulley bolt.
  7. Remove the timing belt idler pulley.

    8. Object Number: 1371925 Size: SH
  8. Remove the rear timing belt cover bolts.
  9. Remove the rear timing belt cover.

Installation Procedure

    Object Number: 1371925 Size: SH
  1. Install the rear timing belt cover.

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

  2. Install the rear timing belt cover bolts.

    3. Tighten
    Tighten the rear timing belt cover bolts to 10 N·m (89 lb in).


    Object Number: 1291366 Size: SH
  3. Install the timing belt idler pulley.
  4. Install the timing belt idler pulley bolt.

    5. Tighten
    Tighten the timing belt idler pulley bolt to 40 N·m (30 lb ft).


    Object Number: 1291365 Size: SH
  5. Install the timing belt automatic tensioner.
  6. Install the timing belt automatic tensioner bolts.

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

  7. Install the crankshaft gear.

    8. Important: Take extreme care to prevent any scratches, nicks or damage to the camshafts.

  8. Install the camshaft gears. Refer to Camshaft Gear Replacement .
  9. Install the timing belt and timing belt cover. Refer to Timing Belt Replacement .