GM Service Manual Online
For 1990-2009 cars only

Inner Drive Belt Tensioner - Generator


    Object Number: 1686836  Size: SH
  1. Select the inner drive belt tensioner (1).

  2. Object Number: 1686842  Size: SH
  3. Place the inner drive belt tensioner in position to the generator bracket. Ensure to properly locate the inner drive belt tensioner anchor pin in the recess (1) in the generator bracket.
  4. Caution: Refer to Fastener Caution in the Preface section.

  5. Install the inner drive belt tensioner bolt and tighten to 50 N·m (37 lb ft).

Center Drive Belt Tensioner - A/C Compressor, Water Pump and Power Steering Pump


    Object Number: 1686836  Size: SH
  1. Select the center drive belt tensioner (2).

  2. Object Number: 1686840  Size: SH
  3. Place the center drive belt tensioner in position to the left camshaft position actuator housing. Ensure to properly locate the center drive belt tensioner anchor pin in the recess (1) in the left camshaft position actuator housing.
  4. Install the center drive belt tensioner bolt and tighten to 50 N·m (37 lb ft).

Outer Drive Belt Tensioner - Supercharger


    Object Number: 1686836  Size: SH
  1. Select the outer drive belt tensioner (3).

  2. Object Number: 1686838  Size: SH
  3. Place the outer drive belt tensioner in position to the right camshaft position actuator housing. Ensure to properly locate the outer drive belt tensioner anchor pin in the recess (1) in the right camshaft position actuator housing.
  4. Install the outer drive belt tensioner bolt and tighten to 50 N·m (38 lb ft).