GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Isuzu 🢒 2009 🢒 Ascender - 2WD 🢒 Engine 🢒 Engine Mechanical - 4.2L 🢒 Drive Belt Tensioner Replacement

Removal Procedure
  1. Remove the drive belt. Refer to Drive Belt Replacement.
  2. Remove the drive belt tensioner bolt.

    3. Object Number: 637663 Size: SH
  3. Remove the drive belt tensioner.

Installation Procedure

    Object Number: 637663 Size: SH
  1. Install the drive belt tensioner.

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

  2. Install the drive belt tensioner bolt and tighten to 50 N·m (37 lb ft).
  3. Install the drive belt. Refer to Drive Belt Replacement.