GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1997 🢒 Astro - 4WD 🢒 Engine 🢒 Engine Mechanical - 4.3L 🢒 Drive Belt Replacement

Removal Procedure

    Object Number: 43856 Size: SH
  1. Install a 3/8 inch drive on the tensioner arm and rotate the arm counterclockwise.
  2. Remove the drive belt.

Installation Procedure
  1. Route the belt over all the pulleys except the tensioner pulley.

    2. Object Number: 43858 Size: SH
  2. Observe belt routing for vehicles without air conditioning.

    3. Object Number: 43859 Size: SH
  3. Observe belt routing for vehicles with air conditioning.

    4. Object Number: 43856 Size: SH
  4. Install a 3/8 inch drive on the tensioner arm and rotate the arm counterclockwise.
  5. Install the belt over the tensioner pulley and slowly release tension.