GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Blazer - 4WD 🢒 Body and Accessories 🢒 Frame and Underbody 🢒 Trailer Hitch Replacement

Removal Procedure
  1. Remove the rear bumper impact bar. Refer to Rear Bumper Impact Bar Replacement in Bumpers.

    2. Object Number: 594375 Size: SH
  2. Remove 4 nuts and 2 stud plate assemblies securing the trailer hitch to each frame rail.
  3. Remove the hitch from the frame rails.

Installation Procedure

    Object Number: 594375 Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  1. Install the trailer hitch to each frame rail with 4 nuts and 2 stud plate assemblies.

    2. Tighten
    Tighten the trailer hitch nuts to 90 N·m (66 lb ft).

  2. Install the rear bumper impact bar. Refer to Rear Bumper Impact Bar Replacement in Bumpers.