GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1998 🢒 Jimmy - 2WD 🢒 HVAC 🢒 HVAC Systems - Automatic 🢒 Pressure Cycling Switch Replacement

Removal Procedure
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

    2. Object Number: 153211 Size: SH
  2. Disconnect the A/C control switch connection.
  3. Remove the A/C control switch.

Installation Procedure

    Object Number: 153211 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.

    Important: Counterhold the compressor/condenser hose using a wrench.

  1. Install the A/C control switch:
    2. • Use new O-rings.
    • Lubricate the new O-rings using mineral oil, 525 viscosity.

    Tighten
    Tighten the A/C control switch to 7 N·m (62 lb in).

  2. Connect the A/C control switch connector.
  3. Lower the vehicle.