LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1709 (HVAC Systems - Troubleshooting) >> Repair Instructions >> Thermal Expansion Valve Replacement - Auxiliary >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Auxiliary Thermal Expansion Valve
    GM814589Courtesy of GENERAL MOTORS CORP.
  1. Remove the cap or tape from the evaporator core-auxiliary lines.
  2. Install the new O-ring. Refer to O-Ring Replacement .
  3. Install the thermal expansion valve-auxiliary onto the evaporator core-auxiliary lines.
    4. NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  4. Using a back up wrench, install the flare nuts from the evaporator core-auxiliary lines to the thermal expansion valve-auxiliary.

    Tighten:  Tighten the nuts to 5 N.m (44 lb in).

  5. Install the foam insulators to the evaporator core-auxiliary lines (3).
  6. Install the foam insulators to the thermal expansion valve-auxiliary (4).
  7. Install the evaporator core-auxiliary. Refer to Evaporator Core Replacement - Auxiliary .
scientia non olet · About LEMON Manuals