LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1337 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Expansion (Orifice) Tube Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Uncap or unplug the evaporator tube.
  2. Lubricate the new O-ring using new 525 viscosity refrigerant oil.
  3. Install the new O-ring seal.
  4. Install the orifice tube (1) to the evaporator tube (2).
    1. 4.1. Coat the O-ring seal with 525 viscosity refrigerant oil.
    2. 4.2. Insert the long screen end of the new orifice (1) into the evaporator tube.
    NOTE: Refer to FASTENER NOTICE .
  5. Connect the evaporator tube at the fitting.

    Tighten 

    Tighten the fitting to 25 N.m (18 lb ft).

  6. Evacuate and recharge the system. Refer to Refrigerant Recovery and Recharging .
  7. Leak test the fittings of the repaired component using J 39400-A. 
    Fig 1: Install Orifice Tube To Evaporator Tube
    G01479022Courtesy of GENERAL MOTORS CORP.
scientia non olet · About LEMON Manuals