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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 840 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Evaporator Tube Replacement - Auxiliary >> Installation Procedure

Installation Procedure

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  1. Install the auxiliary A/C evaporator tubes to the vehicle.
  2. Install the auxiliary A/C evaporator tubes (3) to the clamps (5).
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  3. Install the heater/A/C tubes retaining nut (4) to the stud (1) at the frame (6).

    Tighten: 

    Tighten the nut to 7 N.m (62 lb in).

    Fig 1: Installing Auxiliary A/C Evaporator Tubes To Clamps
    G01454517Courtesy of GENERAL MOTORS CORP.
  4. Install the auxiliary A/C evaporator tubes (2, 3) and the retaining nut to the auxiliary HVAC module.

    Tighten: 

    Tighten the nut to 16 N.m (12 lb ft).

  5. Lower the vehicle.
  6. Install the right front wheelhouse. Refer to WHEELHOUSE PANEL REPLACEMENT in Body Front End.
    Fig 2: Installing Retaining Nut & Auxiliary A/C Evaporator Tubes To Auxiliary HVAC Module
    G01454518Courtesy of GENERAL MOTORS CORP.
  7. Install the auxiliary A/C evaporator tubes (3) to the condenser tube (2) and the accumulator (5).

    Tighten: 

    Tighten the nuts to 16 N.m (12 lb ft).

  8. Recharge the refrigerant to the system. Refer to REFRIGERANT RECOVERY AND RECHARGING  .
  9. Leak test the fittings of the component using the J 39400-A  .
    Fig 3: Installing Auxiliary A/C Evaporator Tubes To Condenser Tube & Accumulator
    G01454519Courtesy of GENERAL MOTORS CORP.
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