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Removal & Installation: Evaporator: Removal

WARNING: This page is about a different car, the 2002 Pontiac Firebird and 2002 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.
  1. Recover the refrigerant. See RECOVERY, EVACUATION & RECHARGING in GENERAL SERVICING PROCEDURES article in GENERAL SERVICING. Remove HVAC module assembly. Remove the heater rear case bolts.
  2. Remove the heater rear case:
    • Slide the heater rear case downward in order to disengage the upper case clip.
    • Remove the heater rear case.
    • Use a small hand saw to remove the perforated section of the evaporator case. This section will be reused.
    • Water may leak onto the carpeting when performing this procedure. Place a mat on the passenger side floor.
    • Remove the A/C evaporator bracket nut.
    • Remove the A/C evaporator bracket.
    • Remove the bolts from the engine compartment side of the A/C evaporator upper and lower case.
    • Open the case slightly.
    • Remove the A/C evaporator seal.
    • Remove the evaporator. See Fig 1.
    • Transfer the A/C evaporator air filter to the new evaporator.
Fig 1: Exploded View Of Evaporator Core
G00189717Courtesy of GENERAL MOTORS CORP.