GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1999 🢒 Chevy K Silverado - 4WD 🢒 Body and Accessories 🢒 Exterior Trim 🢒 Evaporator Tube Replacement

Removal Procedure
  1. Recover the refrigerant. Refer toRefrigerant Recovery and Recharging .
  2. Remove the upper radiator baffle.

    3. Object Number: 385463 Size: SH
  3. Remove the evaporator pipe from the evaporator.
  4. Remove the air conditioning (A/C) compressor hose from the condenser. Refer to Compressor Hose Assembly Replacement .

    5. Object Number: 363033 Size: SH
  5. Remove the evaporator pipe from the condenser.
  6. Remove the evaporator pipe.
  7. Discard all of the used sealing washers. Cap all of the open connections.

Installation Procedure
  1. Install the evaporator pipe using new sealing washers.

    2. 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.


    Object Number: 363033 Size: SH
  2. Install the evaporator pipe to the condenser.

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

  3. Install the air conditioning compressor hose to the condenser. Refer to Compressor Hose Assembly Replacement .

    4. Object Number: 385463 Size: SH
  4. Install the evaporator pipe to the evaporator.

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

  5. Install the upper radiator baffle.
  6. Recharge the air conditioning system. Refer toRefrigerant Recovery and Recharging .