Body VIN 3 / GMT 360

EXPANSION (ORIFICE) TUBE REPLACEMENT (BODY VIN CODE 3)

TOOLS REQUIRED
- J 26549-E Orifice Tube Remover
- J 39400-A Halogen Leak Detector

REMOVAL PROCEDURE
1. Recover the refrigerant.
2. Remove the accumulator.
3. Remove the coolant reservoir.







4. Remove the evaporator tube nut (3) at the evaporator (1).
5. Remove the evaporator tube (4) from the evaporator (1).







6. Remove the O-ring seal and discard.
7. Remove the nut from the evaporator tube block fitting.
8. Separate the evaporator tubes (4,6) at the block fitting.
9. Use the J 26549-E in order to remove the expansion tube.
10. Remove the expansion tube from the evaporator tube (6).


INSTALLATION PROCEDURE







1. Use the J 26549-E in order to install the expansion tube.

IMPORTANT: Install the shorter screen end of the expansion tube into the evaporator tube (6) first.

2. Install the new O-ring seal.
3. Assemble the evaporator tubes (4,6).
4. Install the evaporator tube nut.

NOTE: Refer to Fastener Notice in Service Precautions.
Vehicle Damage Warnings

Tighten
Tighten the nut to .....28 N.m (21 lb ft).







5. Connect the evaporator tube (4) to the evaporator (1).
6. Install the nut (3).

Tighten
Tighten the nut to .....28 N.m (21 lb ft).

7. Install the coolant reservoir.
8. Install the accumulator.
9. Recharge the refrigerant system.
10. Leak test the fittings of the components using the J 39400.