Tools Required
J 39400-A Halogen Leak
Detector
Removal Procedure
- Recover the refrigerant from the A/C system. Refer to
Refrigerant Recovery and Recharging
.
- Remove the air cleaner. Refer to the appropriate procedure:
• | Caterpillar® 3126 Unit Repair Manual |
- Remove the right wheelhouse panel. Refer to
Wheelhouse Panel Replacement
in Body Front End.
- Remove the retaining bolt (2) from
the evaporator inlet tube bracket (3).
- Remove the retaining nut (3) from
evaporator inlet tube (5).
- Remove the sealing washer.
- Disconnect the evaporator tube fitting (3)
from the evaporator hose fitting (2).
Installation Procedure
Notice: Refer to Fastener Notice in the Preface section.
- Connect the evaporator tube fitting (3) to the evaporator hose fitting (2).
Tighten
Tighten the fittings to 35 N·m (18 lb ft).
- Install the new seal washer. Refer to
Sealing Washer Replacement
.
- Install the evaporator inlet tube to the
evaporator.
- Install the evaporator tube retaining nut (3).
Tighten
Tighten the nut to 16 N·m (12 lb ft).
- Install the retaining bolt to the evaporator
inlet tube bracket (3).
Tighten
Tighten the bolt to 9 N·m (60 lb in).
- Install the air cleaner. Refer to the appropriate procedure:
• | Caterpillar® 3126 Unit Repair Manual |
- Install the right wheelhouse panel. Refer to
Wheelhouse Panel Replacement
in Body Front End.
- Evacuate and recharge the A/C system. Refer to
Refrigerant Recovery and Recharging
.
- Leak test the fittings of the components using the J 39400-A
.