GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2009
🢒
Express
🢒
HVAC
🢒
Heating, Ventilation, and Air Conditioning
🢒 Air Conditioning Evaporator Front Tube Replacement
Special Tools
J 39400-A
Halogen Leak Detector
Removal Procedure
Recover the refrigerant from the A/C system. Refer to
Refrigerant Recovery and Recharging
.
Remove the coolant recover reservoir. Refer to
Coolant Recovery Reservoir Replacement
.
Remove the grille. Refer to
Grille Replacement
.
Remove the front evaporator hose nut (1) from the condenser.
Remove the evaporator inlet hose nut (1) from the front evaporator tube hose.
Remove the evaporator inlet hose from the front hose.
Remove the nut from the rear evaporator (If Equipped).
Remove the front evaporator hose from the vehicle.
Remove the sealing washers.
Installation Procedure
Install the new sealing washers. Refer to
Sealing Washer Replacement
.
Install the front evaporator tube into the vehicle.
Install the front evaporator tube to the rear evaporator tube.
Caution:
Refer to
Fastener Caution
in the Preface section.
Install the rear evaporator tube retaining nut (1) (If Equipped) and tighten to
16 N·m (12 lb ft)
.
Install the evaporator inlet hose to the front evaporator tube.
Install the evaporator inlet hose nut to the front evaporator tube and tighten to
16 N·m (12 lb ft)
.
Install the front evaporator tube to the condenser.
Install the front evaporator tube nut (1) to the condenser and tighten to
16 N·m (12 lb ft)
.
Install the grille. Refer to
Grille Replacement
.
Install the coolant recover reservoir. Refer to
Coolant Recovery Reservoir Replacement
.
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
.