GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2009
🢒
TrailBlazer - 4WD
🢒
HVAC
🢒
Heating, Ventilation, and Air Conditioning
🢒 Evaporator Tube Replacement
Special Tools
•
J 26549-E
Orifice Tube Remover
•
J 39400-A
Halogen Leak Detector
Removal Procedure
Recover the refrigerant. Refer to
Refrigerant Recovery and Recharging
.
Loosen the evaporator tube (5) from the evaporator.
Loosen the auxiliary evaporator tube (7) from the auxiliary piping.
Remove the evaporator tube nut from the condenser.
Remove the nuts (1, 2) retaining the evaporator tube to the fender.
Remove the washer solvent container. Refer to
Windshield Washer Solvent Container Replacement
.
Remove the coolant recovery tank. Refer to
Coolant Recovery Reservoir Replacement
.
Remove the evaporator tube using
J 26549-E
.
Remove the O-ring seal and discard.
Installation Procedure
Install the new O-ring seal. Refer to
O-Ring Replacement
.
Install the evaporator tube.
Caution:
Refer to
Fastener Caution
in the Preface section.
Connect the evaporator tube to the evaporator (5). Tighten the nut to
28 N·m (21 lb ft)
.
Connect the auxiliary evaporator tube to the auxiliary piping. Tighten the nut to
28 N·m (21 lb ft)
Connect the evaporator tube to the condenser. Tighten the nut to
28 N·m (21 lb ft)
Install the coolant recovery tank. Refer to
Coolant Recovery Reservoir Replacement
.
Install the washer solvent container. Refer to
Windshield Washer Solvent Container Replacement
.
Install the nuts (1, 2) retaining the evaporator tube to the fender and tighten to
28 N·m (21 lb ft)
.
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
.