GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2009
🢒
Express
🢒
HVAC
🢒
Heating, Ventilation, and Air Conditioning
🢒 Air Conditioning Evaporator Tube Replacement - Outlet
Air Conditioning Evaporator Tube Replacement - Outlet C69
Special Tools
J 39400-A
Halogen Leak Detector
Removal Procedure
Recover the refrigerant from the system. Refer to
Refrigerant Recovery and Recharging
.
Remove the engine cover. Refer to
Engine Cover Replacement
.
Remove the auxiliary evaporator outlet tube (1) from the compressor hose (3).
Remove the retaining nut form the engine.
Raise and support the vehicle. Refer to
Lifting and Jacking the Vehicle
.
Remove the auxiliary evaporator tube (1) retaining nuts (2) from the body.
Remove the bolt retaining the auxiliary evaporator outlet tube to the transmission bracket.
Remove the auxiliary evaporator outlet tube from the auxiliary evaporator.
Remove the evaporator tube from the vehicle.
Installation Procedure
Caution:
Refer to
Fastener Caution
in the Preface section.
Connect the evaporator tube (1) to the auxiliary evaporator core and tighten the hose fitting to
48 N·m (35 lb ft)
.
Install the evaporator tube retaining nuts (2) to the engine and the body and tighten to
6 N·m (53 lb in)
.
Install the bolt retaining the hose (1) to the transmission bracket and tighten to
5 N·m (44 lb in)
.
Lower the vehicle.
Install the auxiliary evaporator outlet tube to the compressor hose and tighten the fitting to
48 N·m (35 lb ft)
.
Install the engine cover. Refer to
Engine Cover 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
.