GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2009
🢒
Express
🢒
HVAC
🢒
Heating, Ventilation, and Air Conditioning
🢒 Auxiliary Air Conditioning Evaporator Tube with Auxiliary Heater Inlet and Outlet Pipe Replacement
Special Tools
J 38185
Hose Clamp Pliers
Removal Procedure
Remove the engine cooling fan. Refer to
Fan Replacement
.
Remove the accumulator. Refer to
Air Conditioning Accumulator Replacement
Remove the passenger side wheel house splash shield. Refer to
Wheelhouse Splash Shield Replacement
Loosen but DO NOT remove driver side body mount bolts.
Remove passenger side body mount bolts.
Slowly lift the passenger side of the body off the frame, and support.
Remove auxiliary heater hose clamps (1).
Remove auxiliary a/c evaporator nuts (2).
Remove auxiliary a/c and heater hose bracket nuts (3).
Remove auxiliary a/c and heater hose bracket bolt (4).
Remove auxiliary air conditioning evaporator & heater tube assembly (5).
Installation Procedure
Install auxiliary air conditioning evaporator & heater tube assembly
Caution:
Refer to
Fastener Caution
in the Preface section.
Install auxiliary a/c and heater hose bracket bolt (4) and tighten to
6 N·m (5 lb in)
.
Install auxiliary a/c and heater hose bracket nuts (3) and tighten to
7 N·m (6 lb in)
.
Install auxiliary a/c evaporator nut (2) and tighten to
16 N·m (12 lb ft)
.
Install auxiliary heater hose clamps (1).
Install rear auxiliary heater hose clamp (1).
Slowly and carefully lower the passenger side of the body onto the frame.
Install passenger side body mount bolts and tighten to
140 N·m (103 lb ft)
.
Tighten driver side body mount bolts and tighten to
140 N·m (103 lb ft)
.
Install the passenger side wheel house splash shield. Refer to
Wheelhouse Splash Shield Replacement
Lower the vehicle. Refer to
Lifting and Jacking the Vehicle
Install the accumulator. Refer to
Air Conditioning Accumulator Replacement
Install the engine cooling fan. Refer to
Fan Replacement
.