GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2001
🢒
Express
🢒
HVAC
🢒
HVAC Systems - Manual
🢒 Mode Door Replacement
Mode Door Replacement Upper
Removal Procedure
Remove the IP carrier. Refer to
Instrument Panel Carrier Replacement
in Instrument Panel, Gauges and Console.
Remove the heater module cover screws from the heater module (1).
Remove the heater module cover from the module.
Remove the mode door actuator and the linkage (1)
Mode Actuator Replacement
.
Remove the upper mode door from the heater module (2).
Installation Procedure
Install the upper mode door (2) to the heater module (1).
Install the heater module cover to the heater module (1).
Install the heater module cover screws to the heater module (1).
Tighten
Tighten screws to 1.9 N·m (17 lb in).
Install the upper mode linkage and actuator. Refer to
Mode Actuator Replacement
.
Install the IP carrier to the vehicle. Refer to
Instrument Panel Carrier Replacement
in Instrument Panel, Gages and Console.
Mode Door Replacement Lower
Removal Procedure
Drain the engine coolant. Refer to
Cooling System Draining and Filling
in Engine Cooling.
Remove the heater module from the vehicle. Refer to
Heater Case Replacement
.
Remove the lower mode linkage and actuator. Refer to
Mode Actuator Replacement
.
Remove the heater module cover screws from the heater module (2).
Remove the heater module cover from the heater module (2).
Remove the lower mode door (1) to the heater module (2).
Installation Procedure
Install the lower mode door (1) to the heater module (2).
Install the heater module cover to the heater module (2).
Install the retaining screws into the heater module (2).
Tighten
Tighten screws to 1.9 N·m (17 lb in).
Install the lower mode linkage and actuator. Refer to
Mode Actuator Replacement
.
Install the heater module to the vehicle. Refer to
Heater Case Replacement
.
Fill the engine coolant. Refer to
Cooling System Draining and Filling
in Engine Cooling.