Chevrolet Trax: Mode control cam alignment (C60)
Alignment Procedure
NOTE: The HVAC module must be removed to accurately set the mode
cam gear
timing. Failure to do so may result in poor HVAC performance, and
damage to the HVAC module.
- Remove the heater and air conditioning evaporator and blower module
assembly (HVAC). Refer to
Heater and Air Conditioning Evaporator and Blower Module Removal and
Installation .
- Remove the mode control cam. Refer to Mode Control Cam Replacement
(C60).
Fig. 13: Mode Cam Screw And Mode Cam
- Remove the mode cam screw (1) and the mode cam (2) from the HVAC module.
- Inspect the mode valve levers and internal vent valve operation prior to
installing the new mode control
cam assembly.
- Replace the components affecting the proper operation of the vent valves.
Fig. 14: Defrost Valve Lever, Vent Valve Lever And Heater Valve Lever
- Rotate the defrost valve lever (1), and vent valve lever (2) clockwise,
and heater valve lever (3) counter
clockwise to the position shown.
- Using a small brush, apply a lithium based lubricant to the channels of
the heater cam, and the mode cam
where the levers travel.
Fig. 15: Heater Cam, Heater Valve Lever Pin And Mode Control Cable End
- Install the heater cam (1) aligning the channel on the back side heater
cam with the heater valve lever pin
(2).
- Install the mode control cable end (3) into the heater cam, aligning the
large male tooth gear on the mode
control cable end with the larger heater cam female tooth gear as indicated
by the arrows (4).
CAUTION: Refer to Fastener Caution .
- Install the mode control cable end screw (5).
Fig. 16: Control Knob Vent Mode Position
NOTE: If the heater cam is not aligned to heater valve lever pin
correctly, the
mode control knob will not function properly.
- Turn the control knob on the heater and air conditioning control head to
the vent mode position as
indicated by the arrow (1).
Fig. 17: Mode Cam, Defroster Valve Lever Pin, Vent Valve Lever Pin, Mode
Control Cam And Large Male Tooth
- Install the mode cam (1) aligning the channels on the back side mode cam
with the defroster valve lever
pin (2), and the vent valve lever pin (3). The pins should be visible
through the inspection windows.
- Verify that the large female tooth on the mode control cam (4) is
aligned with the large male tooth (5) on
the heater cam.
- Install the mode cam screw (6).
MODE CONTROL CAM ACTUATOR REPLACEMENT (C67)
Fig. 18: Mode Control Cam Actuator
Mode Control Cam Actuator Replacement (C67)
SUN LOAD TEMPERATURE SENSOR BEZEL REPLACEMENT
Fig. 19: Sun Load Temperature Sensor Bezel
Sun Load Temperature Sensor Bezel Replacement
SUN LOAD TEMPERATURE SENSOR REPLACEMENT
Fig. 20: Sun Load Temperature Sensor
Sun Load Temperature Sensor Replacement
READ NEXT:
MANUAL HVAC DESCRIPTION AND OPERATION
The air temperature and the air delivery description and operation are
divided into five areas:
HVAC Control Components
Air Speed
Air Delivery
Heating and A
SEE MORE:
Special Tools
EL-46079 Tire Pressure Monitor Diagnostic Tool
EL-50448 Tire Pressure Monitor Sensor Activation Tool
For equivalent regional tools, refer to Special Tools.
Learn Mode Description
The tire pressure monitor system uses the instrument cluster, body control
module (BCM), 4 radio frequ
If this vehicle came with a full-size
spare tire, it was fully inflated when
new, however, it can lose air over
time. Check the inflation pressure
regularly. See Tire Pressure and Vehicle Load Limits for information
regarding proper tire inflation and
loading the vehicle. For instructions
on how to