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:
ACTIVE SUSPENSION SYSTEM
active suspension systems move each wheel up and down to control body motion
in response to road
abnormalities. The system responds to inputs from the road and the driver. With
an active suspension, a
vehicle can simultaneously provide the smooth ride of a soft suspension
Fig. 92: Headliner Trim Panel Retainers
With the aid of an assistant, position the headliner trim panel assembly
(2) into the vehicle through the
liftgate opening.
Connect the electrical connectors to the headliner trim panel assembly
(2).
Tape any unused connectors to the headliner with