Chevrolet Trax: Tire pressure indicator sensor replacement
Removal Procedure
- Raise the vehicle on a suitable support. Refer to Lifting and Jacking
the Vehicle .
- Remove the tire/wheel assembly from the vehicle. Refer to Tire and Wheel
Removal and Installation .
- Dismount the tire from the rim. Refer to Tire Dismounting and Mounting
Fig. 1: View Of Tire Pressure Indicator Sensor
NOTE: When servicing the tire pressure sensor always use a new
Schrader tire pressure monitoring (TPM) sensor and a new TORX screw during
installation.
- Remove the TORX screw (1) from the tire pressure sensor (2) and pull it
straight off the tire pressure
valve stem (3).
CAUTION: Do not scratch or damage the clear coating on aluminum wheels
with
the tire changing equipment. Scratching the clear coating could
cause the aluminum wheel to corrode and the clear coating to peel
from the wheel.
- Remove the tire pressure valve stem by pulling it through the rim.
Installation Procedure
Fig. 2: View Of Tire Pressure Indicator Sensor
CAUTION: Refer to Fastener Caution .
NOTE:
- Ensure the flat of the valve, lines up with the flats of the snap in
the
enclosure.
- TPM valves and TORX screws are single use items.
- Assemble the tire pressure sensor (2) to the valve stem and install the
new TORX screw (3), tighten to 1.3
N.m (11.5 lb in).
NOTE: Use an approved tire mounting lubricant. DO NOT use
silicon or corrosive
base compounds to lubricate the tire bead and the wheel rim. A corrosive
type compound can cause tire or rim deterioration.
- Apply tire soap to the rubber portion of the valve stem (1).
Fig. 3: View Of Tire Valve Stem Mounting Tool
- Using a tire valve stem mounting tool, pull the valve stem through in a
direction parallel to the valve hole
on the rim.
NOTE: Snap Fit TPM sensors are shipped in the OFF mode. The sensor
will exit its OFF state when the tire is inflated.
- Mount the tire to the rim. Refer to Tire Dismounting and Mounting .
- Install the tire/wheel assembly on the vehicle. Refer to Tire and Wheel
Removal and Installation .
- Lower the vehicle.
- Learn the tire pressure sensors. Refer to Tire Pressure Indicator Sensor
Learn.
READ NEXT:
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 DESCRIPTION AND OPERATION
Tire Pressure Monitoring Block Diagram
Fig. 4: Tire Pressure Monitoring System Wiring Schematic
Special Tools
EL-46079/J-46079 Tire Pressure Mon
SEE MORE:
Do a safety check before
proceeding. See If a Tire Goes
Flat
Remove the wheel cover, if the
vehicle has one, to reach the
wheel bolts.
Turn the wheel wrench
counterclockwise to loosen the
wheel nuts. Do not remove
them yet.
Place the jack at the position
marked with a half c
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
approach.
Diagnostic Procedure Instructions provides an overview of each
diagnostic category
DTC Descriptors
DT