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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1524 (Tire Pressure Monitoring System) >> Repair Instructions >> Tire Pressure Sensor Grommet Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise the vehicle on a suitable support. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the tire/wheel assembly from the vehicle. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
    3. IMPORTANT: Before the tire is removed from the wheel, care must be given with the following items to avoid the tire pressure sensor damage upon tire dismounting.
    • Place the sensors cap and valve on a dry clean surface after removal, the cap is aluminum and the valve is nickel plated to prevent corrosion and are not to be substituted with a cap or valve made of any other materiel.
    • When using the tire machine to separate the tire bead from the wheel, position the bead breaking fixture 90 degrees from the valve stem.
    • When removing the tire from the wheel, maintain a tolerance between the tire machine fixture, or irons, tire bead and the sensor.
  3. Remove the tire from the wheel. Refer to Tire Mounting and Dismounting in Tires and Wheels.
    4. Fig 1: View Of Tire Pressure Sensor
    GM65674Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: If any tire sealant is noted upon tire dismounting, replace the sensor. Refer to Tire Pressure Sensor Replacement . Also remove all residual liquid sealant from the inside of the tire and wheel surfaces.
  4. Remove the tire pressure sensor nut.
  5. Remove the sensor from the wheel.
  6. Remove the grommet from the sensors valve stem.
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