OEM 2008 Buick LaCrosse TPMS Sensor

2008 Buick LaCrosse TPMS Sensor Parts and Q&A

• Q: How to replace the TPMS Sensor on 2008 Buick LaCrosse?

  A: The replacement procedure for a Tire Pressure Indicator Sensor begins with a proper vehicle elevation on suitable support. Extract the tire/wheel assembly from the vehicle's framework. Before moving the tire from the wheel position its nickel-plated sensor valve and aluminum cap on a clean surface to avoid corrosion. The replacement materials should not be used for tirePressure Indicator Sensor or its components. The correct bead breaking method requires anglings the bead breaking fixture 90 degrees toward the valve stem while starting the tire iron or pry bar slightly clockwise of the sensor body while prying the tire bead loose. Use the tire machine to rotate the tire/wheel assembly clockwise until the tire bead reaches the wheel rim's outside edge before repeating this procedure for the bead on the inside. Eliminate all tire sealant evidence from the inside surface of removed tires as well as wheel surfaces after removal. To proceed with the installation you must first detach both the tire pressure sensor nut and sensor. Installation begins by cleaning the grommet sealing area before inserting the sensor into its wheel hole with the air passage directed toward the outside of the wheel. Assemble the sensor body parallel to the inner wheel surface before tightening it to 7 N.m torque (62 lb in). Starting with the mounting/dismounting head positioned at 180 degrees from the valve stem and the bead transition area located 45 degrees counterclockwise from the valve stem, charge the tire/wheel assembly through a clockwise rotation to embed the tire bead internally before repeating the process for the outside bead. The tire requires direct installation onto the wheel and users should know that replacement tire pressure sensors arrive in OFF mode so the sensor must reach 40 km/h (25 mph) for at least ten seconds of tire/wheel rotation to activate the roll switch. The process ends by putting the tire/wheel assembly onto the vehicle before lowering it down then teaching the tire pressure sensors.