Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBUICK1996ROADMASTER BASEREPAIR AND DIAGNOSIS (SINGLE PAGE)SUSPENSIONELECTRONIC SUSPENSIONSUSPENSION - ELECTRONIC LEVEL CONTROLCOMPONENT TESTINGHEIGHT SENSOR TEST
1996 Buick Roadmaster Base
Height Sensor Test
1996 Buick Roadmaster BaseSECTION Height Sensor Test
- Turn ignition off, then on to reset height sensor timer circuit. Raise vehicle on hoist by wheels (alignment rack type hoist) or by rear axle to position vehicle at normal riding height.
- Disconnect link from height sensor metal arm. Ensure height sensor connector is securely connected and ground wire is secure. Move height sensor metal and plastic arm assembly upward. After 8-15 second delay, compressor should turn on and inflate shocks. If compressor does not turn on, go to COMPRESSOR INOPERATIVE under ELECTRICAL TESTING. If compressor turns on and shocks start to inflate, move metal and plastic arm assembly down until compressor just stops.
- Move metal and plastic arm assembly down to point just below where compressor stopped. After 8-15 second delay, shocks should begin to deflate. If shocks do not begin to deflate, go to VEHICLE WILL NOT LOWER under ELECTRICAL TESTING. Reconnect link to height sensor metal arm and lower vehicle.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.