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 MANUALSISUZU2006ASCENDER S, 5.3 M, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 417 (SUSPENSION CONTROL SYSTEM - AUTOMATIC LEVEL CONTROL)REPAIR INSTRUCTIONSAIR SPRING SENSOR CALIBRATION

2006 Isuzu Ascender S, 5.3 M, 4WD

Air Spring Sensor Calibration

2006 Isuzu Ascender S, 5.3 M, 4WDSECTION Air Spring Sensor Calibration

WARNING: This page is about a different car, the 2008 Isuzu Ascender, 2008 GMC Envoy, and 2008 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
Remove the rear tire and wheels. Refer to Tire and Wheel Removal and Installation .
Lower the vehicle with the rear axle supported by the jackstands.

Fig 1: Measuring Rear Ride Height (D Height)

Courtesy of GENERAL MOTORS CORP.

Raise or lower the vehicle until the D-height measurement is 25 mm (1 in) above the published D-height specification, 135 mm (5.33 in) for the Trailblazer SS or 160 mm (6.33 in) for all other vehicles.
Turn the ignition key to the ON position. This will partially deflate the air spring.
After two minutes, turn the ignition key to the OFF position and remove the air suspension fuse. Refer to Electrical Center Identification Views .

Fig 2: View Of D-Height Gage Block

Courtesy of GENERAL MOTORS CORP.

RENDER: 1.0x

NO RELATED

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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.