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 MANUALSCHEVROLET1997ASTRO VAN 2WD V6-4.3L VIN WREPAIR AND DIAGNOSISRELAYS AND MODULESRELAYS AND MODULES - BRAKES AND TRACTION CONTROLELECTRONIC BRAKE CONTROL MODULEADJUSTMENTS
1997 Chevrolet Astro Van 2WD V6-4.3L VIN W
Electronic Brake Control Module: Adjustments
1997 Chevrolet Astro Van 2WD V6-4.3L VIN WSECTION Adjustments
CALIBRATION FOR TIRE SIZE
The Four Wheel Antilock (4WAL) Electronic Brake Control Module (EBCM) is capable of accepting wheel speed signals from several different size tire and wheel combinations. All vehicles are preprogrammed from the factory with the proper front tire size calibration. Whenever the 4WAL EBCM is replaced, it is necessary to reset the tire size calibration. Once programmed, this calibration will remain even if the battery is disconnected or the EBCM is removed from the vehicle.
The Four Wheel Antilock (4WAL) Electronic Brake Control Module (EBCM) is capable of accepting wheel speed signals from several different size tire and wheel combinations. All vehicles are preprogrammed from the factory with the proper front tire size calibration. Whenever the 4WAL EBCM is replaced, it is necessary to reset the tire size calibration. Once programmed, this calibration will remain even if the battery is disconnected or the EBCM is removed from the vehicle.
RENDER: 1.0x
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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.