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 MODULESERVICE AND REPAIRREPLACEMENT
1997 Chevrolet Astro Van 2WD V6-4.3L VIN W
Replacement
1997 Chevrolet Astro Van 2WD V6-4.3L VIN WSECTION Replacement
Electronic Brake Control Module (ECBM):
Remove or Disconnect
1. Negative battery cable.
2. Four electrical connectors.
3. Four T-25 Torx bolts.
4. Electronic Brake Control Module (EBCM) from Brake Pressure Modulator Valve (BPMV). A light amount of force may be necessary to remove the EBCM.
NOTE:
- Do not pry on the EBCM or BPMV with a mechanical aid. Excessive force will cause damage to the EBCM.
- Do not reuse the EBCM gasket or mounting bolts. Always install a new gasket, and mounting bolts with a new EBCM.
- Clean Top of the BPMV with a clean, dry cloth.
Install or Connect
1. New EBCM gasket onto BPMV.
NOTE: Do not use RTV or any other type of sealant on the EBCM gasket or mating surfaces.
2. EBCM to BPMV.
- Inspect gasket for correct alignment.
3. Four new EBCM bolts.
- Tighten to 5 Nm (39 inch lbs.) in an X pattern.
4. Four electrical connectors.
5. Negative battery cable.
6. Verify bulb check.
7. Revise tire calibration using Scan Tool.
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.