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 MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 584 (ANTI-LOCK BRAKE SYSTEM)REPAIR INSTRUCTIONSBRAKE PRESSURE MODULATOR VALVE (BPMV) BRACKET REPLACEMENTINSTALLATION PROCEDURE
2003 Chevrolet TrailBlazer 4.2 S, 4WD
Installation Procedure
2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation Procedure
WARNING: This page is about a different car, the 2002 Buick Regal and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
- Install the BPMV and EBCM assembly (2) to the BPMV mounting bracket (4).
- Install the BPMV bracket (4) to the strut tower.
- Install the one bolt and three nuts that attach the BPMV mounting bracket (4) to the strut tower.
Tighten:
- Tighten the lower two BPMV mounting bracket nuts (3) and bolt to 10 N.m (89 in lbs).
- Tighten the top nut (1) for BPMV mounting bracket (4) to strut tower to 3 N.m (27 in lbs).
- Reconnect the ground strap between the EBCM assembly and the chassis.
- Turn the ignition switch to the RUN position, engine off.
- Perform the Diagnostic System Check - ABS .
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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.