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 MANUALSCHEVROLET1996LUMINA APV VAN PASSENGERREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLANTI-LOCK BRAKE SYSTEMREMOVAL & INSTALLATIONHYDRAULIC MODULATOR & MASTER CYLINDER ASSEMBLYINSTALLATION
1996 Chevrolet Lumina APV Van Passenger
Hydraulic Modulator & Master Cylinder Assembly: Installation
1996 Chevrolet Lumina APV Van PassengerSECTION Installation
- To assemble master cylinder and hydraulic unit, lubricate NEW transfer tube "O" rings and NEW through-bolt "O" rings with clean brake fluid. Install NEW transfer tubes with "O" rings into hydraulic modulator. Install NEW through-bolt "O" rings into master cylinder and hydraulic modulator.
- Clamp mounting flange of master cylinder in a soft-jawed vise. Assemble master cylinder to hydraulic unit. Ensure transfer tubes and "O" rings are not damaged during assembly. Tighten hydraulic modulator-to-master cylinder through-bolts to specification. See TORQUE SPECIFICATIONS .
- Place master cylinder and hydraulic modulator assembly upside-down with gears facing you, rotate each gear counterclockwise until movement stops. Rotating gears counterclockwise will position pistons very close to top of hydraulic modulator bore, making brake bleeding easier.
- To complete assembly, reverse disassembly procedure. Ensure motor pack gears are aligned with hydraulic modulator gears. Bleed brake system. See BLEEDING BRAKE SYSTEM .
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.