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 MANUALSCHEVROLET1992CAVALIER RS, 2D CONVERTIBLE, 3.1 T, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 12 (DISC BRAKE SYSTEM)OVERHAULBRAKE BOOSTERDISASSEMBLY
1992 Chevrolet Cavalier RS, 2D Convertible, 3.1 T, Standard
Brake Booster: Disassembly
1992 Chevrolet Cavalier RS, 2D Convertible, 3.1 T, StandardSECTION Disassembly
WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 1991 Pontiac Grand Prix, 1991 Oldsmobile Cutlass Supreme, 1991 Chevrolet Lumina, 1991 Buick Regal, and 1990 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
- Remove pushrod boot, silencer, front housing seal, grommet and vacuum check valve.
- Scribe a mark on front and rear housings for reassembly reference. Scribe and unstake staked tabs. Install booster in Adapter (J-35883) and Holding Fixture (J-23456). See Fig 1 .
- Tighten fixture handscrew just enough to allow for housing rotation. Turn fixture handle counter-clockwise until tabs on front housing are moved to unlocked position.
- Remove power piston group, power piston return spring, and power piston bearing. Remove piston rod, reaction retainer and power head silencer.
- Grasp assembly at outside edge of divider and diaphragms. Hold with pushrod down against a hard surface. Use a slight force or impact to dislodge diaphragm retainer.
- Remove primary diaphragm, primary support plate, secondary power piston bearing, housing divider, secondary support plate and diaphragm and power piston assembly.
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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.