Power Brake Assist: Service and Repair

REMOVAL/INSTALLATION

1. Remove master cylinder, refer to MASTER CYLINDER.
2. Disconnect brake booster clevis pin on brake pedal.
3. Disconnect check valve hose at power booster.
4. On 1991-92 Sentra & NX Coupe models with GA16DE engine, remove intake manifold.
5. On all models, remove booster attaching nuts, then brake booster.
6. Reverse Procedure to install, noting the following:
a. Check and adjust output rod, refer to ADJUSTMENT PROCEDURES/OUTPUT ROD.
b. Bleed system, refer to MAINTENANCE PROCEDURES/HYDRAULIC BRAKES.

OVERHAUL

These units cannot be overhauled, it must be replaced as a unit.