### Power Brake Booster

#### REMOVAL & INSTALLATION

NOTE: Make sure all vacuum lines and connectors are in good condition. A small vacuum leak will cause a big problem in the power brake system.

1. Disconnect the negative battery cable. Remove the master cylinder mounting nuts and pull the master cylinder assembly (brake lines connected) away from the power booster.
2. Detach the vacuum lines from the booster.
3. Detach the booster pushrod at the pedal clevis.
4. Unbolt the booster from under the dash and lift it out of the engine compartment.

   To install:

5. Install the brake booster assembly to the vehicle. Install the master cylinder assembly to brake booster assembly.
6. Connect the booster pushrod to the pedal clevis. Connect the vacuum lines to brake booster.
7. Connect the battery. Start the engine and check brake operation.

   Fig. 1: Brake booster and pedal assembly — 1989 240SX

   Fig. 2: Brake booster assembly — late model 200SX

   Fig. 3: Check condition of the vacuum hose on power brake booster