Navigator 4WD V8-5.4L DOHC VIN A (2000)
Vacuum Brake Booster Check Valve: Service and Repair
Removal
1. Remove the brake master cylinder.
2. Disconnect the power brake booster hose.
1. Compress the clamp.
2. Disconnect the power brake booster hose.
3. Remove the stoplight switch self-lock pin (00923-10810).
4. Slide the stoplight switch (13480), booster push rod (2005) and the bushing (2471) off the brake pedal pin.
5. Remove the bulkhead sound insulator.