Where are the outlet ports in a hydraulic brake system?
FLOW SWITCH SEAL BOOSTER OUTLET PORT INTLET PORT SEAL BOOSTER HOUSING TO BACkUP PUMP INTERFACE BOOSTER TO MASTER CyLINDER INTERFACE RESERVOIR TO BODy INTERFACE MASTER CyLINDER OUTLET PORTS NOTE: Use appropriate brake component and vehicle manufacturer’s service manual for all repair work.
Where is the hydraulic power brake reservoir located?
The pressure supply valve is mounted on the HCU behind the accumulator. The pressure supply valve may be replaced without replacing the entire HCU. �The dual circuit HCU reservoir holds the hydraulic brake fluid. The reservoir may be replaced without replacing the entire HCU. Figure 1.1 Figure 1.2 4004474b
What are the switches on a hydraulic brake system?
FLUID LEVEL INDICATOR SWITCH DIFFERENTIAL PRESSURE SWITCH FLOW SWITCH HARNESS GROUND (OPTIONAL) FLOW SWITCH RELAy CHASSIS GROUND IGNITION SWITCH BACkUP PUMP NOTE: Use appropriate brake component and vehicle manufacturer’s service manual for all repair work.
Where is the pump motor relay on a vacuum tree?
Locate the pump motor relay. It is the front relay inside the plastic housing under the vacuum tree that has T/Y, GY/R, GY/Y and PK/LB wires going to it. Pull it out of the plastic housing and remove the relay from its socket. If the pump motor stops running, replace the pump motor relay.
Where is the relay on a parking brake?
This is NOT an electrical relay – – it is a purely mechanical device utilizing either one, or two levers (depending on how the parking brake is configured). This lever relay is located on the DRIVER SIDE frame rail, near the transmission.
Locate the pump motor relay. It is the front relay inside the plastic housing under the vacuum tree that has T/Y, GY/R, GY/Y and PK/LB wires going to it. Pull it out of the plastic housing and remove the relay from its socket. If the pump motor stops running, replace the pump motor relay.
Where is the parking brake pump located on a J71 RV?
The PARKING BRAKE PUMP ASSEMBLY is located on a component box on the passenger side of the vehicle on 1999 and 2000 model year chassis. The component box is on the inside of the right frame rail behind the transmission. On 2001 and 2002 models, the pump assembly was moved to the front driver’s side of the radiator core support.
How do you test electro hydraulic braking system?
To test it, turn the key off, pump brake pedal 20 or so times, and turn the key to RUN. BRAKE and ABS lights should be on and the pump motor should be running. The pump motor should run for roughly 30 to 45 seconds, and several seconds before the pump shuts off, the BRAKE and ABS lights should go off.