You need to take the air cleaner off. Then disconnect the vacuum hose going to your brake booster at the check valve point. There is a valve (EGRC-BRT) next to the EGR remome the the clamp on the braket that is holding the brake booster hose and swing it out of your way. Next you need to remove the vacuum hose from the EGRC-BRT valve and remove the valve nad the bracket that hold the vave. Now you can get to the EGR pipe which attaches to the EGR. Remove the pipe then remove the the bolts that hold the EGR valve.
The vacuum port for a brake booster typically uses a 1/4-inch NPT (National Pipe Thread) size. However, it's essential to verify the specific requirements for your vehicle, as variations may exist based on the make and model. Always consult your vehicle's service manual or specifications for accurate thread size information.
unhook the 4 brake lines and the wires from the master cylinder/ABS, take off the 2 15MM nuts holding the unit to the booster, remove the unit, take off the exhaust shield for the crossover pipe, move the cruise control unit out of the way, remove the pin and take the rod off of the brake pedal, twist the booster counter clockwise until it pops loose from the firewall. you may have to remove a few things to get the exhaust shield off easier.
As you said when you tramp brake engine idles ruf and then cuts out 2 things 1 return valve in brake vacuem pipe from intake to booster 2 Brake booster sucking air
That is what is called a vacuum tree. The large connection is for the power brake booster. One smaller one is for the transmission modulator and the third one is for the air conditioner.
In a Vectra 2.0 diesel, the vacuum pipe typically goes into the bulkhead near the driver's side, specifically around the area where the brake booster and master cylinder are located. It connects to the vacuum system that assists in braking and may also interface with other components, such as the climate control system. Ensure to check the specific routing in the vehicle's service manual for precise details.
· A very large brake piston and cylinder are required to generate the force necessary on the brake blocks. · The existence of vacuum in the train pipe can cause debris to be sucked in · A considerable volume of air has to be admitted to the train pipe to make a full brake application
The vacuum pipe that connects to the inlet manifold is typically located on the intake manifold of an engine, usually near the throttle body or the intake manifold runners. It is often a small rubber or plastic hose that draws vacuum from the manifold for various systems, such as the brake booster or emissions control components. Its specific position can vary depending on the vehicle make and model. Always consult the vehicle's service manual for precise location details.
Two things come to mind. Blocked exhaust system or large vacuum leak. Check the entire exhaust for a bent pipe. If this checks OK, then check the large vacuum hose going to the brake booster. If your brake pedal is hard to push, suspect the booster is defective. A blocked or plugged exhaust would be what I would suspect as the culprit. The catalytic converter may be stopped up and need replacing or the tail pipe can be bent closed.
A brake pipe is an important part of a car. It is available in rolls of 25 foot long. Cars where the brake pipe is damaged are a danger in traffic. A good working brake pipe is important for the brakes.
To change a brake pipe on a Citroën Xsara Picasso, first, ensure the vehicle is safely lifted and supported. Release the brake fluid pressure and disconnect the old pipe by removing the fittings at both ends using appropriate tools. Replace it with a new brake pipe, ensuring all connections are secure and leak-free, and then bleed the brake system to remove any air. Finally, check the brake fluid level and test the brakes before driving.
hi u could hav a leak on u vacuum pipe from u engine to the brake servo or u brake servo is faulty