Install a Brake Booster
A brake booster is a Slogan that provides additional braking faculty using either an electric or hydraulic mechanism to "boost" the brake function you pay for from stepping on the brake pedal. Brake boosters ofttimes donkeywork on vacuum vigour, however they and employment in tandem with your skilled cylinder--which holds your brake fluid--to push brake fluid over your brake development. Over period, your booster may expand a vacuum leak or fail completely. Whether this happens, you'll require to comprehend install a advanced one.
Instructions
1. Frank the hood and allot the brake booster. This is normally a round-shaped CD approximately 3 to 4 inches in thickness, on the other hand may be larger depending on your vehicle. It Testament be attached to the brake masterly cylinder on the firewall, normally on the Chauffeur's side.
2. Loosen and remove the tube nuts holding the brake contour to the proficient cylinder with the open-ended wrench. There are four of these (four brake lines) that you Testament retain to remove. Assemble decided you conceive notice of where the lines are life disconnected from in that they Testament acquire to be reconnected to the identical existence you removed them from. You may need to practice masking tape and a permanent marker to aim the domicile of where the brake lines came from. You'll get to turn Everyone tube kernel counterclockwise to loosen and be remarkably careful that you discharge not damage the butt end of the peanut while you are loosening it. These nuts, which damage easily, are a critical Element that secures your brake borderline to the crack cylinder.
3. Unbolt the two bolts holding the masterly cylinder to the brake booster and remove the skillful cylinder. Be certain to appropriate the brake fluid that drips and cook not inspire any on your vehicle's stain.
4. Some brake boosters hog bolts that you Testament be able to remove from the firewall. Whether your brake booster has these, unbolt them.
5. Unbolt the five or six--depending on your vehicle--nuts holding the brake booster in country under the sprint behind your vehicle's brake pedal. Some of these may be difficult to reach, but you should be able to get them all with a regular socket wrench. You may have to use a socket extender to reach these nuts on some vehicles.
6. Pull the retaining clip or pin holding the brake booster to the brake pedal. Pull the brake booster out of the firewall and out of the engine bay.8. Lower the new brake booster into the engine bay where the old brake booster used to be. Align the mounting bolts with the holes in the firewall and slide the new brake booster into place so that it sits tight against the firewall.
To do this, pull the clip holding the pin in place using pliers. Then tap the pin out with the end of the pliers. The brake pedal should now be free of the brake booster.7.
9. Align the mounting bracket on the back of the brake pedal with the bracket on the brake booster (inside the vehicle). Slide the retaining pin through both brackets, connecting them together. Replace the clip holding the retaining pin in place. There is a small hole in one end of the pin. Push the retaining clip into this hole.
10. Replace the bolts you removed from the back of the brake booster underneath the dash and behind the brake pedal, and re-tighten them (clockwise). You may need to use a socket extension to reach these bolts.
11. Replace the bolts on the firewall (if your vehicle had them), and re-tighten (clockwise).
12. Slide the back of the master cylinder (there is a hole in the back) over the end of the brake booster piston and slide the master cylinder back until it sits flush against the brake booster.
13. Replace the master cylinder mounting bolts and re-tighten them (clockwise).
14. Replace the tube nuts into the areas where you initially removed them and re-tighten. When tightening tube nuts, turn them counterclockwise until you feel resistance. Then give them an additional one-quarter turn.
