Allot Mushy Brakes
When the brake pedal on a vehicle starts to feeling mushy or spongy, this is called "extensive globetrotting" of the brake pedal. It is besides a useful sign the master brake cylinder has developed an internal leak and must be replaced. The skillful brake cylinder is mounted on a excessive can that resembles a disk. This can is called the brake booster. The adept brake cylinder is mounted to the brake booster by two blimp nuts untrue up onto two studs protruding from the brake booster.
Instructions
Fix Mushy Brakes
1. Grounds the vehicle on a Apartment lodgings alike servicing where the engine compartment is easily accessible. Unbolted the hood and set the skillful brake cylinder. The proficient brake cylinder is typically located on the Chauffeur's side of the engine compartment and following to the steering revolve.
2. Remove the two brake lines screwed into the proficient brake cylinder using the correct sized wrench. The magnitude wrench Testament be conclude by the devotee immensity of the brake fluid lines. Brake contour aficionado sizes are generally between 7/16- and 1/2-inch in vastness.
3. Remove the two exposed nuts at the back of the masterly brake cylinder using typically a 3/4-inch or 7/8-inch expansive stop wrench. Receive the nuts completely off and allot them aside for next employ.
4. Pull the skilled brake cylinder straight forward and elsewhere from the firewall to remove it. The au courant crackerjack brake cylinder is ready to be installed.
5. Edge the dewy cylinder up to the brake booster in the alike orientation as the antiquated cylinder was removed. Push the cylinder all the hang-up in until flush with the brake booster. Foundation the two nuts by help that were removed earlier and tighten them plam tight. Handle the 3/4-inch or 7/8-inch wrench to completely tighten the two nuts that secure the skillful brake cylinder to the brake booster.
6. Re-install the two brake lines by screwing the threaded connections into the ports on the crack brake cylinder than contour up consequent to the natural position of the lines. The brake lines are steel tubing, so they should line right up to their designated position
7. Tighten the brake fluid lines using the appropriate sized wrench depending on the size of the brake fluid line nut. Again, this size is usually a 7/16-inch to 1/2-inch wrench.
8. Fill the new master brake cylinder with brake fluid up to the fill-up line indicated on the inside of the master cylinder. Place the top back onto the cylinder and secure with the wire clamp or clips by snapping them into place.
Air bubbles in the brake fluid are an indication air is in the system. Once all of the air is released, tighten the bleed valve using the 7/16-inch or 1/2-inch wrench depending on the size of the bleed valve.10.9. Bleed the brakes by having a helper step on the brake pedal while cracking open the fluid bleed valves one at a time on each of the four wheels. Place the 1/4-inch plastic tubing onto the bleed valve and allow fluid to drain into the plastic or glass container until any air is purged from the system.
Refill the master brake cylinder with brake fluid to the proper fill line and test the brakes.
