Where is the pushrod on the brake pedal?

Where is the pushrod on the brake pedal?

Slip under the dashboard on the drivers side and look up at the brake pedal. Near the top of the brake pedal arm you will see a threaded pushrod that comes out of a rubber boot or metal housing on the front wall of the car and attaches to the back of the brake pedal arm.

What happens when there is no play on the brake pedal?

If the pedal has no free play then it is constantly engaging the brakes, causing them to drag and wear prematurely. If there is too much play the brakes will feel soft and mushy. Slip under the dashboard on the drivers side and look up at the brake pedal.

What should the height of the brake pedal be?

It should move about 1/8 to 1/4 of an inch before it starts to engage the brakes. If the pedal has no free play then it is constantly engaging the brakes, causing them to drag and wear prematurely. If there is too much play the brakes will feel soft and mushy. Slip under the dashboard on the drivers side and look up at the brake pedal.

Where is the locknut on the brake pedal?

Near the top of the brake pedal arm you will see a threaded pushrod that comes out of a rubber boot or metal housing on the front wall of the car and attaches to the back of the brake pedal arm. There is a locknut on the pushrod at the brake pedal end, and usually at the end near the front wall as well.

How big is the rod in a brake booster?

Regardless of what booster and master combo you have, you need to make sure that the rod that pushes into the master cylinder from the brake booster is adjusted properly. Be sure that when the master cylinder is bolted up tight, the rod protruding from the booster is about 1/16” from making contact with the piston of the master cylinder.

What causes brake drag on a master cylinder?

This will “pre-load” your master cylinder causing your brakes to drag at first and eventually heat up and get worse the further you drive. – If the rod is too short, you will press the pedal but you will not actually be engaging the piston of the master cylinder because the booster rod is not making contact.

Where is the adjustable brake booster screw located?

The screw seen at the center of the booster is adjustable. It can be screwed in or out to give you the proper length to mate up to your master cylinder piston. Sometimes this screw will be too long, even when it is screwed all the way in.

When does the Booster Rod enter the master cylinder?

In a master cylinder with a deep pocket, the rod will have to enter the master cylinder by about 1.5” before making contact. – If the rod is too long, you will notice that the master cylinder does not slide freely up to contact the booster because the booster rod and master cylinder piston are pressing against each other.