What happens when you put new brake shoes on a drum?
What happens when you put new brake shoes on a drum?
There should be a detent or latching cam on the Operating Lever Assembly that the adjuster spring connects to. The adjuster needs to be reset in order to put the drums on. The purpose is to keep the face of the brake shoes near the surface of the drum as the brake shoes wear. This adjuster needs to be reset when new shoes are installed.
Where are the holes in the rear brake shoe?
To use in the two threaded holes 180° from each other on rear drum used for drum removal. The holes are not to hold the drum at all or there would be bolts in the holes!
How do you adjust a drum brake on a car?
Adjust the brake shoes by turning the adjuster, or by using the adjuster tool, one increment at a time until the drum slides over the brake shoes and onto the hub properly without excessive resistance. Step 3: Make final adjustments to the brake drum.
How are rear disc brakes and drum brakes different?
On drum brakes the emergency brake job is done by the rear brake shoes. A mechanical activation system of the emergency brake uses the same principle of forcing the shoes outward against the drum helping to hold the car in place. Vehicles with rear disc brakes will use a smaller drum brake in the center of the rotor for the emergency brake.
There should be a detent or latching cam on the Operating Lever Assembly that the adjuster spring connects to. The adjuster needs to be reset in order to put the drums on. The purpose is to keep the face of the brake shoes near the surface of the drum as the brake shoes wear. This adjuster needs to be reset when new shoes are installed.
How can you get drum over new shoes?
We used to contour the shoes to fit the drums, this is necessary for the brakes to work with full efficiency. If you do not have a brake lathe there are other ways to do it. One guy got some sandpaper or plumber’s roll at the hardware store, stuck it on the inside of the drum and rubbed the shoes against it.
When do I need to Reset my Drum adjuster?
The adjuster needs to be reset in order to put the drums on. The purpose is to keep the face of the brake shoes near the surface of the drum as the brake shoes wear. This adjuster needs to be reset when new shoes are installed.
Why are my brake shoes not the right size?
You can get the wrong brake shoes in a box with the correct part number. And after it’s happened to you a few times, you learn to match the new with the old. I did try to reset the Operating Lever Assembly an it made no difference in allowing the drum back on. The lever has teeth on both pieces and pivots in and out.
Why are my drum brakes not working properly?
Loosely adjusted shoes will not work correctly and may even result in problems with the parking brake, while excessively tight shoes will cause excessive drag that can overheat and damage the drums and shoes. Locate the adjuster access port, which is usually on the inside of the hub.
When do I need to replace my brake shoes?
If they have a thickness of anything less than 1/16th of an inch, the brake shoes should be replaced. Brake drums – Inspect the drum for scoring, cracking, or grooving. Brake fluid leaks – While you’re inspecting the shoes and drums, you’ll also want to check the wheel cylinders. If they are leaking brake fluid then they should be replaced.
Loosely adjusted shoes will not work correctly and may even result in problems with the parking brake, while excessively tight shoes will cause excessive drag that can overheat and damage the drums and shoes. Locate the adjuster access port, which is usually on the inside of the hub.
Even minor blemishes on the machined surface will wear the brake shoes faster than if you just bust the glaze off of it. The drums only need replacing if they are deeply cracked or oversize. Properly adjusted drums last for several sets of shoes.
On drum brakes the emergency brake job is done by the rear brake shoes. A mechanical activation system of the emergency brake uses the same principle of forcing the shoes outward against the drum helping to hold the car in place. Vehicles with rear disc brakes will use a smaller drum brake in the center of the rotor for the emergency brake.
