What causes uneven drum brake wear?
What causes uneven drum brake wear?
In some cases, brake rotors can wear unevenly, causing what’s known as Disc Thickness Variation (DTV). DTV can be caused by different factors, such as sticking calipers, rust, slamming on the brakes frequently, or dirt and debris getting stuck between the pad and the rotor.
What do the backing plates on drum brakes look like?
The brake shoes in those systems have a backing plate to which the friction surface is glued or riveted. They are shaped like commas, whereas the brake backing plates found in drum brakes look more like shallow dishes with holes used for fasteners.
How are the brake shoes on a drum wheel?
With drum brake systems, each wheel has two curved brake shoes mounted on the stationary backing plate. The brake shoes are shaped like the letter C with friction material on the outside curve. They’re attached to either side of the brake plate. This assembly is, in turn, mounted inside a cast-iron drum that rotates along with the wheel.
How does the back plate on a car work?
When the driver pushes down on the brake pedal, this places pressure on the hydraulic fluid in the brake lines. At the top of the backing plate is a wheel cylinder containing two pistons, one at either end.
What happens if you don’t have backing plates on your brakes?
Which means that without the backing plates, the brakes would have nothing to hold on to. In order for friction to stop the vehicle, the brake shoes must be firmly fixed — that’s where this particular brake part comes in. There can be some confusion around the term “backing plate,” as it can also refer to a part used in disc brake systems.
Are there any Dorman drum brake backing plates?
Dorman 13867 HELP! Brake Backing Plate . Only 17 left in stock – order soon. . . Only 19 left in stock (more on the way). . . Only 5 left in stock – order soon. APDTY 24978 Brake Backing Plate- 1992-78 Models W/ 9-1/2In. Drum Brakes.
What is the backing plate for brake shoes?
Vehicle Specific Dorman Backing Plate – Brake Shoe Part Number: 924-214 Warranty: 3 months Notes: Rear. 9.5″, 10.5″ or 11.5″ ring gear.
How much does a drum brake plate cost?
Backing plates in this area run from $15 to $25. And $25 plate isn’t any better quality then a $15 plate. All of mine (4) required the little pad areas on the backing plates to be built up by welding and then grinding smooth. I managed to buy the “retainer’s” as new parts, but it was a bear to find them.
How do you put drum brakes on a Dana 44?
If you want to use ’72-’75 front backing plates on a flanged axle Dana 44 rear there are two bolt holes that must be drilled (per backing plate) and the center hole needs to be opened up for the axle/wheel bearing and seal to pass through but can be done with a die grinder/dremel and the two holes are easy enough to mark and drill.
