What is the ABS unit for front disc brakes?
REFER to Section 206-03 for front disc brakes or Section 206-04 for rear disc brakes. Loose brake disc shield. TIGHTEN the brake disc shield bolts to specification. REFER to Section 206-03 for front disc brakes or Section 206-04 for rear disc brakes. ABS hydraulic control unit.
Why are my brake shoes square with the drum?
The shoe lands or “bosses” are an often overlooked item when looking for the cause of a rear wheel lockup condition. The shoe lands keep the brake shoes square with the drum and provide a friction surface for the shoes to move against.
What to do if you have a loose disc brake?
CHECK the brake pads for missing clips or broken springs. INSTALL new components as necessary. REFER to Section 206-03 for front disc brakes or Section 206-04 for rear disc brakes. Loose brake disc shield.
Can a out of round drum cause rear wheel lockup?
Brake drum condition should be factored in when determining the cause of rear wheel lockup. An out of round brake drum or drums that vary in diameter too much from side to side could cause a one wheel lockup condition (Figure 61.8). Measuring drum runout or out of roundness is not easy in the field.
Can a rear drum brake be converted to disc brakes?
As the front brakes provide most of the stopping power, many modern cars still use rear drum brakes due to their affordability. Disc brake conversions are popular restomods for classic vehicles with drum brakes, although it’s more common to just do the front brakes. Why Convert from Drum Brakes to Disc Brakes?
When did front and rear disc brakes become standard?
Front disc brakes didn’t start becoming standard until the late 1970s. Before that, most vehicles had drum brakes in both the front and rear. Rear disc brakes became more common a few decades later. As the front brakes provide most of the stopping power, many modern cars still use rear drum brakes due to their affordability.
The shoe lands or “bosses” are an often overlooked item when looking for the cause of a rear wheel lockup condition. The shoe lands keep the brake shoes square with the drum and provide a friction surface for the shoes to move against.
Can a out of round brake drum cause one wheel lockup?
An out of round brake drum or drums that vary in diameter too much from side to side could cause a one wheel lockup condition (Figure 61.8). Measuring drum runout or out of roundness is not easy in the field. Current micrometers do not allow a repeatable measurement to be taken.