Why do dual cab utes have rear drum brakes?
their improved heat dissipation, shorter stopping distance, less pedal effort and they’re better for maintenance”. Many manufacturers still fit drum brakes to utes because drum brakes are simpler and cheaper to make.
What type of drum brakes are found in rear wheel drive vehicles?
Leading-trailing shoe braking systems are just as capable of stopping reverse motion as they are at stopping forward. This type of drum brake is typically used for rear-wheel applications.
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.
What kind of brake does a GM FWD vehicle use?
A prime example of this are GM FWD vehicles that are equipped with duo-servo rear drum brakes. Most FWD vehicles use a non-servo rear drum brake because of the braking balance of a FWD vehicle. These GM vehicles are “over-braked” in the rear which makes them very sensitive to rear brake problems.
How to remove dual wheels to repair rear brakes?
Lift the rear of the truck using the truck jack placed under the rear axle by the lower shock mount. Place the heavy-duty jack stand as close to the wheel as possible under the axle. Repeat the procedure for the other side to elevate the rear axle.
What are the rear brake calipers on a caddy?
Most people that have done the cad rear brake conversion do not use the cad calipers with the emergency brake feature. It has a tendency not to release and the rear brake stays locked. The base set up is the 80MM calipers on the front and middle bogey and the 70MM on the rear.
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.
Can a drum brake be adjusted on a new car?
Adjustments can be done only on brakes that are in good shape. Keep in mind that not all drum brakes are adjustable. To confirm your brakes are in good working order before you adjust them, check your vehicle for symptoms of a bad or failing drum brake. This article covers the adjustment process for drum brakes of the star wheel type.
A prime example of this are GM FWD vehicles that are equipped with duo-servo rear drum brakes. Most FWD vehicles use a non-servo rear drum brake because of the braking balance of a FWD vehicle. These GM vehicles are “over-braked” in the rear which makes them very sensitive to rear brake problems.
How to adjust drum brakes on Star Wheel?
This article covers the adjustment process for drum brakes of the star wheel type. Step 1: Lift the rear end of the vehicle. Make sure the vehicle is in park and that the parking brake is set. At the rear end of the vehicle, place the jack at a safe location under the vehicle and lift one side of the vehicle off the ground.