GM 15911567
Backing Plate

The front Brake Dust Shields replacement for the 25/3500 series requires the removal of the hub and bearing assembly and splash shield. First remove the hub and bearing assembly then install the new splash shield followed by reinstallation of the hub and bearing assembly. Follow the instructions for brake dust caution throughout all steps.

To replace the front disc brake dust shield of 25/3500 series first get rid of hub and bearing assembly, then get rid of dust shield. Next, fit in the new dust shield and then fit the hub and bearing assembly again. Make sure to note the brake dust caution during this process.

Replacement of the rear Brake Backing Plate requires initial park brake cable removal according to the processes mentioned in parking brake front cable replacement for the left cable and parking brake rear cable replacement - left side (w/Rear Disc) and parking brake rear cable replacement - left side (w/Rear Drum) for the right cable. The brake procedure begins by taking out the Wheel Cylinder followed by removing the rear Axle Shaft and concluding by unfastening the backing plate bolts to extract the backing plate. The backing plate gets installed onto the rear axle housing by following service precaution fastener notice instructions before installing backing plate bolts which must be tightened to 135 nm (100 ft. Lbs.). Reinstall the rear Axle Shaft followed by the Wheel Cylinder and the park brake cable. All installations must follow operations documented for the left and right cables.

The brake dust shield replacement for 2500/3500 series vehicles begins with hub and bearing assembly removal before moving on to dust shield replacement. After installation of the new dust shield you should reposition the hub with bearing assembly. Follow the brake dust caution while performing this task.

Begin your 2500/3500 series rear disc Brake Backing Plate replacement by disabling the automatic adjuster of the park brake cable. Remove the backing plate nuts first before taking the backing plate away from the axle housing flange. Since you need to mount the backing plate onto the axle housing flange first thread all backing plate nuts in. Then tighten the bolts on the backing plate until they reach 135 nm or 100 ft lbs torque. Place the park brake shoe back in its position before adjusting the shoe correctly and activating automatic park brake cable adjustment.

First, remove the hub and bearing assembly.

Reinstall the rear axle shaft, the wheel cylinder, and finally the park brake cable, ensuring to follow the correct procedure for the specific cable being reinstalled.

Attach the backing plate to the axle housing flange and install the backing plate nuts, ensuring to tighten them to 135 Nm (100 ft. lbs.).

The Brake Dust Caution.

Install the backing plate bolts, tightening them to 135 Nm (100 ft. lbs.).

Ensure to observe the Brake Dust Caution.

Reinstall the hub and bearing assembly.

Take out the backing plate bolts and detach the backing plate from the axle housing flange.

First, remove the park brake cable by detaching the left cable and the right cable as outlined in the relevant replacement procedures.

Reinstall the rear axle shaft and the wheel cylinder, and finally, reconnect the park brake cable, following the specific procedures for the left or right cable as required.