Repair
WARNING: Service actions on vehicles equipped with electronic parking brakes may cause unexpected parking brake application, which could result in injury to hands or fingers. Put the electronic parking brake system into service mode prior to servicing or removing rear brake components. Failure to follow this instruction may result in serious personal injury.
WARNING: Service actions on vehicles equipped with electronic brake booster without activating the brake system service mode may result in unexpected hydraulic brake application or a false leak detection DTC. This will significantly reduce the performance of the brake system. Failure to follow this instruction may result in serious personal injury.
NOTE: Do not machine the brake discs for any brake noise concern (squeal, squeak, moan, groan, grunt, grind, etc.). Brake disc machining is allowed if one of the below conditions is present;
NOTE: On-Vehicle Brake Lathe Training Videos
NOTE: Brake disc machining is not allowed for the discs with cross drilling holes on friction surface.
Repair
WARNING: Service actions on vehicles equipped with electronic parking brakes may cause unexpected parking brake application, which could result in injury to hands or fingers. Put the electronic parking brake system into service mode prior to servicing or removing rear brake components. Failure to follow this instruction may result in serious personal injury.
WARNING: Service actions on vehicles equipped with electronic brake booster without activating the brake system service mode may result in unexpected hydraulic brake application or a false leak detection DTC. This will significantly reduce the performance of the brake system. Failure to follow this instruction may result in serious personal injury.
NOTE: On-Vehicle Brake Disc Machining
NOTE: Do not use a bench lathe to machine the brake discs. Use an on-vehicle brake lathe only. Read the entire operating manual and/or view the video shipped with the lathe before installing, operating or repairing the lathe.
NOTE: Lateral runout and disc thickness variation measurements are not required because correct adjustment of the on-vehicle brake lathe will make sure that these dimensions are within specification.
NOTICE: Do not allow the caliper to hang from the brake hose or damage to the hose may occur.
NOTE: It is not necessary to disconnect the brake hose from the brake caliper.
Remove the bolts and position the brake caliper or brake caliper and anchor plate assembly aside, as required. Support the brake caliper using mechanic's wire.NOTICE: On some vehicle applications the axle on the opposing side may rotate during the machining process. On these applications the brake disc must be secured or damage may occur.
If necessary, secure the opposing brake disc by installing 2 wheel nuts finger tight.NOTE: An on-vehicle brake lathe with an automatic runout adjustment feature is preferred. However, if the lathe is not self adjusting, the lathe oscillation must be adjusted using a dial indicator. The total indicated runout target is 0.000 mm (0.000 in). The maximum indicated runout should be no more than 0.050 mm (0.002 in). If the runout adjustment (automatic or manual) is carried out correctly prior to machining, then the final brake disc runout will be within specification and a runout measurement is not necessary after machining.
If the lathe is not self-adjusting, adjust the lathe oscillation using a dial indicator.NOTE: The depth of the cut should be between 0.10 and 0.40 mm (0.004 and 0.015 in). Lighter cuts will cause the bit to heat up and wear faster. Heavier cuts will cause poor brake disc surface finish.
Machine the brake disc.NOTE: It is not required to install new brake pads if friction material is within specifications.
Position the brake caliper or brake caliper and anchor plate assembly and install the bolts.These are some of the symbols you may see on your vehicle.
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