Automobile Accessories User Manual

Conditions: Possible Cause(s): What to Check: Corrections:

➀Chamber exceeds Incorrect initial Check the chamber strokeIf the air chamber still

two-inch maximumadjustment or after 20 brake overstrokes, replace the

stroke requirementinoperative automaticapplications. caliper/saddle assembly.

adjuster Refer to Sections 3 and 4.

➁ Brake drag Incorrect lining-to- Minimum stroke Replace the caliper/saddle

rotor clearance 7/8-inch (22 mm) assembly.

Incorrect initial Adjust the rotor to pad

adjustment clearance. Refer to Section 4.

Vehicle brake releaseCorrect operation of theRepair or replace parts as

pressure malfunctionquick release valve required.

➂Short outboard Caliper seized or Damaged slide-pin seals Replace the caliper/saddle

brake pad lining lifesticking on slide pins assembly.

Caliper should move

back and forth by hand

with linings removed

➃Short lining life Refer to conditions ➁Refer to conditions ➁ Refer to conditions ➁and ➂.

and ➂. and ➂.

Rotor surface Cracks or heavy heat Refer to Section 5 for disc

checking. Refer to inspection.

Section 5.

➄Brake smoking High brake Refer to conditions ➁, ➂Refer to conditions ➁, ➂

temperature and ➃. and ➃.

Grease, oil, etc., on Grease, oil, etc., on the Check for oil leaks in the

the linings linings brake area. Repair as

required. Clean the rotor

and caliper assembly.

Replace the linings.

Refer to Sections 3 and 4.

➅Poor stopping Vehicle brake releaseCorrect operation of theHave the system evaluated

power pressure malfunctionquick-release valve by a qualified brake system

specialist.

•• Long stopping Brakes out of Stroke exceeds Refer to condition

➀.

distances adjustment two-inch requirement

•• Poor driver feelVehicle overload Refer to the GAWR Observe the vehicle

•• Lack of normal limitations on the vehicle manufacturer's load

response I.D. plate. recommendations.

Lining contaminationGrease, oil, etc., on the Inspect for oil leaks in the

linings brake area. Repair as

required. Clean the rotor and

caliper assembly. Replace the

linings. Refer to Sections 3

and 4.

Section 6

Diagnostics

DXP 195 Air Release and Hydraulic Release Parking Disc Brakes