| Fault | Cause | Remedy |
Brakes pull to one side | a) Tire pressure incorrect
b) Uneven tire wear
c) Oil on break pads / liners
d) Wrong type of break pads / liners
e) Dirty floating caliper releases
f) Guide bolts dirty or damaged
g) Incorrect rear wheel alignment
h) Corrosion in floating calipers or wheel cylinders
i) Worn shock absorber
j) Single brake pad failure (one side)
k) Bake pad glazed | a) Correct tire pressure
b) Re-Balance or replace tires
c) Replace brake linings, check for cause
d) Replace brake linings, check for cause
e) Remove and install / clean floating calipers
f) Clean or replace guide bolts
g) Check wheel alignment
h) Remove, repair or replace floating calipers or wheel cylinders.
i) Check and replace shock absorber if needed
j) Replace brake linings / pad(s), check floating caliper
k) Replace brake linings / pad(s), check floating caliper |
| Brakes excessively hot while driving | a) Vent bore in master cylinder clogged
b) No play between push rod and master cylinder piston
c) Swollen rubber parts due to use of wrong brake fluid
d) Vent bore in expansion tank clogged
e) Corroded floating calipers
f) Cross spring broken
g) Handbrake not releasing completely | a) Overhaul master brake cylinder, and replace if necessary
b) Adjust push rod
c) Overhaul master brake cylinder, and replace if necessary
d) Clean expansion tank
e) Remove and install, repair or replace floating calipers
f) Replace cross spring
g) Check handbrake and handbrake cables, and repair if necessary |
| Brakes squeal or rattle | a) Wrong type of pads/liners
b) Dirty floating caliper recesses
c) Spring force insufficient
d) Brake disk not aligned with first caliper
e) Brake-disk run-out
f) Excessive thickness deviation within braking surface
g) Brake drums eccentric
h) Knocking brake drums
i) Dirt and dust in brake drums
j) Liner wear excessive or one-sided
k) Rust edges on brake disks
l) Pad loose
m) Wheel bearing play excessive | a) Replace brake linings
b) Remove and install/clean floating calipers
c) Replace spring
d) Check floating caliper installation
e) Check brake disk for run-out, replace if necessary
f) Measure thickness of brake disk, grind down discs or replace
g) Grind or replace brake drums
h) Grind or replace brake drums
i) Clean and check brake drums
j) Replace brake shoes
k) Grind or replace brake disks
l) Replace brake linings
m) Replace wheel bearings |
| Brake pads worn at angle | a) Wheel-bearing play excessive
b) Brake disk not aligned with first caliper
c) Corrosion in floating calipers or wheel cylinders
d) Angular brake-disk wear
e) Pads worn to less than minimum thickness
f) Spring force insufficient
g) Guide bolts damaged | a) Replace wheel bearings
b) Check floating caliper installation
c) Remove and install, repair or replace floating calipers or wheel cylinders
d) Grind or replace brake disks
e) Replace brake linings
f) Replace spring
g) Replace guide bolts |
| Seized brake pads, pad does no move off brake disk | a) Dirty first caliper recesses, damaged caps
b) Corrosion in floating calipers
c) Vent bore in master cylinder clogged | a) Remove and install, repair or replace floating calipers
b) Remove and install, repair or replace floating calipers
c) Overhaul or replace brake master cylinder |
| Brake-pedal motion too soft and "spongy" | a) Air in braking system
b) Insufficient brake fluid in expansion tank - refer to a)
c) Overheated brake fluid - Vapor lock due to excessive water content in brake fluid or excessive brake loads | a) Top up or change the brake fluid
Bleed the brake system
b) Top up or change the brake fluid
Bleed the brake system
c) Top up or change the brake fluid
Bleed the brake system |
| Brake Pedal dead travel excessive | a) Wheel bearing play excessive
b) Brake disk not aligned with fist caliper
c) Brake-disk run-out
d) Excessive thickness deviation within braking surface
e) Brake system leaky
f) Air in braking system
g) Wrong type of pads/liners
h) Automatic slack control of brake shoes does not function | a) Replace wheel bearings
b) Check floating caliper installation
c) Check brake disk for run-out, replacing if necessary
d) Measure thickness of brake discs,
- Grind down discs or replace
e) Replace brake pads
f) Bleed brakes
g) Replace brake linings or replace brake shoes
h) Remove and install brake shoes
- Repair adjustment unit |
| Uneven pad wear | a) Wrong type of calipers
b) Dirty first caliper recesses damaged caps
c) Corrosion in floating calipers or wheel cylinder
d) Swollen rubber ring for piston control | a) Replace brake linings
b) Remove and install, repair or replace floating calipers or wheel cylinders
c) Remove and install, repair or replace floating calipers or wheel cylinders
d) Remove and install, repair or replace floating calipers or wheel cylinders |
| Brake-pedal travel is excessive even though brakes have been bled and adjusted | a) Primary cup in master cylinder damaged
b) Separating cups on floating piston of tandem-bake master cylinder leak
c) Leak in breaking system | a) Overhaul or replace brake master cylinder
b) Overhaul or replace brake master cylinder
c) Replace break pads |
| Jammed Piston in brake caliper | a) Dirty fist caliper recesses, damaged caps
b) Brake disk not aligned with fist caliper
c) Corrosion on piston in floating calipers or wheel cylinders | a) Remove and install, repair or replace floating calipers
b) Check floating caliper installation
c) Remove and install, repair or replace floating caliper or wheel cylinder |
| Pulsating effect on brake pedal | a) Wheel-bearing play excessive
b) Brake disk not aligned with first caliper
c) Brake-disk run-out
d) Excessive thickness deviation within braking surface | a) Replace wheel bearings
b) Check floating caliper installation
c) Check brake disk for run-out, replacing if necessary
d) Measure thickness of brake disks, Grind down discs or replace with correct size |
Poor breaking effect in spite of great force on pedal
(Brake-pedal travel normal) | Brake pads oil-splattered or burnt, wrong type of brake pads | Replace brake linings |
Poor breaking effect in spite of great force on pedal
(Brake-pedal travel short) | Brake booster malfunctions - engine vacum | Check brake booster
- Check engine (valves, cylinder head gasket etc.) | |
Poor breaking effect in spite of great force on pedal
(Brake-pedal travel long) | One brake circuit failed due to leaks or damage | Repair / replace circuit
- Replace brake pads |
| Handbrake effect insufficient | a) Brake shoes/pads oil-spattered
b) Excessive dead travel between brake shoes and brake drums
c) Excessive dead travel in cables
d) Cables adjusted incorrectly
e) Corroded transmitting elements | a) Replace brake linings, determined cause
b) Adjust handbrake
c) Adjust handbrake
d) Adjust handbrake
e) Remove and install handbrake and expanding locks.
Check Bowden cables and replace if necessary |
