Fault
Brakes pull to one side
Cause
a) Tyre
pressure incorrect
b) Unevenly worn tire treads
c) Oil on pads/liners
d) Wrong type of pads/liners
e) Dirty floating caliper recesses
f)
Guide bolts dirty or damaged
g) Rear wheel alignment adjusted incorrectly
h) Corrosion in floating calipers or wheel cylinders
i) No shock
absorber action
k) Pad of one caliper worn
l) Pad glazed
Remedy
a) Correct tire pressure
b) Change or replace tyres
c)
Replace http://forums.bimmerforums.com/forum/showthread.php?t=1701302#" rel="nofollow - - brake - linings , check for causes
d) Replace brake
linings,check for causes
e) Remove and install/clean floating calipers
f) Replace guide bolts
g) Check wheel alignment
h) Remove and
install, repair or replace floating calipers or wheel cylinders
i) Check
shock absorber, replacing if necessary
k) Replace brake linings , Check
floating caliper
l) Replace brake linings , Check floating caliper
Fault
Brakes excessively hot while driving
Cause
a)
Vent bore in http://forums.bimmerforums.com/forum/showthread.php?t=1701302#" rel="nofollow - - master - cylinder clogged
b) No play between push rod
and master cylinder piston
c) Swollen rubber parts due to use of wrong http://forums.bimmerforums.com/forum/showthread.php?t=1701302#" rel="nofollow - - brake - fluid
d) Vent bore in expansion tank clogged
e) Corroded floating calipers
f) Cross spring broken
g) Handbrake
lever not released fully
Remedy
a) Overhaul master brake
cylinder,replacing if necessary
b) Adjust push rod (in older cars)
c)
Overhaul master brake cylinder,replacing 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 ,repair if
necessary
Fault
Poor braking effect in spite of great force on pedal
Brake-pedal travel normal
Cause
Brake pads oil-splattered or
burnt; wrong type of brake pads
Remedy
Replace brake
linings
Fault
Poor braking effect in spite of great force on pedal
Brake-pedal travel short
Cause
Brake booster malfunctions -
engine vacuum
Remedy
Check brake booster system
- Check engine
(valves, cylinder head gasket etc.)
Fault
Poor braking effect in
spite of great force on pedal
Brake-pedal travel long
Cause
One
brake circuit failed due to leaks or damage
Remedy
Leakage test of
brake system
Fault
http://forums.bimmerforums.com/forum/showthread.php?t=1701302#" rel="nofollow - - Brake - pedal can be pressed down softly and
springily
Cause
a) Air in braking system
b) Insufficient brake
fluid in expansion tank - refer to a)
c) Overheated brake fluid - vapour
lock due to excessive water content in brake fluid or excessive brake loads
Remedy
a) Top up or change brake fluid
Bleed brakes
b) Top up
or change brake fluid
Bleed brakes
c) Top up or change brake fluid
Bleed brakes
Fault
Brake is bled and readjusted, but brake pedal
can be pressed down too far
Cause
a) Primary cup in master cylinder
damaged
b) Separating cups on floating piston of tandem- http://forums.bimmerforums.com/forum/showthread.php?t=1701302#" rel="nofollow - - brake - master cylinder leak
c) Leak in braking system
Remedy
a) Overhaul or replace http://forums.bimmerforums.com/forum/showthread.php?t=1701302#" rel="nofollow - - brake - master - cylinder
b) Overhaul or replace brake master
cylinder
c) Leakage test of brake system
Fault
Uneven pad
wear
Cause
a) Wrong type of pads/liners
b) Dirty fist caliper
recesses, damaged caps
c) Corrosion in floating calipers or wheel cylinders
d) Swollen rubber ring for piston control
Remedy
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
Fault
Brake pads worn at angle
Cause
a)
Wheel-bearing play excessive
b) http://forums.bimmerforums.com/forum/showthread.php?t=1701302#" rel="nofollow - - Brake - disc not aligned with fist caliper
c)
Corrosion in floating calipers or wheel cylinders
d) Angular brake-disc wear
e) Pads worn to less than minimum thickness
f) Spring force insufficient
g) Guide bolts damaged
Remedy
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 discs
e)
Replace brake linings
f) Replace spring
g) Replace guide bolts
Fault
Seized brake pads, pad does not move off brake disc
Cause
a) Dirty fist caliper recesses, damaged caps
b) Corrosion
in floating calipers
c) Vent bore in master cylinder clogged
Remedy
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
Fault
Brakes squeal or
rattle
Cause
a) Wrong type of pads/liners
b) Dirty floating
caliper recesses
c) Spring force insufficient
d) Brake disc not aligned
with fist caliper
e) Brake-disc runout
f) Excessive thickness deviation
within braking surface
g) http://forums.bimmerforums.com/forum/showthread.php?t=1701302#" rel="nofollow - - Brake - drums eccentric
h) Knocking brake drums
i)
Dirt and dust in brake drums
k) Liner wear excessive or one-sided
l)
Rust edges on brake discs
m) Pad loose
n) Wheel-bearing play excessive
Remedy
a) Replace brake linings
b) Remove and install/clean
floating calipers
c) Replace spring
d) Check floating caliper
installation
e) Check brake discs for runout, replacing if necessary
f)
Measure brake disc thickness
Grind or replace discs
g) Grind or replace
brake drums
h) Grind or replace brake drums
i) Clean and check brake
drums
k) Replace brake shoes
l) Grind or replace brake discs
m)
Replace brake linings
n) Replace wheel bearings
Fault
Brake-pedal
dead travel excessive
Cause
a) Wheel-bearing play excessive
b)
Brake disc not aligned with fist caliper
c) Brake-disc runout
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
Remedy
a) Replace
wheel bearings
b) Check floating caliper installation
c) Check brake
discs for runout, replacing if necessary
d) Measure brake disc thickness -
Grind or replace discs
e) Leakage test of brake system
f) Bleed brakes
g) Replace brake linings or Replace brake shoes
h) Remove and install
brake shoes , repair slack control
Fault
Jammed piston in brake
caliper
Cause
a) Dirty fist caliper recesses, damaged caps
b)
Brake disc not aligned with fist caliper
c) Corrosion on pistons in floating
calipers or wheel cylinders
Remedy
a) Remove and install, repair or
replace floating caliper
b) Check floating caliper installation
c)
Remove and install, repair or replace floating caliper or wheel cylinder
Fault
Pulsating effect on brake pedal
Cause
)
Wheel-bearing play excessive
b) Brake disc not aligned with fist caliper
c) Brake-disc runout
d) Excessive thickness deviation within braking
surface
Remedy
a) Replace wheel bearings
b) Check floating
caliper installation
c) Replace brake discs
d) Measure brake disc
thickness
Grind or replace discs
Fault
Handbrake effect
insufficient
Cause
a) Brake shoes oil-splattered
b) Excessive dead
travel between brake shoes and brake drums
c) Excessive dead travel in
cables
d) Cables adjusted incorrectly
e) Corroded transmitting elements
Remedy
a) Replace brake linings, determine cause
b) Adjusting
handbrake
c) Adjusting handbrake
d) Adjusting handbrake
e) Remove
and install handbrake and expander locks
Check Bowden cables, replacing if
necessary