3 Series E46 318Ci (N46) COUPE
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)
Replace master brake cylinder
Fault
Cause
Remedy
Brakes squeal or rattle
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)
Liner wear excessive or one-
sided
h)
Rust edges on brake discs
i)
Pad loose
j)
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 discs for runout,
replacing if necessary
f)
Measure brake disc thickness
Grind or replace discs
g)
Replace brake shoes
h)
Grind or replace brake discs
i)
Replace brake linings
j)
Replace wheel bearings
Brake-pedal dead travel excessive
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
a)
Replace wheel bearings
b)
Check floating caliper
installation
c)
Check brake disc 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
Fault
Cause
Remedy
Jammed piston in brake caliper
a)
Dirty fist caliper recesses,
damaged caps
b)
Brake disc not aligned with fist
caliper
c)
Pistons corroded in floating
calipers
a)
Remove and install, repair or
replace floating calipers
b)
Check floating caliper
installation
c)
Remove and install, repair or
replace floating calipers
RA Troubleshooting the brake system
BMW AG - TIS
07.02.2013 19:50
Issue status (12/2007) Valid only until next DVD is issued
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