1 Series 125i (N52K) Convertible
86 10 ...
Troubleshooting on multi-trailer
Fault
Cause
Remedy
Trailer already brakes when foot is
taken off accelerator
Shock absorber of overrunning
equipment faulty
Replace shock absorber of
overrunning equipment
Reversing sluggish or not possible
Brake system adjusted too strongly
Adjust brake system
Note: When automatic reversing is
activated, there is a residual braking
torque caused by the design. This
results
Brake shoes jammed
Free brake shoes, replace complete
brake shoes with brake shoe carrier
if necessary
in slightly heavier overrunning.
Cables overtensioned
Adjust brake system
Handbrake effect too weak
Faulty adjustment
Adjust brake system
Faulty spring force accumulator
Adjust spring force accumulator
Brake cables heavily contaminated,
corroded or kinked
Free cables, replace if necessary
Wheel brakes overheating
Brake system incorrectly adjusted
Adjust brake system
Overrunning equipment is sluggish
Lubricate overrunning equipment
Brake cables heavily contaminated,
corroded or kinked
Free cables, replace if necessary
Cables overtensioned
Adjust brake system
Wheel brakes contaminated
Clean wheel brakes
Reversing lever of overrunning
equipment jammed
Remove reversing lever, clean and
grease with conventional BMW
lubricants
Braking effect too weak
Excessive play in brake system
Adjust brake system
Brake linings glazed, fouled by oil,
damaged or worn
Replace complete brake shoes,
clean brake drums, replace if
necessary
Overrunning equipment is sluggish
Lubricate overrunning equipment
Brake cables heavily contaminated,
corroded or kinked
Free cables, replace if necessary
Jolting braking or starting off
Excessive play in brake system
Adjust brake system
Shock absorber of overrunning
equipment faulty
Replace shock absorber of
overrunning equipment
Brake shoes jammed
Replace complete brake shoes with
brake shoe carrier
Brakes squeal or rattle
Wheel brakes contaminated or worn
Clean wheel brakes, replace brake
shoes and/or brake drums if
necessary
Out-of-round or banging brake drum
Replace brake drums
RA Troubleshooting on multi-trailer
BMW AG - TIS
17.01.2013 19:20
Issue status (12/2007) Valid only until next DVD is issued
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