5 Series E39 520i (M52TU) SAL
32 00 ...
Troubleshooting after wheel/chassis alignment check on front axle/rear axle
Front axle troubleshooting
Fault
Cause
Remedy
1.
Toe deviation
a)
Vehicle not in normal position
b)
Tie rod(s) bent
c)
Ball joints on track rod(s)
misaligned
d)
Rubber mount in control arm
faulty
a)
Ride height,
refer to Technical Data MG 31
b)
Replace tie rod(s)
c)
Replace tie rod(s)
d)
Replace control arms
2.
Camber deviation:
Camber is defined by design
and cannot be adjusted.
a)
Rubber mount in control arm
faulty
b)
Control arm deformed
c)
Spring strut deformed
d)
Guide joint worn
e)
Spring deflection too great
f)
Front axle carrier deformed
g)
Spring strut shock absorber
mount mis-shapen
h)
Distortion in floor assembly
(engine carrier)
a)
Replace control arms
b)
Replace control arms
c)
Replace spring strut
d)
Replace control arms
e)
Replace coil spring, ride height
refer to Technical Data MG 31
f)
Replace front axle carrier
g)
Repair front end
h)
Repair body
Front axle troubleshooting
Fault
Cause
Remedy
3.
Caster deviation: caster is a
design feature and cannot be
adjusted.
a)
Rubber mount for
tension/traction strut defective
b)
Tension/traction strut mis-
shaped
c)
Control arm deformed
d)
Spring strut deformed
e)
Wheel house deformed (spring-
strut mount)
f)
Distortion in floor assembly
(engine carrier)
a)
Replace rubber mount
b)
Replace tension/traction strut,
c)
Replace control arms
d)
Replace spring strut
e)
Repair front end
f)
Repair body
4.
Toe angle difference deviation
Prerequisite: camber and caster are
correct
RA Troubleshooting after wheel/chassis alignment check on front axle/rear axle
BMW AG - TIS
05.02.2013 04:38
Issue status (12/2007) Valid only until next DVD is issued
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