X Series E70 X5 3.0Si (N52K) OFFRD
31 90 ...
Front axle troubleshooting
Follow troubleshooting for steering/shock absorbers.
Fault
Cause
Remedy
Grinding noise
Note: Straight-ahead
driving/cornering
Wheel bearing worn, dirty
Replace faulty wheel bearing
Cracking / clicking
Note: In event of road
irregularities and steering
manoeuvres
Front axle carrier loose
Tighten down screw connection as
specified in repair instruction
Front axle carrier / front end
distorted
1. Position vehicle over pit / on
alignment platform
2. Slacken screw connection of front
axle carrier
3. Tighten down screw connection
as specified in repair instruction
Rattling
Note: In event of edged road
irregularities
Lower control arm loose
Tighten down screw connections as
specified in repair instruction
Lower control arm ball joint loose /
faulty
1. Tighten down screw connection
as specified in repair instruction
2. Check ball joint for play, replace
lower control arm if necessary
Tension strut loose
Tighten down screw connection as
specified in repair instruction
Tension strut ball joint loose / faulty
1. Tighten down screw connection
as specified in repair instruction
2. Check ball joint for play, replace
tension strut if necessary
Upper control arm loose
Tighten down screw connection as
specified in repair instruction
Upper control arm ball joint loose /
faulty
1. Tighten down screw connection
as specified in repair instruction
2. Check ball joint for play, replace
upper control arm if necessary
Muffled bang
Note: Repeated impulse
braking or road irregularities
Tension strut hydro-mount faulty (no
mount fluid)
Examine hydro-mount for leaks,
cracks and issue or rubber, replace
tension strut if necessary
No conspicuous noise
Upper control arm rubber mount
faulty
Examine rubber mount for cracks
and issue of rubber, replace upper
control arm if necessary
Lower control arm rubber mount (on
spring strut bracket) faulty
Examine rubber mount for cracks
and issue of rubber, replace lower
control arm if necessary
RA Front axle troubleshooting
BMW AG - TIS
06.02.2013 18:05
Issue status (12/2007) Valid only until next DVD is issued
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