Guideline to Evaluate Warranty Claims
Heavy-duty Shock Absorbers
4) Noise - Rubber Bushings
Noise emitted during operation is not necessarily caused by defective shocks.
Therefore in case of noise issues:
Check all relevant suspension and axle components, e.g. rubber mounts, springs,
jounce stops, bushings, steering.
Rubber bushing „worn“ or
„deformed“
OBSERVATION:
• rubber bushing is visibly deformed or
damaged
• eye (or „loop“) is eccentrically
deformed
• sleeve is not centered within bushing
CAUSE:
- extensive use of rebound stop,
incorrect ride height, shock may be too
short for application
- extremely high conical angles, not
suitable for this design
EFFECT:
noise, increased wear of shock and
suspension
ACTION:
- verify ride height
- verify that shock is suitable for this
application
- replace defective shock absorber
SACHS Automotive of America Heavy-Duty Suspension Tel. (248) 458-3600
2107 Crooks Rd Troy, MI 48084 Fax. (248) 458-3603
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