Page 31 - Technical Guide

P roSteering®

Shimmy

Problem
description:

A
severe
shake
or
shimmy
condition
is
noticeable
at
the
steering
wheel

Checklist

Verify
the
rear
driving
axles
are
remaining
square
with
the
centerline
of
the
chassis

during
load
shift
or
trailer
roll

Potential
cause(s)
Verification
or
action
Result
Remedy

Looseness
found
at
a

different
connection

point
in
the
steering
Repair
or
replace
loose

Complete
the
original
system
(i.e.,
lug
nuts,
components

manufactures
service
steering
wheel
to

Looseness
in
procedure
for
lash
in
column,
etc)

mechanical
system
steering
system
All
connection
points

within
the
steering

system
are
tightened
Call
technical
support

to
the
manufacturers

specification

Bleeding
the
power

Air
was
found
in
the
steering
system

Bleed
the
power
power
steering
system
eliminated
the
steering

steering
system

Air
is
trapped
in
power
following
the
wheel
kick

steering
system
manufacturers
service

procedure
Air
is
not
present
in
the

system
and
the
Investigate
the
next

problem
still
exists
potential
cause

150416_TECHNICAL
GUIDE
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