Page 30 - Technical Guide

ProSteering®

Road
Wander
or
Loose
Steering

Problem
description:

There
is
lash
or
play
in
the
steering
wheel

The
steering
system
continually
requires
correction
at
the
wheel
to
keep
the
vehicle

from
wandering.

Checklist:

Verify
alignment
of
steer
axle
and
rear
drive
axles

Swap
steer
tires
and
look
for
mismatched
belt
tread

Verify
fifth
wheel
properly
greased

Verify
this
condition
is
not
occurring
at
low
vehicle
speeds
while
accelerating
due
to

deflection
from
high
engine
torque
throughout
the
steering
system
and
linkage

Verify
soft
or
loosely
supported
rear
suspensions
are
not
allowing
the
rear
driving

axles
to
become
non-­‐square
with
the
centerline
of
the
chassis
(rear
steer
condition)

Potential
cause(s)
Verification
or
action
Result
Remedy

Steer
axle
wheel
Verify
the
adjustment

is
made
to
the
original
Adjustment
is
correct
Investigate
the
next

bearing
adjustment
manufacturers
and
condition
persists
potential
cause

specification

Low
torque
on
steering
Torque
mounting
bolts
Bolts
torqued
to
Problem
resolved

gear
mounting
bolts
to
original
specifcation
Investigate
the
next

manufacturers
Bolts
torqued,
potential
cause

specification
condition
continues
to

exist

Looseness
found
at
a

different
connection

point
in
the
steering
Repair
or
replace
loose

system
(i.e.,
lug
nuts,
components

Complete
the
original
steering
wheel
to

Looseness
in
manufactures
service
column,
etc)

mechanical
system
procedure
for
lash
in
All
connection
points

steering
system
within
the
steering

system
are
tightened
Call
technical
support

to
the
manufacturers

specification

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150416_TECHNICAL
GUIDE