Page 25 - Technical Guide

P roSteering®

Hard
Steering

Problem
description:

The
truck
is
difficult
to
steer.

Excessive
effort
is
required
to
turn
the
wheels

Power
assist
is
lost
or
limited

Checklist:

Verify
correct
level
of
power
steering
fluid
in
the
reservoir

Verify
tire
pressure
values
are
correct

Verify
fifth
wheel
properly
greased

Confirm
that
vehicle
is
not
overloaded

Q:

Does
the
loss
of
assist
or
increased
effort
occur
on
one
or
both

directions?

A
:

One
direction
only

Potential
cause(s)

Verification
or
action

Result

Remedy

Air
is
trapped
in
power
Bleed
the
power

steering
system
steering
system
Air
was
found
in
the
Bleeding
the
power

following
the
power
steering
system
steering
system

manufacturers
service
corrected
the
loss
of

procedure
assist
in
one
direction

Air
is
not
present
in
the
The
gear
has
an

system
and
the
internal
leak.

Replace

problem
still
exists
the
steering
gear

150416_TECHNICAL
GUIDE
25