SYMPTOM
5.Power steering operates normally but is intermittently hard.
6.Oil leaks.
7.Power steering stiff when turning steering wheel quickly.
8.Power steering does not return correctly.
9.Power steering operates but with noise turbulence or vibration.
CAUSE
A.Faulty operation of pressure pump.
B.Low oil level.
C.Dirty oil.
A.Faulty or incorrectly installed seal rings.
B.Hose or hose connections.
A.Faulty operation of hydraulic pump.
B.Restricted hose.
C.Incorrect hose size.
A.Front axle assembly.
B.Lower steering gear parts deformed as a result of accident or breakdown in the rotary valve unit.
C.Low tire pressure.
D.Bind in intermediate shafts.
A.Unsuitable oil.
B.Dirt inside the pressure pump.
C.Oil reservoir filter blocked.
D.Piping contacting part
of the bodywork, causing vibrations (particularly the pressure feed pipe).
E.Reservoir oil level low.
REMEDY
A.Check pump to performance specification. Overhaul
by authorized workshop if required.
B.Check oil level.
C.Change oil.
A.Clean and dry the outside of the power steering body and take the vehicle out on test to locate the leak.
B.Tighten or replace.
A.Check pump to performance specifications. Overhaul
by authorized workshop.
B.Replace incorrect or unserviceable hoses.
C.Replace incorrect or unserviceable hoses.
A.Lubricate front axle assembly. Check for damaged or worn parts.
B.Replace the ball screw assembly.
C.Inflate tires to correct pressure.
D.Determine cause and correct.
A.Drain oil and fill up with recommended grade.
B.Overhaul by authorized workshop.
C.Replace filter.
D.Space pipe from bodywork. If not possible, insulate with a rubber spacer.
E.Fill up to level and check installation.
BW1450 © 2002 Bendix Commercial Vehicle Systems LLC All rights reserved. 3/2002 Printed in U.S.A.
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