Page 49 of Power & Manual Steering by Steering Rebuilders & Truck Parts

steering rebuilders truck parts inc 764 cr 383 cleveland texas 77327 ph #281.386.7229 fx #281.432.1332 web www.srtp.us trouble shooting information trouble shooting guide excessive heat the following are possible causes for excessive heat a excessive pump flow or pressure b vehicle overload pump to small or large for application c clogged filter d air trapped in system e hoses and/or fittings to small kinked or blocked f steering gear poppets not adjusted properly g axle stops not set properly oil being forced from reservoir the following are possible causes for oil being forced from reservoir a clogged oil filter b air in system c relief valve plungers of steering gear not adjusted properly d loose pump drive belts e faulty supply pump cavitation f operating temperature to high binding or seizing the following are possible causes for binding or seizing a worn or frozen universal joints b insufficient pump flow c universal joints not phased properly a b c d wheel cuts restricted the following are possible causes for wheel cuts restricted steering gear linkage not center relief valve plungers misadjusted bent or damage linkage see also hard steering hard steering the following are possible causes for hard steering a b c d e f g h i j k l m n o loose belts steering out of alignment components of steering system binding obstruction in lines low tire pressure oversized tires internal leakage in steering gear restriction in pump flow faulty power steering pump air in hydraulic system low pump output or leaks in system improper pump application front axle overloaded control valve malfunction low hydraulic fluid noises the following are possible causes for noises normal noises a hissing noise from the relief valve when turning steering wheel b fluid bypassing through the poppets at full turn c system relief valve noise when required to actuate d selected gears make a growling noise abnormal noises a squealing noise from belt drive pump check belts and tighten or replace if needed b clicking noise made during the turn indicates some components may be loose and shifting under the load of the truck c any change in the normal noise of the pump may indicate that air has gotten into the system or the fluid is low if you need further technical support call 281.386.7229 48

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