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Locked or clogged limiting valve. Disassemble the valve, wash and check. The throttling Insufficient oil pump flow rate Replace the pump. Poorly-sliding spider joint. Make the joint slidable alternatively moving it many NO YES YES YES YES Inefficient internal gaskets. Sent the steering to a ZF or TRW station. Wrong hydraulic center position (if the steering wheel Make the hydraulic power steering adjusted by a ZF 2 YES HARD STEERING ONLY IN LEFT OR RIGHT STEERING YES YES Clogge limiting valve. Disassemble the valve, wash and clean. Insufficient hydraulic pump flow rate. Revise or replace the hydraulic pump. Presence of air in steering system. Check suction pipe seal in pump shaft gasket and 3 YES HARD STEERING WHEN THE STEER- ING WHEEL IS QUICKLY ROTATED NO NO NO NO E URO C ARGO T ECTOR 12-26 t STEERING 5 Base - February 2003 |