r TEERIl E ll 47 Servluo DIaqnusIs SmrIng Gar and Pump cnnlinu d Condition Possible Cause Correction POOR RETURN OF 8 Sticky or plugged spool valve 8 Remove and clean or replace STEERING WHEEL valve TO CENTER Continued 9 Steering gear adjustments over 9 Check adjustment with gear out of specifications vehicle Adjust as required 10 Steering gear poppet valve in 10 Inspect and install valve correctly stalled incorrectly CAR LEADS TO ONE 1 Incorrect tire pressure 1 Check and adjust SIDE OR THE OTHER KEEP IN MIND ROAD 2 Front end misaligned 2 Adjust to specifications CONDITION AND WIND TEST CAR IN 3 Unbalanced steering gear valve 3 Replace valve BOTH DIRECTIONS ON FLAT ROAD MOMENTARY 1 Low oil level in pump 1 Add power steering fluid as re INCREASE IN EFFORT quired WHEN TURNING WHEEL FAST TO 2 Pump belt slipping 2 Tighten or replace belt RIGHT OR LEFT 3 High internal leakage 3 Check pump pressure See pressure test STEERING WHEEL 1 Low oil level 1 Fill as required SURGES OR JERKS WHEN TURNING WITH 2 Loose pump belt 2 Adjust tension to specification ENGINE RUNNING ESPECIALLY DURING 3 Insufficient pump pressure 3 Check pump pressure See PARKING pressure test Replace relief valve if defective 4 Sticky flow control valve 4 Inspect for varnish or damage replace if necessary LOOSE STEERING 1 Steering gear loose on frame 1 Tighten attaching screws to specified torque 2 Steering gear flexible coupling 2 Tighten flange pinch bolts to 30 loose on shaft or rubber disc foot pounds if serrations are mounting screws loose not damaged Tighten upper flange to coupling nuts to specified torque 3 Steering linkage joints worn 3 Replace loose pivots enough to be loose 4 Worn poppet valve Gear 4 Replace poppet valve 5 Loose thrust bearing preload ad 5 Adjust to specification with gear justment Gear out of vehicle 6 Excessive overcenter lash in gear 6 Adjust to specification with gear out of vehicle