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STEERING 9 FAULT DIAGNOSIS POWER STEERING SYSTEM - EXCESSIVE NOISE 1. Is fluid level correct? YES - go to 3. Refill or drain to correct level. Bleed See Repair, Power Steering System - Bleed 2. Is problem resolved? YES - end continue. 3. Is pressure hose from pump to box touching body in a hard foul condition? go to 5. 4. Does noise remain? YES - continue. end. 5. Is noise a whistle or hiss on full lock? YES - noise is not a fault unless excessive. Compare with other vehicles NO - go to 8. 6. Is noise excessive? YES - continue. end. 7. Change steering box and/or pump. 8. Is noise a squeal on full lock? YES - check/reset drive belt tension. See ENGINE, Repair, Drive Belt NO - go to 10. 9. Does squeal remain? YES - drive belt contaminated, change belt. end. 10. Is noise a continuous moan? YES - bleed PAS system. See Repair, Power Steering System - Bleed NO - go to 13. 11. Does moan remain? YES - do figure 8 manoeuvres. end. 12. Does moan remain? YES - continue end. 13. Is noise an intermittent "grunt"? YES - See Power Steering System - Grunt NO - continue. 14. Is it a clunking noise? YES - reset drive belt tension. See ENGINE, Repair, Drive Belt NO - contact local technical office. 15. Does noise remain? YES - Suspect suspension or drive train. end. POWER STEERING SYSTEM - GRUNT Steering box grunts intermittently when turning 1. Is fluid level correct? YES - go to 3. refill or drain to correct level. Bleed See Repair, Power Steering System - Bleed 2. Does grunt remain? YES - continue end. 3. Is correct low pressure hose ANR 3152, steering box to reservoir fitted? Fit correct hose. 4. Does grunt remain? YES - continue end. 5. Purge box by doing figure 8 manoeuvres e.g. on car park, followed by 10 minutes normal road 6. Does grunt remain? YES - Contact local technical office end. |