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STEERING 1 FAULT DIAGNOSIS INSUFFICIENT POWER ASSISTANCE 1. Is fluid level correct? YES - go to 3. Fill/bleed sytem 2. Is problem a leak? YES - Diagnose. See Power Steering Fluid Leaks NO - continue 3. Is drive belt tension correct? YES - go to 5. retension. See ENGINE, Repair, Drive Belt 4. Is problem resolved? YES - end continue 5. Carry out pressure test at idle and 1000 rev/min. See Power Steering System - Test 6. Is correct pressure achieved? YES - steering box defective 7. Is idle speed correct? YES - Go to 8. Correct idle speed - If 3.9 See ENGINE TUNING DATA, Information, Engine 3.9 V8i See ENGINE TUNING DATA, Information, 300 Tdi Engine See ENGINE TUNING DATA, Information, Engine - Mpi - 2.0 Litre 8. Is problem resolved? YES - end go to 9. 9. Bypass steering box using adaptor tap LRT-57-001 10. Is correct pressure obtained? YES - defective steering box defective steering pump CAUTION: Do not hold steering wheel on possibly damaging seals. NOTE: 1. Excessive pressure in the NOTE: 2. Insufficient pressure in the following: PAS system leaks, faulty PAS pump |