4. Directional stability power steering fluid leaks

4. DIRECTIONAL STABILITY POWER STEERING FLUID LEAKS

From 1. GENERAL STEERING:

1. Is directional stability concern when vehicle is towing? YES - Check towing/vehicle loading parameters in Owner’s Handbook. NO - go to 3.
2. Is problem resolved? YES - end NO - continue.
3. Check condition of rear trailing link/chassis bushes.
4. Is problem resolved? YES - end NO - continue.
5. Check condition of front and rear shock absorbers. If in doubt change units in pairs, side to side.
6. Is problem resolved? YES - end NO - continue.
7. Check steering damper See Steering Damper.
8. Is problem resolved? YES - end NO - continue.
9. Check wheel balance
10. Is problem resolved? YES - end NO - contact local technical office.
10. Clean unit, add tracer dye to system. Retest
11. Is oil still leaking?
1. Is fluid level correct? YES - go to 3. NO - Refill or drain to correct level. Bleed system, check for leaks See Repair, Power Steering System - Bleed.
2. Is problem resolved? YES - end NO - continue.
3. Are hoses or joints leaking? Check on full lock with engine at 2000 rev/min. YES - loosen and retorque joints. NO - go to 6.
4. Does leak remain? YES - change PAS pipe. NO - end.
5. Does leak remain?

YES - suspect seal in component. Check and replace as necessary.

NO - end.

6. Is oil escaping from filler cap? YES - bleed system See Repair, Power Steering System - Bleed. NO - go to 8.
7. Is oil still escaping from filler cap? YES - go back to 1. NO - end.
8. Is oil leaking from PAS pump? YES - go to 10. NO - continue.
9. Is oil leaking from PAS box? YES - go to 10. NO - end.

YES - establish leak point. Repair or replace unit as necessary. NO - end.