Power Steering Pressure Control Valve: Service and Repair
REMOVAL1. Open hood.
2. Disconnect battery ground cable.
3. From inside vehicle, remove nuts retaining steering column tube boot to cowl panel.
4. Remove bolt retaining steering column intermediate shaft coupling to steering column lower yoke.
5. Position steering column tube boot out of the way. Remove pinch bolt retaining steering column intermediate shaft coupling to power rack and pinion steering gear and remove steering column intermediate shaft coupling.
6. Raise vehicle on a twin post hoist and remove front wheel and tire assemblies.
7. Remove exhaust system flex tube-to-dual converter Y-pipe attachment. Disconnect heated oxygen sensor wiring harness. Remove dual converter Y pipe from vehicle.
8. Support vehicle with jackstands under rear edge of front sub-frame.
9. Remove tie rod cotter pins and nuts, and remove tie rod end from RH front wheel knuckle and LH front wheel knuckle.
10. Remove nuts from steering gear-to-front sub-frame retaining bolts.
11. Remove both height sensor attachments from front suspension lower arms.
12. Remove rear sub-frame-to-body retaining bolts.
13. Raise twin post hoist carefully until rear sub-frame separates from body approximately 102 mm (4 inches).
14. Remove steering shaft u-joint shield.
15. Remove LH stabilizer bar link.
16. Disconnect power steering pressure switch electrical connectors from power steering auxiliary actuator.
17. Rotate power rack and pinion steering gear to clear bolts from front sub-frame and pull left to ease removal of power steering auxiliary actuator.
18. Remove two actuator-to-steering gear retaining bolts.
19. Lift and remove power steering auxiliary actuator from power rack and pinion steering gear.
INSTALLATION
1. Align power steering auxiliary actuator on power rack and pinion steering gear.
NOTE: Make sure that the two seals between the two mounting bolts and actuator housing and the two seals between the power steering auxiliary actuator and steering gear housing assembly are in place when setting the actuator on the power rack and pinion steering gear assembly.
2. Install power steering auxiliary actuator. Tighten mounting bolts to 33 - 41 Nm (25 - 30 ft. lbs.).
3. Reconnect power steering pressure switch electrical connector to power steering auxiliary actuator.
4. Position power rack and pinion steering gear into front sub-frame.
5. Install push-pin retainers at top of heat shield.
6. Install tie rod ends to RH front wheel knuckle and LH front wheel knuckle. Install nuts and tighten to 47 - 63 Nm (35 - 46 ft. lbs.). Install new cotter pin.
7. Install LH stabilizer bar link.
8. Lower hoist until rear sub-frame contacts body.
9. Install rear sub-frame retaining bolts. Tighten to 135 - 195 Nm (100 - 143 ft. lbs.).
10. Install power rack and pinion steering gear-to-sub-frame nuts and tighten to 97 - 132 Nm (72 - 97 ft. lbs.).
11. Install exhaust system flex tube to dual converter Y pipe. Connect oxygen sensor wiring harness.
12. Install tire and wheel assemblies. Tighten lug nuts to 115 - 142 Nm (85 - 104 ft. lbs.).
13. Remove jackstands and lower vehicle.
14. From inside vehicle, push steering column tube boot end out of vehicle and install over steering gear housing.
15. Install steering column intermediate shaft coupling to power rack and pinion steering gear. Tighten bolt to 41 - 51 Nm (31 - 37 ft. lbs.).
16. Install inner steering column tube boot to cowl panel.
17. Install steering column intermediate shaft coupling to steering column lower yoke.
18. Fill power steering system with Motorcraft MERCON Multi-Purpose (ATF) Transmission Fluid XT-2-QDX or equivalent meeting Ford MERCON specification.
19. Reconnect battery ground cable.
20. Fill power steering system.
21. Check system for leaks and proper operation.
22. Adjust toe setting.