Question about Ford Explorer

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While removing the steering rack of 97 Explorer (2wd), a little orifice dropped out of either the pressure or return tubing connection, i dont know which. The replacement rack does not have an orifice in either connection. Should I put this in the new rack, and if so, which port,and facing which direction? (This little thing is about 3/8"dia X 1/8"thick with "big" opening on one side and small orifice on the other)

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  • sjhydrick Sep 30, 2009

    I was hoping that you guys had the resources to look up the parts breakdown on this component and tell me how the little orifice goes back in

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Is there a way to get a picture of the item posted?
You can also eMail it to fixya@miaudioaddiction.com
It "sounds" like a flow restrictor, or tubing ferrule.
It should go in with the smaller end first (like a cork).

Thanks

Posted on Sep 30, 2009

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  • Master
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That little orifice is responsible to convert the torque when turning the steering wheel. The method of control is somewhat like this :
Most power steering systems work by using a hydraulic system to turn the vehicle's wheels. The hydraulic pressure is usually provided by a gerotor or rotary vane pump driven by the vehicle's engine. A double-acting hydraulic cylinder applies a force to the steering gear, which in turn applies a torque to the steering axis of the roadwheels. The flow to the cylinder is controlled by valves operated by the steering wheel; the more torque the driver applies to the steering wheel and the shaft it is attached to, the more fluid the valves allow through to the cylinder, and so the more force is applied to steer the wheels in the appropriate direction. So without fixing the orifice do not assemble the power steering rack & pinion assembly & drive the vehicle too. Get help from a traied technician.................sodeep

Posted on Sep 30, 2009

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Section 03-04A: Fuel Charging and Controls—2.0L 1995 Contour/Mystique Workshop Manual DESCRIPTION AND OPERATION Fuel Pressure Regulator The fuel pressure regulator (9C968):
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Removal
SPECIAL SERVICE TOOL(S) REQUIRED Tool Number Description T94T-6000-AH Exhaust Connector Holder Tool T57L-500-B Bench Mounted Holding Fixture
  1. Disconnect negative battery cable.
  1. Position steering wheel one-half turn to right and lock wheel.
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  1. Remove one retaining bolt from left turn pressure hose bracket.
  1. Position drain pan under steering gear.
  1. Remove power steering pressure and return hoses from fittings on power steering rack. Position both hoses out of the way. Disconnect rear HO2S connector at steering rack and position out of the way.
  1. Partially raise vehicle.
  1. Remove front wheel and tire assemblies.
  1. Remove LH upper stabilizer bar link retaining nut and position link out of the way.
  1. Loosen LH tie-rod jam nut. Remove cotter pin and tie-rod retaining nut at lower control arm. Using tie-rod end separator or equivalent, remove tie-rod from control arm and from steering gear.
  1. Loosen RH tie-rod jam nut. Remove cotter pin and tie-rod retaining nut at lower control arm. Using tie-rod end separator or equivalent, remove tie-rod from control arm and from steering gear.
  1. Raise vehicle.
  1. Remove drain pan.
  1. Remove two steering gear retaining nuts at front subframe.
  1. Install Exhaust Connector Holder Tool T94T-6000-AH on flex tube.
  1. Remove bolts, nuts, and gasket from where flex tube and converter Y-pipe connect. Separate tube from pipe.
  1. Position Rotunda Power Train Lift 014-00765 or equivalent with wood blocks approximately 1016 mm (40 inches) in length (secured to lift) under subframe and raise.
  1. Remove two rear subframe retaining bolts and lower subframe approximately 102 mm (4 inches).
  1. Rotate power steering rack to clear bolts from subframe and remove assembly through LH wheel well.
  1. Remove two bolts retaining power steering hose bracket to short rack and remove bracket.
  1. Mount steering gear assembly in Bench Mounted Holding Fixture T57L-500-B.
  1. Remove four clamps retaining bellows to steering gear and tie-rods. Remove bellows and power steering gear rack tube.
  1. Position rack and pinion steering gear so several steering gear teeth are exposed. Hold steering gear with adjustable wrench on end teeth only, while loosening inner tie-rods. Remove tie-rods from steering rack. Remove steering rack from bench-mounted holding fixture.
Installation
  1. Mount new steering gear assembly in Bench Mounted Holding Fixture T57L-500-B.
  1. Position rack and pinion steering gear so several steering gear teeth are exposed. Hold steering gear with adjustable wrench on end teeth only, while tightening inner tie-rods. Tighten to 90-110 Nm (66-81 lb-ft).
  1. Apply Steering Gear Grease C3AZ-19518-A meeting Ford specification ESB-M1C119-A to groove in connecting rods where tie-rod bellows clamp to front wheel spindle tie-rod and uniformly apply to inner diameter of bellows. Install bellows and gear rack tube onto short rack.
  1. Install new inner and outer bellows clamps.
  1. Remove steering gear from Bench Mounted Holding Fixture and place on bench.
  1. Install power steering hose bracket and retaining bolts at top of steering gear. Tighten to 9-12 Nm (80-106 lb-in).
  1. Install steering gear retaining bolts in steering gear housing and install short rack through LH wheel well.
  1. Position steering rack and retaining bolts through subframe. Raise powertrain lift until rear subframe contacts body and install retaining bolts. Tighten to 135-195 Nm (100-144 lb-ft). Lower and remove powertrain lift from vehicle.
  1. Install power steering short rack-to-subframe nuts. Tighten to 97-132 Nm (72-97 lb-ft).
  1. Install new gasket, bolts and nuts at converter Y-pipe and flex tube. Tighten to 34-46 Nm (26-34 lb-ft).
  1. Remove flex tube holder.
  1. Partially lower vehicle.
  1. Install LH jam nut and outer tie-rod to inner tie-rod. Install tie-rod to steering knuckle. Install retaining nut. Tighten to 47-63 Nm (35-46 lb-ft). Install new cotter pin.
  1. Install LH stabilizer bar link and retaining nut. Tighten to 76.5-103.5 Nm (57-76 lb-ft).
  1. Install RH jam nut and outer tie-rod to inner tie-rod. Install tie-rod to steering knuckle. Install retaining nut. Tighten to 47-63 Nm (35-46 lb-ft). Install new cotter pin.
  1. Install tire and wheel assemblies. Tighten to 115-142 Nm (85-105 lb-ft).
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  1. Remove old Teflon® O-rings from pressure and return hoses. Install new Teflon® O-rings on pressure and return hoses.
  1. Install power steering pressure hose and return hose to fittings on power steering short rack. Tighten to 33-41 Nm (24-30 lb-ft).
  1. Install one retaining bolt to left-turn pressure hose bracket. Tighten to 9-12 Nm (80-106 lb-in).
  1. Connect rear HO2S connectors, power steering auxiliary actuator, and power steering pressure switch electrical connectors.
  1. Position heat shield at power steering hose bracket and install pushpin retainers.
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  1. Install steering column intermediate shaft coupling to power steering short rack and install pinch bolt. Tighten to 41-51 Nm (30-38 lb-ft). Position steering column boot over steering rack.
  1. Fill and purge system.
  1. Check operation.
  1. Adjust only toe for alignment. Refer to Section 04-00 .

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1 Answer

Steering Rack boot replacement


In my opinion, removing the front subframe makes this job much easier.

Jack up and suitably support the front of the car so it is in a wheels free state.
With wheels removed;

  • Remove the anti-roll bar drop links from the anti-roll bar
  • Free off the lower arm ball joints off
  • Remove the track rod ends from the swivel hubs
  • Remove the nut and bolt and special clip on the lower steering column universal joint
  • loosen off and disconnect the feed and return pipes to the power ram (beware stinking power steering fluid pouring everywhere!)
Steering and suspension wise, the subframe should be free!



  • Remove the nut and bolt that secures the lower engine mounting to its bracket (the bolt that goes through the big round rubber mount at the back of the engine)
  • Disconnect all relevant gear linkage rods (this will be clear when you are under there!)
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1 Answer

How to change the power steering on 96 ford explorer


Section 11-02C: Steering Gear, Power Rack and Pinion, Explorer 1996 Explorer with Power Rack and Pinion Steering Workshop Manual REMOVAL AND INSTALLATION Steering Gear SPECIAL SERVICE TOOL(S) REQUIRED Description Tool Number Pitman Arm Puller T64P-3590-F
Removal
  1. Start engine.
  1. Rotate steering wheel from lock-to-lock (entire gear travel). Record n umber of rotations.
  1. Divide the number of rotations by two. This gives the required number of turns to place system in the on-center position.
  1. NOTE: Verify the front wheels and steering wheel are in the straight-ahead position.

    From the lock position, rotate steering wheel the number of turns determined in Step 3. This places the gear in the on-center position.


    Steering Gear, Explorer




  1. NOTE: Do not rotate steering column when intermediate shaft is disconnected or DAMAGE TO CLOCKSPRING will result.

    Remove bolt retaining the lower steering column shaft to the steering gear input shaft.




  1. Disconnect the lower steering column shaft from the steering gear.
  1. Remove stabilizer bar attachment from frame for clearance to remove gear.
  1. Unscrew the quick connect fittings for the power steering pressure hose (3A719) and power steering return hoses (3A713) at the steering gear housing (3548).


    Power Steering Hose Connections





    Item Part Number Description 1 3A674 Power Steering Pump 2 3A719 Power Steering Pressure Hose 3 3F780 Power Steering Cooler and Hose Assembly 4 3504 Steering Gear 5 5005 Frame
  1. Plug ends of fluid lines removed and ports in gear to prevent damage and entry of dirt.
  1. Remove two (2) nuts from P/S cooler.
  1. Remove P/S cooler from vehicle.
  1. Remove and discard the cotter pin retaining the nut to tie rod end (3A130) and remove nut.
  1. Separate tie rod ends from front wheel spindle (3105) using Pitman Arm Puller T64P-3590-F.




  1. Remove the two nuts, bolts, and washer assemblies retaining steering gear (3504) to front crossmember (5019).
  1. Remove steering gear from vehicle. If required, remove steering gear mounting bracket housing insulators (3F640) and steering gear insulators (3C716) from steering gear housing.





    Item Part Number Description 1 N807881-S60 Bolt 2 385935-S36 Washer 3 3F640 Steering Gear Mounting Housing Insulator 4 3504 Steering Gear 5 N800255-S60 Nut 6 5019 Front Crossmember 7 3C716 Steering Gear Insulator
Installation
  1. If removed, install steering gear mounting insulators into the steering gear housing.
  1. Push the steering gear mounting insulator and steering gear insulator in until there is no space between the lip on the insulator and steering gear housing.
  1. Position steering gear on front crossmember. Install nuts, bolts and washers retaining steering gear to front crossmember. Tighten to 128-172 Nm (94-127 lb-ft).
  1. Position power steering cooler onto bolts and install nuts. Tighten nuts to 68-92 Nm (50-68 lb-ft).
  1. NOTE: The fittings design allows the power steering pressure hose and power steering return hose to swivel when properly tightened. Do not attempt to eliminate looseness by overtightening, since this can cause damage to fittings.

    Connect power steering pressure hose and power steering return hose to appropriate ports on steering gear housing. Tighten fittings to 27-34 Nm (20-25 lb-ft).
  1. NOTE: Make sure the tie rod ends (3A131) are seated in the tapered spindle holes to prevent rotation while tightening nut.

    With the steering gear, steering wheel (3600) and wheel (1007) in the on-center position, attach the tie rod end to front wheel spindle and tighten to 56-76 Nm (77-103 lb-ft).
  1. If necessary, advance tie rod nuts to the next slot. Install cotter pins.
  1. NOTE: Verify that no rotation from the on-center position has occurred.

    Position steering column lower intermediate shaft over steering gear input shaft. Outer input shaft dust shield must be in place. Replace pinch bolt and tighten to 41-56 Nm (30-42 lb-ft).
  1. Replace the front wheel and tire assemblies. Refer to Section 04-04 .
  1. Replace wheel covers.
  1. Lower vehicle.
  1. Refill power steering oil reservoir (3A697) with Premium Power Steering Fluid E6AZ-19582-AA or equivalent meeting Ford specification ESW-M2C33-F.
  1. Purge air from steering system. Refer to Section 11-00 . Verify absence of any unusual power steering noise.
  1. Check and adjust toe alignment specifications. Refer to Section 04-00 .
  1. Make sure steering gear operates correctly and is not leaking.
  1. Check and adjust fluid level in power steering oil reservoir.

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