1991 FORD FESTIVA boot

Fig. 2: Installing Pinion Shaft (Capri)

Courtesy of FORD MOTOR CO.
7. Grease upper pinion bearing and install in housing using Upper Pinion Seal Replacer (T78P-3504-D). Tighten pinion bearing cover to
44-79 INCH lbs. (5-9 N.m). Then loosen it 10-20 degrees. Tighten lock nut to 29-36 ft. lbs. (40-50 N.m).
8. Using a new gasket, attach valve body to rack housing. Install yoke, spring, adjusting plug and lock nut. Tighten cover to 39-47 INCH
lbs. (4.5-5.5 N.m). Loosen cover 45 degrees. Measure pinion torque using inch lb. torque wrench and Pinion Adapter (T87C-3504-C).
9. Pinion torque should be .52-1.3 INCH lbs. (.6-1.5 N.m). If pinion torque is not within specification, loosen or tighten adjusting plug.
After pinion torque is set, tighten lock nut to 29-36 ft. lbs. (40-50 N.m). Mount steering gear in soft-jawed vise and install damper ring,
washer and tie rod.
10. Tighten tie rod to 43-58 ft. lbs. (60-80 N.m). Stake tab washer in 2 places. Position damper ring in washer. Install other damper ring,
washer and tie rod. Install tie rod dust boots and secure outer ends with clamps and inner sides with mechanics wire.
11. Install tie rod ends and adjust according to index marks put on during disassembly. Wrap electrical tape around and apply grease to
pinion shaft. Apply grease to lips of pinion shaft seal. Install pinion shaft seal using Pinion Bearing Replacer (T78P-3504-D).
12. Remove electrical tape from pinion shaft. Install support brackets and rubber bushings. Install external oil lines and 2 new copper
sealing rings.
Disassembly (Festiva)
1. Remove steering gear from vehicle and place in a soft-jawed vise. Remove fluid lines. See Fig. 3 . Place reference marks on left tie rod
end and tie rod for reassembly reference. Loosen jam nut and remove left tie rod end. Remove outer boot clamps. Remove inner boot
wires. Remove boots.

Page 4 of 9 MITCHELL 1 ARTICLE - STEERING SYSTEM - POWER 1991-92 STEERING Ford Motor Co. - Steering - Power Rack & Pi
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Fig. 5: Determining Replacement Shim Thickness (Festiva)

Courtesy of FORD MOTOR CO.
5. Having calculated required shim thickness, divide the required shim thickness by .0020" (.05 mm). This is the thickness of replacement
shims. Round off to the nearest equal shim thickness.
6. Install previously removed shim(s) into valve housing. Install new Teflon pinion seals on pinion and control valve assembly using Pinion
Valve Seal Installation Set (T81P-3504-M). Install first seal (seal closest to bearing) by sliding Mandrel (T81P-3504-M1) over va l ve
assembly to first seal groove.
7. Push seal into groove with Pusher (T81P-3504-M2). Size the seal by sliding large end of Sizer (T81P-3504-M3) over seal. Before
installing second seal, place Spacer (T81P-3504-M4) on valve assembly near splined end. Install and size using Mandrel (T81P-3504-
M1) and Pusher (T81P-3504-M2).
8. Before installing third seal, place 2 Spacers (T81P-3504-M4) on valve assembly near splined end. Install and size third seal. To install
fourth seal, turn second spacer around so the small ends of each spacer are facing. Install an size fourth seal.
9. Insert pinion and control valve assembly into valve housing, making sure it seats properly. Install New "O" ring. Install valve h o u sin g
mount bolts and tighten to 15-19- ft. lbs. (21-25 N.m). Install upper pinion bearing and seal using Pinion Seal Replacer/Torque Adapter
(T90C-3504-EH).
10. Install snap ring, support yoke and spring. Install yoke plug and tighten to 86 INCH lbs. (9.8 N.m). Loosen yoke plug and install Yoke
Plug Torque Gauge T90C-3504-CH over yoke plug. Tighten yoke plug to 38-48 INCH lbs. (4.4-5.4 N.m). Make scribe mark on support
yoke at zero point on yoke plug torque gauge.
11. Loosen yoke plug until 45 degree mark on yoke plug torque gauge is aligned with scribe mark on support yoke. Apply sealant to
exposed threads of yoke plug. Install lock nut and tighten to 36-43 ft. lbs. (49-59 N.m). Install tie rods and tie rod lock pins. Install
boots, boot wires and clips, and fluid lines.
POWER STEERING PUMP
Disassembly (Capri)
1. Drain pump. Remove rear bracket, mount bolts and brackets. Remove reservoir and "O" ring. Remove rear pump body and "O" ring.
Remove pump center body and "O" ring. Remove cam ring and pump shaft snap ring. Remove vanes from rotor. See Fig. 6
.
2. Remove rotor from shaft and note rotor position. Remove pump shaft from front of pump. Remove front bracket. Remove shaft oil seal.
Check clearance between vane and rotor. Clearance should .0004-.0024" (.01-.06 mm). Replace vanes as necessary.
3. Check clearance between bushing and shaft. Clearance should be .001-.004" (.03-.1 mm). Replace shaft or bushing as necessary.
Page 6 of 9 MITCHELL 1 ARTICLE - STEERING SYSTEM - POWER 1991-92 STEERING Ford Motor Co. - Steering - Power Rack & Pi
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1. Using Installer (T77F-1217-A), Driver Handle (T80T-4000-W) or proper sized brass drift and hammer, install inner and outer bearing
races. Pack bearings and hub area with Lubricant (C1AZ-1959D-B, C, D or E).
2. Position inner bearing in bearing hub. Lubricate grease seal lips and install seal. Ensure bearings and hub have sufficient lubricant. Place
brake drum bearings and hub assembly on spindle. To prevent damage to grease seal and spindle threads, ensure hub is correctly
centered on spindle.
3. Install outer bearing, washer and new lock nut. Stake lock nut with a blunt chisel. Adjust bearing preload. See ADJUSTMENTS &
INSPECTION.
SPINDLE
Removal & Installation (Capri)
Remove wheel, caliper and brake rotor. Loosen spindle-to-strut attaching bolts. Loosen outer rear control arm common bolt and nut. Remove
spindle-to-strut mount bolts and common control arm bolt. Remove spindle from strut. To install, reverse removal procedure.
Removal & Installation (Festiva)
Remove brake drum assembly. Remove 4 spindle attaching nuts located on inboard side of torsion beam. Support backing plate with wire and
remove spindle. To install, reverse removal procedure. Tighten spindle attaching nuts to 32-45 ft. lbs. (43-61 N.m).
STRUTS
Removal & Installation (Capri)
1. Remove wheel, caliper and brake rotor. Remove trailing arm bolt and spindle-to-strut attaching bolts. Put index mark on strut rubber
mounting bracket. Remove upper strut attaching nuts from inside vehicle. Remove strut.
2. Compress strut coil spring with Spring Compressor (T18P-5310-A) or similar. Remove strut nut while spring is compressed. Remove
rubber mounting bracket, upper and lower spring seats. Slowly release coil spring and remove spring compressor. Remove coil spring,
dust boot and rebound bumpers. To install, reverse removal procedure.
Removal (Festiva)
1. Raise and support vehicle. Remove rear wheels. Using Spring Compressor (T81P-5310-A), compress spring to unload strut. Remove rear
quarter trim panel from cargo compartment.
2. Remove jam nut and flanged nut from strut rod. Remove bushing washer and upper bushing. Remove strut lower end mounting bolt
from wheel support arm. Remove strut and separate it from spring and seat insulator. Remove lower bushing and jounce bumper seat
from strut rod. Slide jounce bumper and shield off strut. See Fig. 3
. NOTE:Nut m ust be replaced if lock flange splits or cracks during staking process. DO NOT stake with a sharp-
edged tool.
Page 3 of 7 MITCHELL 1 ARTICLE - SUSPENSION - REAR 1991-92 SUSPENSION Rear
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