FORD FESTIVA 1991 Owner's Guide

Fig. 3: Power Brake Unit Troubleshooting

CHECK VALVE
On Capri, check valve is located on power brake unit. On Festiva, check valve is located in vacuum hose connecting power booster to intake
manifold. Disconnect check valve vacuum hose from manifold. Alternately apply vacuum and pressure to hose. Ensure air flows only toward
engine. If pressure by-passes check valve or if check valve blocks vacuum, replace hose and check valve.
REMOVAL & INSTALLATION
FRONT BRAKE CALIPER & PADS
Removal & Installation (Capri)
1. Raise and support front of vehicle. Remove wheels. Using needle-nose pliers, remove brake pad pin retainer spring. Remove brake pad
pins. Remove brake pads and shims. Mark shims so they can be reinstalled in their original position. DO NOT discard shims from inner
brake pad.
2. Remove flex hose-to-caliper banjo bolt. Remove caliper retaining bolts and caliper. To install, reverse removal procedure. Ensure brake
pad shims are installed behind inner brake pad.
Removal & Installation (Festiva)
1. Raise and support front of vehicle. Remove wheels. Remove brake pad pin retainer clip. Remove brake pad pins and anti-rattle spring.
Remove brake pads and shims. Mark shims so they can be reinstalled in their original position. DO NOT discard shims from inner brake
pad.
2. To install, reverse removal procedure. Ensure brake pad shims are installed behind inner brake pad.
FRONT BRAKE ROTOR & HUB
Removal
1. Raise and support front of vehicle. Remove wheel. Unstake axle shaft lock nut tab. Apply brakes (to lock hub) and remove drive shaft
NOTE:On Festiva, check valve is pressed into hose. An arrow on hose indicates direction of vacuum flow.
NOTE:Front knuckle, disc brake rotor and hub are rem oved as an assem bly.
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lock nut. Discard axle lock nut. Separate tie rod end from knuckle.
2. Disconnect brake hose from strut (if necessary). Remove brake caliper assembly from knuckle and wire out of way. Remove nuts and
bolts holding ball joint and strut to knuckle assembly.
3. Remove knuckle assembly from ball joint and drive shaft. If binding occurs, use a dual-jawed puller to force knuckle/hub/rotor assembly
off drive axle shaft.
4. Using a puller, separate knuckle from wheel hub. Retain original outer bearing preload spacer to maintain bearing preload setting. If
replacing bearing, change spacer to maintain proper bearing preload (if necessary). See FRONT WHEEL BEARINGS under REMOVAL
& INSTALLATION. Scribe match marks between hub and rotor assembly. Remove rotor-to-hub bolts. Separate hub from rotor.
Installation
Align marks and install rotor on hub. Press knuckle and preload spacer into wheel hub assembly. To complete installation, reverse removal
procedure. Tighten axle shaft lock nut to 117-175 ft. lbs. (159-237 N.m).
REAR BRAKE CALIPER & PADS
Removal (Capri)
1. Raise and support vehicle. Remove tire and wheel assembly. Using needle-nose pliers, remove parking brake return spring. Loosen
parking brake cable housing adjusting nut. Remove cable housing from bracket on lower control arm. Loosen parking brake cable
bracket-to-caliper attaching bolt. Remove parking brake cable from caliper.
2. Remove lower caliper retaining bolt. Pivot caliper upward on upper caliper guide pin. Remove brake pad retaining spring, pads and
shims. If replacing rear brake pads only, reverse removal procedure to install. If removing caliper, proceed to next step.
3. Remove attaching clip from brake flex hose. Remove flex hose banjo bolt from caliper and discard copper washers. Remove lower
caliper retaining bolt. Using a cold chisel, remove upper caliper guide pin dust cap. Using an Allen wrench, remove upper caliper guide
pin. Lift caliper off rotor.
Installation
1. To install, fit brake pads and shims into caliper anchor plate. Remove upper guide pin and lower guide pin bushing from caliper.
Remove guide pin and guide pin bushing dust boots. Lubricate upper guide pin and lower guide pin bushing with Disc Brake Caliper
Slide Grease (D7AZ-19590-A).
2. To complete installation, reverse removal procedure. To fit caliper over new brake pads, it may be necessary to rotate caliper piston into
caliper bore. Use NEW copper washers on flex hose. Bleed brakes, and then pump brake pedal several times to seat pads.
REAR BRAKE ROTOR
Removal & Installation (Capri)
See REAR WHEEL BEARINGS under REMOVAL & INSTALLATION.
REAR BRAKE SHOES
Removal & Installation (Festiva)
Remove brake drum. Remove hold-down springs. Remove return springs. Remove self adjuster. See Fig. 8 . To install, reverse removal
procedure. Apply brake grease to all shoe contact points. See REAR BRAKE SHOES under ADJUSTMENTS.
REAR WHEEL CYLINDER
Removal & Installation (Festiva)
Remove rear brake shoes. Disconnect brake line from wheel cylinder. Remove wheel cylinder. To install, reverse removal procedure. Bleed
brake system.
MASTER BRAKE CYLINDER
Removal
Disconnect low fluid level sensor wiring (if equipped). Drain some brake fluid from reservoir. Disconnect brake lines from master cylinder.
Cap lines and master cylinder ports. Remove attaching nuts and master cylinder.
Installation
To install, reverse removal procedure. Fill master cylinder to proper level and bleed hydraulic system (if necessary).
POWER BRAKE UNIT
Removal & Installation
Remove master cylinder. Disconnect vacuum line. Remove clevis pin at brake pedal. Remove power brake unit. To install, reverse removal
procedure.
FRONT WHEEL BEARINGS NOTE:Hub and rotor are a m atched and balanced assem bly. Before rem oving rotor, locate paint or etch
m ark indicating proper hub-to-rotor alignm ent. If m arks are not present, m ark hub and rotor for
assem bly alignm ent. Failure to properly align hub and rotor can result in an im balance condition.
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Removal
Remove rotor and hub assembly from steering knuckle. Separate rotor, knuckle and hub. See FRONT BRAKE ROTOR & HUB under
REMOVAL & INSTALLATION. Press outer bearing from hub using Bearing Splitter (D84L-1123-A) and Shaft Protector (D80L-625-2).
Remove and discard outer grease seal. Pry inner wheel bearing grease seal from steering knuckle using a large screwdriver. Discard seal.
R e mo ve in n e r b e a r in g.
Bearing Preload
1. Use Spacer Selector Set (T87C-1104-B) to check and adjust preload. Install spacer selector into steering knuckle and clamp tool in vise
where shock absorber mounts, before installing hub/rotor assembly into steering knuckle. See Fig. 4
.

Fig. 4: Installing Preload Spacer Selector Set

Courtesy of FORD MOTOR CO.
2. Tighten center bolt from spacer selector set, in increments, to 36, 72, 108 and finally 145 ft. lbs. (49, 98, 147 and 196 N.m). Each time
center bolt is tightened, seat bearings by rotating hub by hand. Using an inch-pound torque wrench, measure torque required to turn
center bolt. Ensure torque reading is taken just as wrench starts to rotate.
3. Preload spacer thickness is correct if torque wrench indicates 2.2-16 INCH lbs. (.25-1.8 N.m). If measurement indicates less than 2.2
INCH lbs. (.25 N.m), a thinner spacer must be installed. If measurement indicates more than 16 INCH lbs. (1.8 N.m), a thicker spacer
must be installed.
4. Bearing spacers are available in various thicknesses. See PRELOAD SPACER AVAILABILITY table. Changing spacer thickness one
number changes bearing preload 1.8-3.5 INCH lbs. (.2-.4 N.m). Ensure correct spacer is installed and preload is within specification.
Remove preload spacer selector set.
PRELOAD SPACER AVAILABILITY
Stamped Mark On SpacerIn. (mm)
10.2474 (6.285)
20.2490 (6.325)
30.2506 (6.365)
40.2522 (6.405)
50.2537 (6.445)
60.2553 (6.485)
70.2569 (6.525)
80.2585 (6.565)
90.2600 (6.605)
100.2616 (6.645)
110.2632 (6.685)
120.2648 (6.725)
130.2663 (6.765)
140.2679 (6.805)
150.2695 (6.845)
160.2711 (6.885)
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Installation
1. Lubricate bearings with appropriate wheel bearing grease. Place inner bearing into steering knuckle. Install new inner bearing gr e a se
seal, and drive seal into place using appropriate seal installer.
2. Place original outer wheel bearing preload spacer (or spacer selected during preload inspection process) into steering knuckle bore.
Place outer wheel bearing into steering knuckle bore.
3. Liberally lubricate lip of NEW outer grease seal with appropriate lubricant. Drive seal into steering knuckle bore. Install brake rotor on
hub axle hub. Tighten bolts to 33-40 ft. lbs. (45-54 N.m). Position rotor/hub assembly into steering knuckle, and press assembly into
place using adapter from spacer selector set. To complete installation, reverse removal procedure.
REAR WHEEL BEARINGS
Removal & Installation
1. Raise and support rear axle. Remove wheel. Remove wheel bearing dust cap. On Capri, remove rear brake caliper. See REAR BRAKE
CALIPER & PADS under REMOVAL & INSTALLATION. On all models, carefully unstake rear axle lock nut using a chisel. DO NOT
damage threads on axle spindle. Remove and discard axle nut.
2. On Capri, remove rotor/hub assembly. On Festiva, remove brake drum/hub assembly. On all models, DO NOT allow outer wheel
bearing to fall out of hub. Remove inner bearing grease seal. Remove inner bearing. To install rear bearings, reverse removal procedure.
Adjust rear wheel bearings. See REAR AXLE BEARINGS under ADJUSTMENTS.
OVERHAUL

Fig. 5: Exploded View of Front Brake Assembly (Capri)

Courtesy of FORD MOTOR CO.
170.2726 (6.925)
180.2742 (6.965)
190.2758 (7.005)
200.2774 (7.045)
210.2789 (7.085)
NOTE:See Fig. 5
-12 for exploded views of brake assem blies and com ponents.
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Fig. 6: Exploded View of Front Brake Assembly (Festiva)

Courtesy of FORD MOTOR CO.

Fig. 7: Exploded View of Rear Brake Caliper (Capri)

Courtesy of FORD MOTOR CO.
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Fig. 8: Exploded View of Rear Brake Assembly (Festiva)

Courtesy of FORD MOTOR CO.

Fig. 9: Exploded View of Rear Wheel Cylinder (Festiva)

Courtesy of FORD MOTOR CO.
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Fig. 10: Exploded View of Power Brake Booster (Festiva)

Courtesy of FORD MOTOR CO.

Fig. 11: Exploded View of Master Cylinder (Capri)

Courtesy of FORD MOTOR CO.
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Fig. 12: Exploded View of Master Cylinder (Festiva)

Courtesy of FORD MOTOR CO.
TORQUE SPECIFICATIONS
TORQUE SPECIFICATIONS
DISC BRAKE SPECIFICATIONS
DISC BRAKE SPECIFICATIONS
ApplicationFt. Lbs. (N.m)
Backing Plate/Spindle Bolts (Rear)32-45 (43-61)
Brake Hose to Caliper16-22 (22-30)
Caliper Guide/Mounting Bolt29-36 (39-49)
Caliper Banjo Bolt16-21 (22-29)
Front Drive Axle Nut117-175 (159-237)
Hub-To-Rotor Bolt33-40 (45-54)
Power Booster Mounting Nuts
Capri14-19 (19-26)
Festiva12-17 (16-23)
Rear Axle Nut(1)
Rear Strut/Spindle (Capri-Rear)69-86 (93-117)
Rotor-To-Hub Bolts33-40 (44-54)
Steering Knuckle-To-Control Arm32-40 (43-54)
Steering Knuckle-To-Strut69-86 (93-117)
Steering Knuckle-To-Tie Rod21-33 (29-44)
Wheel Lug Nut65-87 (88-118)
INCH Lbs. (N.m)
Master Cylinder-To-Booster Nut89-142 (10-16)
Wheel Cylinder Mounting Bolt89-106 (10-12)
(1)See REAR AXLE BEARINGS under ADJUSTMENTS.
ApplicationIn. (mm)
Capri
Lateral Runout.004 (.1)
Parallelism.004 (.1)
Original Thickness
Front.71 (18)
Rear.39 (10)
Min imu m Refin ish Th ickn ess
Front.660 (16.762)
Rear.384 (9.762)
Discard Thickness
Front.63 (16)
Rear.35 (9)
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DRUM BRAKE SPECIFICATIONS
DRUM BRAKE SPECIFICATIONS
Minimum Brake Pad Thickness.12 (3)
Master Cylinder Diameter.811 (20.6)
Festiva
Lateral Runout.004 (.1)
Parallelism.004 (.1)
Original Thickness.5 (13)
Min imu m Refin ish Th ickn ess.46 (11.762)
Discard Thickness.43 (11)
Minimum Brake Pad Thickness.12 (3)
Minimum Brake Pad Thickness (1992).16 (4)
ApplicationIn. (mm)
Drum Diameter
Original6.69 (170)
Maximum Refinish Diameter6.75 (171.5)
Min imu m Lin in g Th ickn ess.04 (1.0)
Copyr ight 2009 Mitchell Repair Information Company, LLC. All Rights Reserved.
Article GUID: A00044014
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Back To Article
AXLE SHAFT S - FRONT
1988-93 Drive Axles - FWD Axle Shafts
DESCRIPTION & OPERATION
Axle shafts transfer power from transaxle to driving wheels. All axle shafts consist of a shaft with a flexible Constant Velocity (CV) joint at
each end. Inner CV joint is coupled to transaxle by splines. Outer CV joint is splined to hub assembly and secured by axle shaft nut.
Three different types of axle shaft CV joints are used: Double Offset Joint (DOJ) or Rzeppa type, Birfield Joint (BJ) and the Tripot Joint (TJ).
CV joint boots protect CV joints by maintaining proper lubrication and preventing contaminants from entering joint. Boots must be replaced
when signs of leakage or cracks are present. Inner CV joint may be disassembled and serviced. Outer CV joint boot may be replaced, but outer
Birfield CV joint must NOT be disassembled. It must be replaced as an assembly, if faulty.
To prevent torsional vibration and torque steer on turbocharged Capri vehicles, an intermediate shaft and conventional axle shaft are used on
the right side. Both shafts are of similar length and are supported by a bearing, which is attached to engine.
CV JOINT IDENTIFICATION
TROUBLE SHOOTING
REMOVAL, DISASSEMBLY, REASSEMBLY & INSTALLATION
FWD AXLE SHAFTS
Removal
1. Raise and support vehicle. Remove lower underbody splash shields. Drain transaxle fluid. Remove front wheels and loosen axle shaft
lock nut. On Capri, remove stabilizer bar-to-control arm attaching nuts, bolt, washers and bushings. On Festiva, remove stabilizer bar
attaching nuts and bracket. On all models, remove joint clamp bolt from lower control arm. Pry downward and separate steering knuckle
from ball joint, taking care not to damage ball joint dust boot.
2. On Capri turbo, remove bolts securing intermediate shaft bearing bracket to engine. On all models, slowly pry axle shaft from transaxle
using a flat-tip screwdriver or pry bar. Axle is held into transaxle by a circlip fitted to the end of the axle. Remove axle shaft from wheel
hub. If difficult to remove, use axle puller to remove axle from drive hub. Remove axle shaft from transaxle. Plug transaxle openings
with Plugs (T87C-7025-C ). Remove axle shaft assembly from vehicle. See Fig. 1
.

Fig. 1: Removing & Installing Axle Shafts

Courtesy of FORD MOTOR CO.
ApplicationJoint Type
Outer JointBirfield (BJ)
In n er Jo in t
Automatic TransaxleTripot (TJ)
Manual TransaxleRzeppa (DOJ)
NOTE:See TROUBLE SHOOTING - BASIC PROCEDURES article in GENERAL INFORMATION.
CAUTION: Dam age to CV joint will occur if a ham mer is used to separate half-shaft from wheel hub.
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