suspension FORD MUSTANG 2003 Workshop Manual

14.
CAUTION: Install the hardened washer between the lower suspension arm and
bushing and the shock absorber. Failure to do so can result in damage and failure of the
lower suspension arm and bushing.
Position the shock absorber, and install the bolt and the new nut.
15. Install the other halfshaft and knuckle assembly, toe link, and shock absorber as described in the previous steps.
16. Raise the suspension until the shock absorbers compress to the previously established alignment mark (curb height).
17. Tighten the nut. Klj . 11 ba
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18. Align the marks on the cam bolt and the upper suspension arm and bushing, and tighten the
nut.
19. Repeat the two previous steps for the other knuckle.
20. Lower the suspension and remove the jack stands.
21. Apply Anti- Seize Lubricant to the rear brake anti- lock sensors where they contact the axle
housing and install the anti- lock sensors.
z Use High Temperature Nickel Anti- Seize Lubricant F6AZ-9L494-AA or equivalent
meeting Ford specification ESE- M12A4-A.
22. Install the brake disc, and the rear disc brake caliper and support bracket assembly. For additional information, refer to Section 206 - 04 .
23. Position the parking brake cable and conduit. Klj . 12 ba
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SPECIFICATIONS
SECTION 205-
05: Rear Drive Halfshafts 2003 Mustang Workshop Manual General Specifications
Item Specification
Halfshaft assembled length 817.6 mm (32.19 in)
Torque Specifications Description Nm lb-
ft Tie-
rod end to knuckle 47 35
Shock absorber to suspension lower arm 133 98
Suspension upper arm and bushing to knuckle 90 66
Rear brake anti-
lock sensor bolt 7 5
Rear axle wheel hub retainer 325 240 Klj . 1 ba
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DESCRIPTION AND OPERATION
Rear Drive Halfshafts
The rear wheel drive halfshaft system consists of and operates as follows:
zHalfshafts (4K138) transmit engine torque from the rear axle housing to the rear wheels.
z Halfshafts rotate at approximately one- third the speed of a driveshaft and do not contribute to
rotational vibration disturbances.
z A constant velocity (CV) joint is a mechanism for transmitting uniform torque and rotary motion
while operating through a range of angles.
z CV joints at both inboard (differential) and outboard (wheel) ends provide operating
smoothness.
z The inboard CV joints are plunge- type joints that provide the axial movement necessary to
affect shaft length changes.
z The outboard CV joints have a higher angle capability than the inboard CV joints to
accommodate suspension travel.
z Inboard and outboard CV joints connect to a splined shaft.
z A driveshaft bearing retainer circlip retains the splined inboard CV joint to the differential side
gear. Install a new circlip every time you remove the halfshaft from the vehicle.
z A rear axle wheel hub retainer secures the interconnecting shaft and outboard CV joint to the
rear hub.
z The lubed-for- life CV joints use special CV joint grease. They require no periodic lubrication.
z To separate the halfshaft from the rear hub, press the outboard CV joint from the rear hub.
z To separate the halfshaft from the differential, apply a load to the back face of the inboard CV
joint assembly to overcome the circlip.
z The halfshaft assemblies are not repairable. Install a new assembly if worn/damaged.
SECTION 205-
05: Rear Drive Halfshafts 2003 Mustang Workshop Manual Klj . 1 ba
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REMOVAL AND INSTALLATION
Halfshaft
Removal
NOTE:
This procedure applies to both the LH and RH halfshafts.
1. CAUTION: The vehicle must be on level ground and at curb height.
Mark the rear shock absorber relative to the protective sleeve. zDuring installation, raise the suspension to this reference mark before tightening the
suspension component fasteners.
SECTION 205-
05: Rear Drive Halfshafts 2003 Mustang Workshop Manual Special Tool(s)
Differential Plug
205-
294 (T89P-4850- B) Differential Seal Protector
205-
461 Front Hub Remover
205-
D070 (D93P-1175- B) or
Equivalent Halfshaft Removal Tool
205-
475 Steering Arm Remover
211-
003 (T64P-3590- F) Klj . 1 ba
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2. Raise and support the vehicle. For additional information, refer to
Section 100 - 02 .
3. Remove the rear wheel and tire assembly. For additional information, refer to Section 204 - 04 .
4. Remove and discard the rear axle wheel hub retainer.
5. Remove the rear brake disc. For additional information, refer to Section 206 - 04 .
6. Remove the rear brake anti- lock sensor and position aside.
7. Support the suspension lower arm and bushing. This will ease removal of the lower shock absorber mount bolt. Klj . 2 ba
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8. Disconnect the shock absorber at the suspension lower arm and bushing. Discard the nut and
the bolt.
9. Remove and discard the cotter pin and the nut.
10. Using the special tool, disconnect the tie- rod link at the knuckle. 11. Disconnect the suspension upper arm and bushing at the knuckle. Discard the nut and the bolt. Klj . 3 ba
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7. Connect the suspension upper arm and bushing to the knuckle.
1. Position the suspension upper arm and bushing on the knuckle.
2. Install the new bolt and a new nut. Do not tighten the nut at this time.
8. Connect the tie- rod end to the knuckle.
1. Position the tie- rod link in the knuckle.
2. Install a new nut.
3. Install a new cotter pin.
9. Raise the suspension until the shock absorber is compressed to the previously established alignment mark (curb height). Klj . 7 ba
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10. Connect the shock absorber to the suspension lower arm and bushing and install the new bolt
and a new nut.
11. Tighten the nut.
12. Lower the suspension and remove the jack stand.
13. Apply Anti- Seize Lubricant to the rear brake anti- lock sensor where it contacts the axle housing
and install the anti- lock sensor.
z Use High Temperature Nickel Anti- Seize Lubricant F6AZ-9L494-AA or equivalent
meeting Ford specification ESE-M124A- A.
14. Install the rear brake disc. For additional information, refer to Section 206 - 04 .
15. Tighten the retainer. Klj . 8 ba
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For low or spongy brake pedal concerns:
zcheck and, if necessary, refill the brake master cylinder reservoir.
z bleed the brake system and retest the brake pedal feel.
z if the brake pedal is still low or feels spongy, check the brake pedal mounting for looseness and
correct installation. Check the power brake booster and the brake master cylinder for loose
mounting. Correct as necessary and retest the system for normal operation.
For a slow or incomplete brake pedal return concern:
zinspect for binding, damage, correct installation or interference at the brake pedal.
z check the power brake booster for binding, damage and correct installation.
Vibration When Brakes are Applied
For vibration concerns when brakes are applied, perform the following procedure.
Visually inspect: ztire condition and pressure.
z suspension bushings and ball joints.
Correct as necessary. 1. Verify and isolate the concern. Brake roughness can be felt in: zthe steering wheel.
z the seat.
z the brake pedal.
2. After verifying the concern, check for related concerns in the: zOn- Line Automotive Service Information System (OASIS).
z Technical Service Bulletins.
3. Check wheel bearing end- play and correct as necessary.
4. NOTE: Begin at the front of the vehicle unless the vibration has been isolated to the rear.
Remove the tire and wheel.
5. Remove the brake caliper.
6. Measure and record the brake disc thickness. Install a new brake disc if the thickness after machining will be at or below specification. The specification is molded into the brake disc. Do z
Power brake booster
z Brake pedal linkage
z Vacuum booster hose
z Tires
z Foreign material Klj . 3 ba
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