1991 FORD FESTIVA tires

If temperature gauge always reads hot, check these items:
Check for temperature gauge wire shorted to ground.
Check for defective temperature sender.
Check for defective temperature gauge.
Check for defective instrument panel voltage regulator (Festiva).
Temperature Gauge Inaccurate
If temperature gauge is inaccurate, check these items:
Check for faulty (loose or corroded) wire connections.
Check for defective temperature sender.
Check for defective instrument panel voltage regulator (Festiva).
SPEEDOMETER
Speedometer Does Not Operate
If speedometer does not operate, check these items:
Check for broken speedometer drive cable.
Check for broken drive gear in transmission.
Check for defective speedometer head.
Speedometer Needle Bounces
If speedometer needle bounces, check these items:
Check for binding speedometer drive cable.
Check for missing teeth on drive gear in transmission.
Check for defective speedometer head.
Speedometer Does Not Indicate Correct Vehicle Speed
If speedometer does not indicate correct vehicle speed, check these items:
Check for incorrect size tires.
Check for improper tire inflation.
Check for defective speedometer head.
TACHOMETER (CAPRI)
Tachometer Does Not Work, But All Other Gauges Work Properly
-If tachometer does not work, but all other gauges function properly, check these items:
Check for defective tachometer.
Check for open Yellow/Black tachometer signal wire from ignition coil to instrument panel.
Check for faulty Black ground wire to instrument panel.
Tachometer & All Gauges Do Not Function
If tachometer and all other gauges do not function properly, check these items:
Check for blown 10-amp METER fuse in fuse panel.
Check for open in Black/Yellow wire to fuse panel to instrument panel and Black/White wire from ignition switch to fuse panel
Tachometer Reading Low
If tachometer reading is lower than normal, check these items:
Check for defective tachometer.
Check for faulty Black ground wire at instrument panel.
TURBO BOOST GAUGE (CAPRI)
Turbo Boost Gauge Always Reads Low
If turbo boost gauge always reads low, check these items:
Check boost gauge for open or damaged wires.
Check for defective boost sensing unit.
Check for defective boost gauge.
Check for blown 10-amp METER fuse in fuse panel.
Check for loose or corroded connections.
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levels to proper level.
Removal (1.6L & 1.6L Turbo)
1. Relieve fuel pressure and discharge air conditioning system (if equipped). See FUEL PRESSURE RELEASE under REMOVAL &
INSTALLATION. Disconnect and remove battery, battery tray and battery tray support bracket.
2. Release wiring harness retaining straps from battery support tray. Disconnect windshield washer supply hose between fluid reservoir and
hood. Mark hinge locations and remove hood.
3. Disconnect intake air tube and wiring to ignition coil and vane airflow meter. Remove air cleaner/vane airflow meter assembly. Remove
air cleaner assembly support brackets. Disconnect intercooler hoses from turbocharger (if equipped).
4. Drain engine coolant and remove radiator. Disconnect accelerator cable, and remove retaining bracket from cam cover. Position cable to
one side.
5. Disconnect and plug fuel lines at fuel filter and pressure regulator. Disconnect power brake booster manifold vacuum hose from
manifold. Disconnect heater hoses at heater core tubes. Label and remove vacuum hoses located at throttle body.
6. For manual transaxle turbocharged vehicles, disconnect clutch cable and remove support bracket and cable from transmission. On non-
turbo vehicles, disconnect clutch slave hydraulic line. For automatic transaxle, remove transaxle cooler lines.
7. Disconnect starter wiring at starter. Remove harness from locating strap on bracket. Disconnect alternator wiring. Disconnect wiring
from engine coolant sensors located on rear of engine block. Remove ground connection at bracket on thermostat cover. Disconnect O2
sensor wire, main wiring harness connector, TPS connector (turbocharged only), knock sensor connector, distributor wiring and
transaxle wiring. Disconnect ground wire and strap at front of engine, and reinstall lifting eye.
8. Remove engine oil dipstick and retaining clip. Remove power steering pump from mounting bracket. Remove power steering pump
mounting bracket. With hoses attached, position pump aside. Remove upper air conditioning compressor retaining bolts (if equipped).
9. Raise vehicle on hoist. Drain engine oil and cooling system. On vehicles with air conditioning, remove lower air conditioning
compressor mounting bolts, and position compressor out of way.
10. Remove front wheels and tires. Remove front ball joints-to-ste e r in g kn u c kl e s r e t a in in g b o l t s. R e mo ve sp l a sh gu a r d s. Dr a in t ransmission
oil and remove half shafts from differential. Remove front exhaust pipe bracket located on lower side of engine. Disconnect front
exhaust pipe from exhaust manifold, or turbocharger (if equipped).
11. Remove frame support bar-to-engine support bolt. Loosen right control arm bolt and, pivot support bar downward. Disengage rubber
exhaust hangers located directly behind catalytic converter. Allow exhaust system to hang down 6 inches, and support system with
mechanic's wire. Unbolt shift linkage and stabilizer bar at transaxle. Remove nuts from front and rear engine mounts, and lower vehicle.
12. Attach chains onto lift eyes at ends of cylinder head, and support engine with hoist. Remove RH engine mount through bolt. Raise
engine off mounts and slightly pivot engine/transaxle assembly. Disconnect oil pressure sensor and route starter/alternator wiring
harness from engine. Carefully lift engine/transaxle assembly, turn assembly while raising to clear brake master cylinder, shift linkage
universal joint, radiator support and air conditioning lines (if equipped).
13. Remove intake manifold support bracket. Remove gusset plate(s) (if equipped). Remove starter. Remove transaxle-to-engine retaining
bolts. Identify bolts to ensure correct installation. Separate transaxle from engine. On manual transaxle, remove pressure plate, clutch
disc and flywheel. On automatic transaxle, remove flexplate.
Installation (1.6L & 1.6L Turbo)
1. Install transaxle to engine in reverse order of removal. Attach hoist to engine/transaxle assembly and position assembly in vehicle.
Before engine contacts mounts, route starter, alternator and oil pressure sensor wiring, and connect oil pressure sensor. Lower engine
until front mount seats on crossmember. Install through bolt on RH engine mount. DO NOT tighten bolt.
2. Remove hoist. Raise vehicle and support with jackstands. Align rear engine mount to crossmember, and install retaining nuts to front
and rear engine mounts. Tighten nuts to specification. See TORQUE SPECIFICATIONS
table at end of article.
3. On manual transaxles, connect shift coupling and stabilizer. Tighten to specification. On automatic transaxles, connect shift linkage and
oil cooler lines. Tighten linkage retaining bolt, shift cable pivot and oil cooler hose clamps to specification. Connect front exhaust pipe
to manifold (or turbocharger). Install exhaust pipe to support bracket. Tighten bolts to specification. Tighten manifold (or turbocharger)
to specification. Attach rubber exhaust hangers. Position cross brace. Tighten retaining nut and bolt and right control arm front bolt.
4. Install drive axles. Install ball joint retaining bolts and tighten to specification. Mount A/C Compressor to engine (if equipped). Tighten
lower retaining bolts to specification. Install splash guards. Install tire and wheel assemblies. Tighten retaining nuts to specification.
5. Lower vehicle. Install upper A/C compressor retaining bolts (if equipped). Tighten bolts to specification. Tighten RH engine mo u n t
through bolt to specification. Connect alternator wiring.
6. Position power steering pump bracket on stud. Lower pump into engine compartment. Install power steering pump bracket retaining
bolts and nut. Tighten to specification. Install power steering pump and belt. Tighten adjustment nut and pivot bolt to specification.
7. Install engine oil dipstick and retaining clip. Install ground strap and ground wire to cylinder head. Install clutch cable (if equipped).
Connect clutch hydraulic line if equipped with manual transaxle or naturally aspirated. Connect transmission electrical connectors.
Connect fuel lines to fuel filter and pressure regulator. Install intake air tube to throttle body.
8. Install intercooler hoses on turbocharged models. Install air cleaner assembly brackets. Install air cleaner assembly with airflow meter
attached. Install intake air tube. Install coil and airflow meter connectors. Connect coolant crankcase and air bypass hoses. Install
vacuum hoses as noted in disassembly.
9. Connect accelerator cable. Install retaining bracket. Install power brake booster hose. Remove speedometer cable from transaxle. Fill
transaxle to specification. See CAPACITIES in SERVICE & ADJUSTMENT SPECIFICATIONS article. Install speedometer cable.
Connect speedometer cable connector. Fill engine oil to capacity.
10. Install radiator/fan assembly. Tighten bracket retaining bolts to specification. Connect coolant hoses and fan electrical connector. Fill
coolant to specification.
11. Install hood and connect washer hose. Install battery tray support, battery tray, battery and battery hold-down. Connect battery
terminal. Evacuate and charge air conditioning system (if equipped). Road test vehicle and inspect for leaks.
INTAKE MANIFOLD
Removal (1.3L)
CAUT ION: DO NOT allow com pressor to hang by hoses. T ie up com pressor with m echanic's wire.
Page 2 of 19 MITCHELL 1 ARTICLE - ENGINE OVERHAUL 1991-92 FORD MOTOR CO. ENGINES 1.3L & 1.6L 4-Cylinder
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BRAKES
BRAKE SYSTEM TROUBLE SHOOTING
BRAKE SYSTEM TROUBLE SHOOTING CHART
CONDITIONPOSSIBLE CAUSE
Insufficient, Erratic, or No HeatLow Coolant Level
.....Incorrect thermostat.
.....Restricted coolant flow through core.
.....Heater hoses plugged.
.....Misadjusted control cable.
.....Sticking heater control valve.
.....Vacuum hose leaking.
.....Vacuum hose blocked.
.....Vacuum motors inoperative.
.....Blocked air inlet.
.....Inoperative heater blower motor.
.....Oil residue on heater core fins.
.....Dirt on heater core fins.
Too Much HeatImproperly adjusted cables.
.....Sticking heater control valve.
.....No vacuum to heater control valve.
.....Temperature door stuck open.
Air Flow Changes During AccelerationVacuum system leak.
.....Bad check valve or reservoir.
Air From Defroster At All TimesVacuum system leak.
.....Improperly adjusted control cables.
.....Inoperative vacuum motor.
Blower Does Not Operate CorrectlyBlown fuse.
.....Blower motor windings open.
.....Resistors burned out.
.....Motor ground connection loose.
.....Wiring harness connections loose.
.....Blower motor switch inoperative.
.....Blower relay inoperative.
.....Fan binding or foreign object in housing.
.....Fan blades broken or bent.
NOTE:This is GENERAL inform ation. This article is not intended to be specific to any unique situation or
individual vehicle configuration. T he purpose of this T rouble Shooting inform ation is to provide a list
of com m on causes to problem sym ptom s. For m odel-specific T rouble Shooting, refer to SUBJECT ,
DIAGNOST IC, or T EST ING articles available in the section(s) you are accessing.
CONDITION & POSSIBLE CAUSECORRECTION
Brakes Pull Left or Right
Incorrect tire pressureInflate tires to proper pressure
Front end out of alignmentSee WHEEL ALIGNMENT
Mismatched tiresCheck tires sizes
Restricted brake lines or hosesCheck hose routing
Loose or malfunctioning caliperSee DISC BRAKES or
BRAKE SYSTEM
Bent shoe or oily liningsSee DRUM BRAKES or
BRAKE SYSTEM
Malfunctioning rear brakesSee DRUM, DISC BRAKES
or BRAKE SYSTEM
Loose suspension partsSee SUSPENSION
Noises Without Brakes Applied
Front linings worn outReplace linings
Dust or oil on drums or rotorsSee DRUM, DISC BRAKES
or BRAKE SYSTEM
Noises With Brakes Applied
Insulator on outboard shoe damagedSee DISC BRAKES or
BRAKE SYSTEM
Incorrect pads or liningsReplace pads or linings
Brake Rough, Chatters or Pulsates
Excessive lateral runoutCheck rotor runout
Parallelism not to specificationsReface or replace rotor
Wheel bearings not adjustedSee SUSPENSION
Rear drums out-of-roundReface or replace drums
Disc pad reversed, steel against rotorRemove and reinstall pad
Excessive Pedal Effort
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DRIVE AXLE - NOISE DIAGNOSIS
Unrelated Noises
Some driveline trouble symptoms are also common to the engine, transmission, wheel bearings, tires, and other parts of the vehicle. Ensure
cause of trouble actually is in the drive axle before adjusting, repairing, or replacing any of its parts.
Non-Drive Axle Noises
A few conditions can sound just like drive axle noise and have to be considered in pre-diagnosis. The 4 most common noises are exhaust, tires,
CV/universal joints and wheel trim rings.
In certain conditions, the pitch of the exhaust gases may e gear whine. At other times, it may be mistaken for a wheel bearing rumble.
Tires, especially radial and snow, can have a high-pitched tread whine or roar, similar to gear noise. Also, some non-standard tires with an
unusual tread construction may emit a roar or whine.
Defective CV/universal joints may cause clicking noises or excessive driveline play that can be improperly diagnosed as drive axle problems.
Trim and moldings also can cause a whistling or whining noise. Ensure none of these components are causing the noise before disassembling
the drive axle.
Gear Noise
Broken clutch return springReplace return spring
Worn splines on clutch disc or input shaftReplace clutch disc and/or input
shaft
Worn clutch release bearingReplace release bearing
Dry or worn pilot bearingLubricate or replace pilot bearing
Unequal release lever contactAlign or replace release lever
Incorrect pedal free playAdjust free play
Warped or damaged clutch discReplace damaged components
Slipping
Pressure springs worn orRelease pressure plate
Oily, greasy or worn facingsClean or replace clutch disc
Incorrect clutch alignmentRealign clutch assembly
Warped clutch disc or pressure plateReplace damaged components
Binding release levers or clutch pedalLubricate and/or replace release
components
Squeaking
Worn or damaged releaseReplace release bearing
Dry or worn pilot or release bearingLubricate or replace assembly
Pilot bearing turning in crankshaftReplace pilot bearing and/or
crankshaft
Worn input shaft bearingReplace bearing and seal
Incorrect transmission alignmentRealign transmission
Dry release fork between pivotLubricate release fork and pivot
Heavy and/or Stiff Pedal
Sticking release bearing sleeveReplace release bearing and/or
sleeve
Dry or binding clutch pedal hubLubricate and align components
Floor mat interference with pedalLay mat flat in proper area
Dry or binding ball/fork pivotsLubricate and align components
Faulty clutch cableReplace clutch cable
Noisy Clutch Pedal
Faulty interlock switchReplace interlock switch
Self-adjuster ratchet noiseLubricate or replace self-adjuster
Speed control interlock switchLubricate or replace interlock
switch
Clutch Pedal Sticks Down
Binding clutch cableSee CLUTCH article
Springs weak in pressure plateReplace pressure plate
Binding in clutch linkageLubricate and free linkage
Noisy
Dry release bearingLubricate or replace release
bearing
Dry or worn pilot bearingLubricate or replace bearing
Worn input shaft bearingReplace bearing
Transmission Click
Weak springs in pressureReplace pressure plate plate
Release fork loose on ball studReplace release fork and/or
ball stud
Oil on clutch disc damperReplace clutch disc
Broken spring in slave cylinderReplace slave cylinder
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A "howling" or "whining" noise from the ring and pinion gear can be caused by an improper gear pattern, gear damage, or improper bearing
preload. It can occur at various speeds and driving conditions, or it can be continuous.
Before disassembling axle to diagnose and correct gear ke sure that tires, exhaust, and vehicle trim have been checked as possible causes.
Chuckle
This is a particular rattling noise that sounds like a stick against the spokes of a spinning bicycle wheel. It occurs while decelerating from 40
MPH and usually can be heard until vehicle comes to a complete stop. The frequency varies with the speed of the vehicle.
A chuckle that occurs on the driving phase is usually caused ive clearance due to differential gear wear, or by a damaged tooth on the coast
side of the pinion or ring gear. Even a very small tooth nick or a ridge on the edge of a gear tooth is enough the cause the noise.
This condition can be corrected simply by cleaning the gear tooth nick or ridge with a small grinding wheel. If either gear is damaged or scored
badly, the gear set must be replaced. If metal has broken loose, the carrier and housing must be cleaned to remove particles that could cause
damage.
Knock
This is very similar to a chuckle, though it may be louder, and occur on acceleration or deceleration. Knock can be caused by a gear tooth that
is damaged on the drive side of the ring and pinion gears. Ring gear bolts that are hitting the carrier casting can cause knock. Knock can also be
due to excessive end play in the axle shafts.
Clunk
Clunk is a metallic noise heard when an automatic transmission is engaged in Reverse or Drive, or when throttle is applied or released. It is
caused by backlash somewhere in the driveline, but not necessarily in the axle. To determine whether driveline clunk is caused by the axle,
check the total axle backlash as follows:
1. Raise vehicle on a frame or twinpost hoist so that drive wheels are free. Clamp a bar between axle companion flange and a part of the
frame or body so that flange cannot move.
2. On conventional drive axles, lock the left wheel to keep it from turning. On all models, turn the right wheel slowly until it is felt to be in
Drive condition. Hold a chalk marker on side of tire about 12" from center of wheel. Turn wheel in the opposite direction until it is
again felt to be in Drive condition.
3. Measure the length of the chalk mark, which is the total axle backlash. If backlash is one inch or less, drive axle is not the source of
clunk noise.
Bearing Whine
Bearing whine is a high-pitched sound similar to a whistle. It is usually caused by malfunctioning pinion bearings. Pinion bearings operate at
drive shaft speed. Roller wheel bearings may whine in a similar manner if they run completely dry of lubricant. Bearing noise will occur at all
driving speeds. This distinguishes it from gear whine, which usually comes and goes as speed changes.
Bearing Rumble
Bearing rumble sounds like marbles being tumbled. It is usually caused by a malfunctioning wheel bearing. The lower pitch is because the
wheel bearing turns at only about 1/3 of drive shaft speed.
Chatter On Turns
This is a condition where the entire front or rear of vehicle vibrates when vehicle is moving. The vibration is plainly felt as well as heard. Extra
differential thrust washers installed during axle repair can cause a condition of partial lock-up that creates this chatter.
Axle Shaft Noise
Axle shaft noise is similar to gear noise and pinion bearing whine. Axle shaft bearing noise will normally distinguish itself from gear noise by
occurring in all driving modes (Drive, cruise, coast and float), and will persist with transmission in Neutral while vehicle is moving at problem
speed.
If vehicle displays this noise condition, remove suspect parts, replace wheel seals and install a new set of bearings. Re-evaluate vehicle for
noise before removing any internal components.
Vibration
Vibration is a high-frequency trembling, shaking or grinding condition (felt or heard) that may be constant or variable in level and can occur
during the total operating speed range of the vehicle.
The types of vibrations that can be felt in the vehicle can d into 3 main groups:
Vibrations of various unbalanced rotating parts of the vehicle.
Resonance vibrations of the body and frame structures caused by rotating of unbalanced parts.
Tip-in moans of resonance vibrations from stressed engine or exhaust system mounts or driveline flexing modes.
DRIVE AXLE - RWD TROUBLE SHOOTING
NOTE:This is GENERAL inform ation. This article is not intended to be specific to any unique situation or
individual vehicle configuration. T he purpose of this T rouble Shooting inform ation is to provide a list
of com m on causes to problem sym ptom s. For m odel-specific T rouble Shooting, refer to SUBJECT ,
DIAGNOST IC, or T EST ING articles available in the section(s) you are accessing. For definitions of listed
noises or sounds, see DRIVE AXLE
- NOISE DIAGNOSIS under POWERTRAIN.
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POWER STEERING TROUBLE SHOOTING
BASIC POWER STEERING TROUBLE SHOOTING CHART
Steering gear adjustment too looseSee MANUAL STEERING
GEAR article
Steering arms loose on knucklesTighten and check steering
linkage
Rack and pinion mounting looseTighten all mounting bolts
Rack and pinion out of adjustmentSee adjustment in STEERING
article
Tie rod end looseTighten and check steering
linkage
Excessive Pitman shaft-to-ball nut lashRepair as necessary
Poor Returnability
Lack of lubricant in ball joint or linkageLubricate and service systems
Binding in linkage or ball jointsSee STEERING LINKAGE
and SUSPENSION article
Improper front end alignmentSee WHEEL ALIGNMENT
article
Improper tire pressureInflate to proper pressure
Tie rod bindingInflate to proper pressure
Shaft seal rubbing shaftSee STEERING COLUMN
article
Excessive Vertical Motion
Improper tire pressureInflate to proper pressure
Tires, wheels or rotors out of balanceBalance tires then check
wheels and rotors
Worn or faulty shock absorbersCheck and replace if necessary
Loose tie rod ends or steeringTighten or replace if necessary
Loose or worn wheel bearingsSee SUSPENSION article
Steering Pulls to One Side
Improper tire pressureInflate to proper pressure
Front tires are different sizesRotate or replace if necessary
Wheel bearings not adjusted properlySee FRONT SUSPENSION
article
Bent or broken suspension componentsSee FRONT SUSPENSION
article
Improper wheel alignmentSee WHEEL ALIGNMENT
article
Brakes draggingSee BRAKES article
Instability
Low or uneven tire pressureInflate to proper pressure
Loose or worn wheel bearingsSee FRONT SUSPENSION
article
Loose or worn idler arm bushingSee FRONT SUSPENSION
article
Loose or worn strut bushingsSee FRONT SUSPENSION
article
Incorrect front wheel alignmentSee WHEEL ALIGNMENT
article
Steering gear not centeredSee MANUAL STEERING
GEARS article
Springs or shockCheck and replace if necessary
Improper cross shaftSee MANUAL STEERING
GEARS article
NOTE:This is GENERAL inform ation. This article is not intended to be specific to any unique situation or
individual vehicle configuration. T he purpose of this T rouble Shooting inform ation is to provide a list
of com m on causes to problem sym ptom s. For m odel-specific T rouble Shooting, refer to SUBJECT ,
DIAGNOST IC, or T EST ING articles available in the section(s) you are accessing.
CONDITION & POSSIBLE CAUSECORRECTION
Rattle or Chucking Noise
Pressure hoses touching engine partsAdjust to proper clearance
Loose Pitman shaftAdjust or replace if necessary
Tie rods ends or Pitman arm looseTighten and check system
Rack and pinion mounts looseTighten all mounting bolts
Free play in worm gearSee POWER STEERING
GEAR article
Loose sector shaft or thrust bearing adjustmentSee POWER STEERING
GEAR
Free play in pot couplingSee STEERING COLUMN
article
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SUSPENSION TROUBLE SHOOTING
BASIC SUSPENSION TROUBLE SHOOTING CHART
article
Shroud or housing looseTighten holding screws
Lock plate retaining ring not seatedSee STEERING COLUMN
article
Loose sight shieldTighten holding screws
High Steering Shaft Effort
Co l u mn assemb l y misal ign edSee STEERING COLUMN
article
Improperly installed dust shieldAdjust or replace
Tight steering universal jointSee STEERING COLUMN
article
High Shift Effort
Column is out of alignmentSee STEERING COLUMN
article
Improperly installed dust shieldAdjust or replace
Seals or bearings not lubricatedSee STEERING COLUMNS
article
Mounting bracket screws too longReplace with new shorter
screws
Burrs on shift tubeRemove burrs or replace tube
Lower bowl bearing assembled wrongSee STEERING COLUMN
article
Shift tube bent or brokenReplace as necessary
Improper adjustment of shift leversSee STEERING COLUMN
article
Improper Trans. Shifting
Sheared shift tube jointReplace as necessary
Sheared lower shaft leverReplace as necessary
Improper shift lever adjustmentSee STEERING COLUMN
article
Improper gate plate adjustmentSee STEERING COLUMN
article
Excess Play in Column
Instrument panel bracket bolts looseTighten bolts and check
bracket
Broken weld nut on jacketSee STEERING COLUMN
article
Instrument bracket capsule shearedSee STEERING COLUMN
article
Column bracket/jacket bolts looseTighten bolts and check
bracket
Steering Locks in Gear
Release lever mechanismSee STEERING COLUMN
article
NOTE:This is GENERAL inform ation. This article is not intended to be specific to any unique situation or
individual vehicle configuration. T he purpose of this T rouble Shooting inform ation is to provide a list
of com m on causes to problem sym ptom s. For m odel-specific T rouble Shooting, refer to SUBJECT ,
DIAGNOST IC, or T EST ING articles available in the section(s) you are accessing.
CONDITION & POSSIBLE CAUSECORRECTION
Front End Noise
Loose or worn wheelSee Wheel Bearing
Adjustment in SUSPENSION
Worn shocks or shock mountingsReplace struts or strut
mo u n t in gs
Worn struts or strut mountingsReplace struts or strut
mo u n t in gs
Loose or worn lower control armSee SUSPENSION
Loose steering gear-to-frame boltsSee STEERING
Worn control arm bushingsSee SUSPENSION
Ball joints not lubricatedLubricate ball joints & see
Ball Joint Checking in
SUSPENSION
Front Wheel Shake, Shimmy, or Vibration
Tires or wheels out of balanceCheck tire balance
Incorrect wheel alignmentSee WHEEL ALIGNMENT
Drive shaft unbalancedCheck drive shaft balance
Loose or worn wheel bearingsSee WHEEL ALIGNMENT
Loose or worn tie rod endsSee SUSPENSION
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WHEEL ALIGNMENT TROUBLE SHOOTING
BASIC WHEEL ALIGNMENT TROUBLE SHOOTING CHART
Worn upper ball jointsSee Ball Joint Checking in
SUSPENSION
Worn shock absorbersReplace shock absorbers
Worn strut bushingsReplace strut bushings
Car Pulls to One Side
Mismatched or uneven tiresCheck tire condition
Broken or sagging springsSee SUSPENSION
Loose or worn strut bushingsSee SUSPENSION
Improper wheel alignmentSee WHEEL ALIGNMENT
Improper rear axle alignmentCheck rear axle alignment
Power steering gear unbalancedSee STEERING
Front brakes draggingSee BRAKES
Abnormal Tire Wear
Unbalanced tiresCheck tire balance & rotation
Sagging or broken springsSee SUSPENSION
Incorrect front end alignmentSee WHEEL ALIGNMENT
Faulty shock absorbersReplace chock absorbers
Scuffed Tires
Toe-In incorrectSee WHEEL ALIGNMENT
Suspension arm bent or twistedSee appropriate
SUSPENSION article
Springs Bottom or Sag
Bent or broken springsSee SUSPENSION
Leaking or worn shock absorbersReplace shock absorbers
Frame misalignmentCheck frame for damage
Spring Noises
Lo o se "U" Bo l t sSee SUSPENSION
Loose or worn bushingsSee SUSPENSION
Worn or missing interlinersSee SUSPENSION
Shock Absorber Noise
Loose shock mountingsCheck & tighten mountings
Worn bushingsReplace bushings
Air in systemBleed air from system
Undercoating on shocksRemove undercoating
Car Leans or Sways on Corners
Loose stabilizer barSee SUSPENSION
Faulty shocks or mountingsReplace shocks or mountings
Broken or sagging springsSee SUSPENSION
Shock Absorbers Leaking
Worn seals or reservoir tube crimpedSee SUSPENSION
Broken Springs
Lo o se "U" b o l t sSee SUSPENSION
Inoperative shock absorbersReplace shock absorbers
NOTE:This is GENERAL inform ation. This article is not intended to be specific to any unique situation or
individual vehicle configuration. T he purpose of this T rouble Shooting inform ation is to provide a list
of com m on causes to problem sym ptom s. For m odel-specific T rouble Shooting, refer to SUBJECT ,
DIAGNOST IC, or T EST ING articles available in the section(s) you are accessing.
CONDITION & POSSIBLE CAUSECORRECTION
Premature Tire Wear
Improper tire inflationCheck tire pressure
Front alignment out of toleranceSee ALIGNMENT SPECS in
WHEEL ALIGNMENT
section
Suspension components wornSee SUSPENSION section
Steering system components wornSee STEERING section
Improper standing heightSee WHEEL ALIGNMENT
Uneven or sagging springsSee SUSPENSION section
Bent wheelSee WHEEL ALIGNMENT
Improper torsion bar adjustmentSee SUSPENSION section
Loose or worn wheel bearingsSee WHEEL BEARING ADJ.
in SUSPENSION section
Worn or defective shockReplace shock absorbers
Tires out of balanceCheck tire balance
Pulls to One Side
Improper tire inflationCheck tire pressure
Brake draggingSee BRAKE section
Page 35 of 36 MITCHELL 1 ARTICLE - GENERAL INFORMATION Trouble Shooting - Basic Procedures
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