DIAGNOSIS AND TESTING - VEHICLE
LEAD/PULL
To assure correct diagnosis, it is important to fol-
low the steps outlined below in the order shown.
Road test the vehicle before and after each step to
verify that the lead condition has been corrected.
When evaluating a vehicle, always drive the same
road in both directions to get a feel for the effect of
road crown and cross wind. A neutral vehicle will
exhibit a small amount of drift on both right and left
crowned roads (normal crown sensitivity). A vehicle
with pronounced lead/pull may have one or more of
the following conditions:
(1) UNEQUAL TIRE PRESSURE. Adjust tire pres-
sure to the pressure stated on door placard. Make
sure the tire pressure is equal on all four tires and
evaluate the car. Also verify that the tire size and
type are correct and match each other. If the car still
has a lead condition go to step (2).
(2) TIRE CONICITY. Excessive tire conicity is one
of the more frequent causes of vehicle lead. Cross-
switch the front tires and evaluate the car. If the car
still leads in the same direction or gets worse, return
the front tires to their original position, then go to
step (3).
(3) SUSPENSION ALIGNMENT. Check and record
the wheel alignment settings including caster. Non-
symmetrical front caster or camber can sometimes
cause a lead condition or can be used to fix a lead
condition. To bias the front suspension caster and
camber alignment settings to correct or minimize a
lead condition, perform the Vehicle Lead/Pull Align-
ment Bias repair procedure (Refer to 2 - SUSPEN-
SION/WHEEL
ALIGNMENT
-
STANDARD
PROCEDURE). If the car still leads after the align-
ment bias procedure, go to step (4) or (5) accordingly.
(4) STEERING
GEAR
VALVE
IMBALANCE.
Steering gear valve imbalance can sometimes cause a
vehicle lead. Although there is no quick test or mea-
surement that can be performed to verify a good or
bad steering gear valve, generally the steering efforts
will feel much lighter in the lead direction and
heavier in the opposite direction with an unbalanced
valve. Replace the steering gear only as a
9
last
resort
9
to solve the problem. To replace the steering
gear, (Refer to 19 - STEERING/GEAR - REMOVAL).
STANDARD PROCEDURE
STANDARD PROCEDURE - VEHICLE
LEAD/PULL ALIGNMENT BIAS
This procedure is designed to be used in conjunc-
tion with Diagnosis And Testing - Vehicle Lead/Pull
(Refer to 2 - SUSPENSION/WHEEL ALIGNMENT -
DIAGNOSIS AND TESTING).
Proceed with the Caster Bias procedure before
attempting the Camber Bias procedure.
CASTER BIAS
On a vehicle that leads left, create more caster on
the left than on the right. On a right lead vehicle,
the procedure is opposite. Try to get at least 0.8
degree of cross caster, but do not exceed the maxi-
mum specification of 1.0 degree.
(1) Loosen the four engine cradle to frame bolts.
Rotate the cradle forward on the side that you need
to increase the caster.
(2) Tighten the engine cradle to frame bolts to 163
N·m (120 ft. lbs.).
(3) Center the steering wheel and set toe (toe must
be reset before doing another caster sweep to ensure
accuracy).
(4) Verify that the lead is corrected. If vehicle still
leads, continue with the Camber Bias procedure.
CAMBER BIAS
On a vehicle that leads left, create either more
negative camber on the left or more positive camber
on the right. On a right lead vehicle, the procedure is
opposite. To minimize uneven tire wear, try to
achieve the same amount of camber bias on each
side. For example, if the car leads left, compensate
by setting the front left camber to -0.3 degrees and
front right camber to +0.3 degrees. Do not exceed
cross camber maximum specification of 0.7 degree, or
individual
camber
specification
of
-0.6
to
+0.6
degrees.
(1) Raise the front of the vehicle until the front
suspension is not supporting the weight of the vehi-
cle and tires are clearing the floor. Remove the pre-
ferred wheel and tire assembly.
(2) Remove one of the strut clevis to knuckle bolts
and loosely assemble a reduced shank bolt and nut
(Available through the Mopar
t
Parts system) in its
place. Loosen the other strut clevis to knuckle bolt to
provide for adjustment. In severe cases where a wide
range of adjustment is required, two reduced shank
bolts should be used per knuckle. Repeat the proce-
dure to the other side strut clevis as necessary.
(3) Install the wheel and tire assembly. Lower the
vehicle until the full weight of the vehicle is resting
on the suspension.
(4) Adjust the front camber to the preferred set-
ting by physically pushing in or pulling out the top of
the wheel and tire assembly as required. When the
camber is correct, tighten both strut clevis to knuckle
bolts to 203 N·m (150 ft. lbs.). Set front toe to speci-
fications.
2 - 56
WHEEL ALIGNMENT
LH
WHEEL ALIGNMENT (Continued)
Summary of Contents for 2004 Concorde
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Page 5: ...Fig 3 FASTENER IDENTIFICATION LH INTRODUCTION 3 FASTENER IDENTIFICATION Continued ...
Page 6: ...Fig 4 FASTENER STRENGTH 4 INTRODUCTION LH FASTENER IDENTIFICATION Continued ...
Page 9: ...Fig 6 METRIC CONVERSION CHART LH INTRODUCTION 7 METRIC SYSTEM Continued ...
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Page 423: ...Fig 1 SIDE AIRBAG LOCATION TYPICAL LH RESTRAINTS 8O 3 RESTRAINTS Continued ...
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Page 956: ...Fig 1 3 5L Engine 9 4 ENGINE LH ENGINE 3 5L Continued ...
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Page 1060: ...Fig 12 ENGINE COMPARTMENT SIDE VIEW 13 6 FRAME BUMPERS LH FRAME Continued ...
Page 1061: ...Fig 13 FORWARD FRAME SECTION AND ENGINE CRADLE LH FRAME BUMPERS 13 7 FRAME Continued ...
Page 1062: ...Fig 14 REAR FRAME SECTION 13 8 FRAME BUMPERS LH FRAME Continued ...
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Page 1228: ...Neutral Speed Over 8 mph 21 48 TRANSAXLE LH 42LE AUTOMATIC TRANSAXLE Continued ...
Page 1229: ...Reverse LH TRANSAXLE 21 49 42LE AUTOMATIC TRANSAXLE Continued ...
Page 1231: ...First Gear LH TRANSAXLE 21 51 42LE AUTOMATIC TRANSAXLE Continued ...
Page 1232: ...Second Gear 21 52 TRANSAXLE LH 42LE AUTOMATIC TRANSAXLE Continued ...
Page 1233: ...Second Gear EMCC LH TRANSAXLE 21 53 42LE AUTOMATIC TRANSAXLE Continued ...
Page 1234: ...Direct Gear 21 54 TRANSAXLE LH 42LE AUTOMATIC TRANSAXLE Continued ...
Page 1235: ...Direct Gear EMCC LH TRANSAXLE 21 55 42LE AUTOMATIC TRANSAXLE Continued ...
Page 1236: ...Direct Gear CC On 21 56 TRANSAXLE LH 42LE AUTOMATIC TRANSAXLE Continued ...
Page 1237: ...Overdrive LH TRANSAXLE 21 57 42LE AUTOMATIC TRANSAXLE Continued ...
Page 1238: ...Overdrive EMCC 21 58 TRANSAXLE LH 42LE AUTOMATIC TRANSAXLE Continued ...
Page 1239: ...Overdrive CC On LH TRANSAXLE 21 59 42LE AUTOMATIC TRANSAXLE Continued ...
Page 1252: ...Fig 153 Master Shim Chart 21 72 TRANSAXLE LH BEARINGS Continued ...
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Page 1497: ...Fig 11 LOAD BEAM AND COWL AREA LH BODY STRUCTURE 23 127 SEALER LOCATIONS Continued ...
Page 1498: ...Fig 12 BODY SIDE APERTURE 23 128 BODY STRUCTURE LH SEALER LOCATIONS Continued ...
Page 1500: ...Fig 14 FLOOR PAN 23 130 BODY STRUCTURE LH SEALER LOCATIONS Continued ...
Page 1501: ...Fig 15 FLOOR PAN LH BODY STRUCTURE 23 131 SEALER LOCATIONS Continued ...
Page 1502: ...Fig 16 FLOOR PAN 23 132 BODY STRUCTURE LH SEALER LOCATIONS Continued ...
Page 1503: ...Fig 17 REAR TRUNK AREA LH BODY STRUCTURE 23 133 SEALER LOCATIONS Continued ...
Page 1504: ...Fig 18 INNER WHEELHOUSE 23 134 BODY STRUCTURE LH SEALER LOCATIONS Continued ...
Page 1505: ...Fig 19 REAR QUARTER PANE LH BODY STRUCTURE 23 135 SEALER LOCATIONS Continued ...
Page 1506: ...Fig 20 DECKLID 23 136 BODY STRUCTURE LH SEALER LOCATIONS Continued ...
Page 1507: ...Fig 21 FRONT DOORS LH BODY STRUCTURE 23 137 SEALER LOCATIONS Continued ...
Page 1508: ...Fig 22 REAR DOORS 23 138 BODY STRUCTURE LH SEALER LOCATIONS Continued ...
Page 1511: ...Fig 26 ROOF Fig 27 SUNROOF LH BODY STRUCTURE 23 141 STRUCTURAL ADHESIVE LOCATIONS Continued ...
Page 1512: ...Fig 28 DOORS 23 142 BODY STRUCTURE LH STRUCTURAL ADHESIVE LOCATIONS Continued ...
Page 1513: ...Fig 29 DECKLID LH BODY STRUCTURE 23 143 STRUCTURAL ADHESIVE LOCATIONS Continued ...
Page 1516: ...Fig 30 ENGINE COMPARTMENT 23 146 BODY STRUCTURE LH WELD LOCATIONS Continued ...
Page 1517: ...Fig 31 ENGINE COMPARTMENT LH BODY STRUCTURE 23 147 WELD LOCATIONS Continued ...
Page 1518: ...Fig 32 ENGINE COMPARTMENT 23 148 BODY STRUCTURE LH WELD LOCATIONS Continued ...
Page 1519: ...Fig 33 ENGINE COMPARTMENT LH BODY STRUCTURE 23 149 WELD LOCATIONS Continued ...
Page 1520: ...Fig 34 ENGINE COMPARTMENT 23 150 BODY STRUCTURE LH WELD LOCATIONS Continued ...
Page 1521: ...Fig 35 ENGINE COMPARTMENT LH BODY STRUCTURE 23 151 WELD LOCATIONS Continued ...
Page 1522: ...Fig 36 ENGINE COMPARTMENT 23 152 BODY STRUCTURE LH WELD LOCATIONS Continued ...
Page 1523: ...Fig 37 ENGINE COMPARTMENT LH BODY STRUCTURE 23 153 WELD LOCATIONS Continued ...
Page 1524: ...Fig 38 ENGINE COMPARTMENT 23 154 BODY STRUCTURE LH WELD LOCATIONS Continued ...
Page 1525: ...Fig 39 ENGINE COMPARTMENT LH BODY STRUCTURE 23 155 WELD LOCATIONS Continued ...
Page 1526: ...Fig 40 ENGINE COMPARTMENT 23 156 BODY STRUCTURE LH WELD LOCATIONS Continued ...
Page 1527: ...Fig 41 DASH AND COWL LH BODY STRUCTURE 23 157 WELD LOCATIONS Continued ...
Page 1528: ...Fig 42 DASH AND COWL 23 158 BODY STRUCTURE LH WELD LOCATIONS Continued ...
Page 1529: ...Fig 43 DASH AND COWL LH BODY STRUCTURE 23 159 WELD LOCATIONS Continued ...
Page 1530: ...Fig 44 DASH AND COWL 23 160 BODY STRUCTURE LH WELD LOCATIONS Continued ...
Page 1531: ...Fig 45 DASH AND COWL LH BODY STRUCTURE 23 161 WELD LOCATIONS Continued ...
Page 1532: ...Fig 46 DASH AND COWL 23 162 BODY STRUCTURE LH WELD LOCATIONS Continued ...
Page 1533: ...Fig 47 ROOF PANEL AND ROOF BOWS LH BODY STRUCTURE 23 163 WELD LOCATIONS Continued ...
Page 1534: ...Fig 48 ROOF PANEL AND ROOF BOWS 23 164 BODY STRUCTURE LH WELD LOCATIONS Continued ...
Page 1535: ...Fig 49 ROOF PANEL AND ROOF BOWS LH BODY STRUCTURE 23 165 WELD LOCATIONS Continued ...
Page 1537: ...Fig 52 BODY SIDE APERTURE LH BODY STRUCTURE 23 167 WELD LOCATIONS Continued ...
Page 1538: ...Fig 53 BODY SIDE APERTURE 23 168 BODY STRUCTURE LH WELD LOCATIONS Continued ...
Page 1539: ...Fig 54 BODY SIDE APERTURE LH BODY STRUCTURE 23 169 WELD LOCATIONS Continued ...
Page 1540: ...Fig 55 BODY SIDE APERTURE 23 170 BODY STRUCTURE LH WELD LOCATIONS Continued ...
Page 1541: ...Fig 56 BODY SIDE APERTURE LH BODY STRUCTURE 23 171 WELD LOCATIONS Continued ...
Page 1542: ...Fig 57 BODY SIDE APERTURE 23 172 BODY STRUCTURE LH WELD LOCATIONS Continued ...
Page 1543: ...Fig 58 BODY SIDE APERTURE LH BODY STRUCTURE 23 173 WELD LOCATIONS Continued ...
Page 1544: ...Fig 59 BODY SIDE APERTURE 23 174 BODY STRUCTURE LH WELD LOCATIONS Continued ...
Page 1545: ...Fig 60 BODY SIDE APERTURE LH BODY STRUCTURE 23 175 WELD LOCATIONS Continued ...
Page 1546: ...Fig 61 BODY SIDE APERTURE 23 176 BODY STRUCTURE LH WELD LOCATIONS Continued ...
Page 1547: ...Fig 62 BODY SIDE APERTURE LH BODY STRUCTURE 23 177 WELD LOCATIONS Continued ...
Page 1548: ...Fig 63 BODY SIDE APERTURE 23 178 BODY STRUCTURE LH WELD LOCATIONS Continued ...
Page 1549: ...Fig 64 FLOOR PAN LH BODY STRUCTURE 23 179 WELD LOCATIONS Continued ...
Page 1550: ...Fig 65 FLOOR PAN 23 180 BODY STRUCTURE LH WELD LOCATIONS Continued ...
Page 1551: ...Fig 66 FLOOR PAN LH BODY STRUCTURE 23 181 WELD LOCATIONS Continued ...
Page 1552: ...Fig 67 FLOOR PAN 23 182 BODY STRUCTURE LH WELD LOCATIONS Continued ...
Page 1553: ...Fig 68 FLOOR PAN LH BODY STRUCTURE 23 183 WELD LOCATIONS Continued ...
Page 1554: ...Fig 69 FLOOR PAN 23 184 BODY STRUCTURE LH WELD LOCATIONS Continued ...
Page 1555: ...Fig 70 FLOOR PAN LH BODY STRUCTURE 23 185 WELD LOCATIONS Continued ...
Page 1556: ...Fig 71 FLOOR PAN 23 186 BODY STRUCTURE LH WELD LOCATIONS Continued ...
Page 1557: ...Fig 72 FLOOR PAN LH BODY STRUCTURE 23 187 WELD LOCATIONS Continued ...
Page 1558: ...Fig 73 FLOOR PAN 23 188 BODY STRUCTURE LH WELD LOCATIONS Continued ...
Page 1559: ...Fig 74 FLOOR PAN LH BODY STRUCTURE 23 189 WELD LOCATIONS Continued ...
Page 1560: ...Fig 75 FLOOR PAN 23 190 BODY STRUCTURE LH WELD LOCATIONS Continued ...
Page 1561: ...Fig 76 FLOOR PAN LH BODY STRUCTURE 23 191 WELD LOCATIONS Continued ...
Page 1562: ...Fig 77 FLOOR PAN 23 192 BODY STRUCTURE LH WELD LOCATIONS Continued ...
Page 1563: ...Fig 78 FLOOR PAN LH BODY STRUCTURE 23 193 WELD LOCATIONS Continued ...
Page 1564: ...Fig 79 FLOOR PAN Fig 80 FLOOR PAN 23 194 BODY STRUCTURE LH WELD LOCATIONS Continued ...
Page 1565: ...Fig 81 REAR SHELF LH BODY STRUCTURE 23 195 WELD LOCATIONS Continued ...
Page 1566: ...Fig 82 REAR SHELF 23 196 BODY STRUCTURE LH WELD LOCATIONS Continued ...
Page 1567: ...Fig 83 REAR SHELF LH BODY STRUCTURE 23 197 WELD LOCATIONS Continued ...
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