TIRE DIAGNOSIS
IRREGULAR AND/OR PREMATURE WEAR
Irregular and premature wear has many causes. Some of them are:
incorrect inflation pressures, lack of tire rotation, driving habits, im-
proper alignment.
If the following conditions are noted, rotation is necessary:
1) Front tire wear is different from rear.
2) Uneven wear exists across the tread of any tire.
3) Front tire wear is unequal between the right and left.
4) Rear tire wear is unequal between the right and left.
5) There is cupping, flat spotting, etc.
A wheel alignment check is necessary if following conditions are
noted:
1) Front tire wear is unequal between the right and left.
2) Wear is uneven across the tread of any front tire.
3) Front tire treads have scuffed appearance with “feather” edges
on one side of tread ribs or blocks.
Hard Cornering
Under Inflation
Lack of Rotation
Incorrect Wheel Alignment
Tire Construction not Uniform
Wheel Heavy Acceleration
WEAR INDICATORS
Original equipment tires have built-in tread wear indicators to show
when they need replacement.
These indicators will appear as 12 mm (0.47 in.) wide bands when
the tire tread depth becomes 1.6 mm (0.063 in.).
When the indicators appear in 3 or more grooves at 6 locations, tire
replacement is recommended.
RADIAL TIRE WADDLE
Waddle is side to side movement at the front and/or rear of the ve-
hicle. It is caused by the steel belt not being straight within the tire.
It is most noticeable at a low speed, 8 to 48 km/h (5 to 30 mph).
It is possible to locate the faulty tire by road testing the vehicle. If
it is on the rear, the rear end of the vehicle shakes from side to side
or “waddles”. To the driver in his seat, it feels as though someone
is pushing on the side of vehicle.
If the faulty tire is on the front, waddling is more visual. The front
sheet metal appears to be moving back and forth and the driver
feels as though he is at the pivot point in vehicle.
Waddle can be quickly diagnosed by using Tire Problem Detector
(TPD) and following the equipment manufacture’s recommenda-
tions.
If TPD is not available, an alternative method of substituting known
good tire/wheel assemblies can be used as follows, although it
takes a longer time.
3-6
STEERING, SUSPENSION, WHEELS AND TIRES
Содержание GA413
Страница 1: ...99500 76A01 01E 99500 76A01 01E SERVICE MANUAL SERVISE MANUAL...
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Страница 267: ...SYSTEM CIRCUIT ANTILOCK BRAKE SYSTEM ABS OPTIONAL 5E 13...
Страница 277: ...ANTILOCK BRAKE SYSTEM ABS OPTIONAL 5E 23 Fig 1 Fig 2 Fig 3 Fig 5 Fig 4 1 ABS hydraulic unit control module connector...
Страница 414: ...6E 4 ENGINE AND EMISSION CONTROL SYSTEM...
Страница 418: ...6E 8 ENGINE AND EMISSION CONTROL SYSTEM ECM CONNECTORS TERMINAL ARRANGEMENT VIEWED FROM TERMINAL SIDE...
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Страница 441: ...ENGINE AND EMISSION CONTROL SYSTEM 6E 31 Fig for Step 2 Fig for Step 3...
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Страница 600: ...BLANK DIFFERENTIAL 7F 17...
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Страница 672: ...9 36 BODY SERVICE...
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Страница 675: ...BODY SERVICE 9 39 RUST PROOF TREATMENT AREA...
Страница 676: ...9 40 BODY SERVICE...
Страница 752: ...Prepared by Overseas Service Department 1st Ed February 1999 2nd Ed October 2001 Printed in Japan Printing 762...
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Страница 870: ...6 94 ENGINE GENERAL INFORMATION AND DIAGNOSIS GA413 supple Fig 1 for Step 2 Fig 2 for Step 3 Fig 3 for Step 4...
Страница 895: ...ENGINE AND EMISSION CONTROL SYSTEM 6E 3 GA413 supple...
Страница 896: ...6E 4 ENGINE AND EMISSION CONTROL SYSTEM GA413 supple...
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Страница 991: ...9 4 BODY SERVICE GA413 supple...
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Страница 994: ...BODY SERVICE 9 7 GA413 supple RUST PROOF TREATMENT AREA...
Страница 995: ...9 8 BODY SERVICE GA413 supple...
Страница 998: ...BODY SERVICE 9 11 GA413 supple UNDERBODY DIMENSIONS For van model...
Страница 1000: ...BODY SERVICE 9 13 GA413 supple For truck model...
Страница 1010: ...Prepared by Overseas Service Department 1st Ed October 2000 Printed in Japan Printing October 2000 262...
Страница 1130: ...7E 20 DIFFERENTIAL FRONT 09944 66020 Bearing installer 09951 16060 Lower arm bush remover...
Страница 1131: ...Prepared by Overseas Service Department 1st Ed March 2000 2nd Ed March 2001 Printed in Japan Printing April 2001 122...
Страница 1132: ...SUPPLEMENTARY SERVICE MANUAL FOR 4WD MODEL SUPPLEMENTARY SERVICE MANUAL 99501 76A01 01E 99501 76A01 01E I 20mm...
Страница 1141: ...Tables des mati res K Connecteur 8A 7 4 L Connecteur 8A 7 5 O Connecteur 8A 7 6 Q Connecteur 8A 7 6 Glossaire 8A 8 1...
Страница 1143: ...ndice MEMO Notizen Note Notas...
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Страница 1246: ...Prepared by 1st Ed July 2002 Printed in Japan 114...