chevrolet Workshop Repair Guides

Chevrolet Workshop Service and Repair Manuals

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Alignment: By Symptom

Technical Service Bulletin # 901173A

Date: 900201

Wheel Alignment - Front Tire Wear on Postal Vehicles

Number:

90-117-3A

Section:

3A

Date:

February 1990

Corp. Bulletin No.: 963101
Subject:

FRONT END, ALIGNMENT REVISIONS

Model and Year:

1987-90 POSTAL VEHICLES (LLV)

Some of the above postal vehicles are experiencing excessive front tire wear. To alleviate this problem, and reduce tread wear, the following revised
camber and toe-in specifications (see table 1) have been developed.

INSPECTION BEFORE ALIGNMENT

Before making any adjustments affecting caster, camber, or toe-in, the normal front end inspections should be made. (Refer to Section 3 of the Light
Duty Service Manual.)

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