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Tires - Uneven Outer Edge Wear

Number 87-3-7 Date 12/86
Subject: UNEVEN WEAR-OUTER RIBS ON FRONT TIRES


1982-87 FIREBIRD
Some 1982-87 Firebirds may experience uneven tire wear on the outer ribs of the front tires.

To eliminate or minimize this condition check the sum toe setting on an alignment machine and reset the sum toe to .10 +/- .20 degrees.

The sum toe specification was changed from .3 degrees +/- .20 degrees to .10 +/- .20 for both factory and service settings starting with the VIN breakpoints below:

PLANT VIN

Van Nuys HL207675

Norwood HN215155

Use applicable Labor Operation Number and Time.
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