Firebird V8-305 5.0L (1982)
*USE SHIMS ONLY AT LOCATION ON SPRING, AS SPECIFIED ABOVE.
Technical Service Bulletin # 8737
Date: 861201
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.
Technical Service Bulletin # 85316
Date: 850501
Suspension - Chassis Spring Shims
Number
85-3-16
Date
5/85
Subject:
CHASSIS SPRING SHIMS
1977 THROUGH 1985 REAR WHEEL DRIVE VEHICLES
Spring shims for minor correction of low trim height are available from GMWDD. The shims can be used on 1977 through 1985 rear wheel drive
vehicles.
These shims are 1/8" thick, and no more than two (2) are to be used at each spring location. When used on a front spring, the vehicle's trim height at the
wheel opening will be increased approximately two (2) times the thickness of the shim. When used on a rear spring, the trim height will be increased
approximately the same amount as the thickness of the shims.
Part Description
Part Number
Shim,
*Front Spring Upper
25524879
Shim,
*Rear Spring Lower
25524880
*USE SHIMS ONLY AT LOCATION ON SPRING, AS SPECIFIED ABOVE.
