Recalls for 1993 Gmc Topkick

DEFECT #1 - WHEELS

Posted on: 1996-04-18
Description
These wheels are composed of 2 pieces - a disc and a rim which are normally welded together.  These wheels lack the specified fillet welds.

Consequence
If wheel separation occurs while the vehicle is inmotion, both steering and braking could be affected resulting in a vehiclecrash.

Corrective Action
Dealers will inspect the manufacturing codes stamped on each wheel and if a wheel falls within the specified date code range, the dealer will replace that wheel.

Notes
System: wheels.vehicle description: medium duty trucks equipped with 22.5 x 8.25, 15 dropcenter, one-piece, tubeless dual wheels manufactured by accuride (see accuridecampaign no.  95e017).note: if your vehicle is presented to an authorized dealer on an agreed uponservice date and the remedy is not provided free of charge within a reasonabletime, please contact chevrolet at 1-800-222-1020 or gmc at 1-800-462-8782.also contact the national highway traffic safety administration's auto safetyhotline at 1-800-424-9393.

DEFECT #2 - STEERING:GEAR BOX (OTHER THAN RACK AND PINION)

Posted on: 1994-02-17
Description
The intermediate steering shaft was assembled with loose or missing upper and lower pinch bolts which may cause separation of the shaft.

Consequence
Separation of the intermediate steering shaft results in total loss of steering control and could cause an accident.

Corrective Action
Dealers will properly torque loose pinch bolts and install pinch bolts where necessary.

Notes
System: steering; unknown type; shaft sector.vehicle description: medium duty truck, school bus chassis, and commercialchassis.note: if your vehicle is presented to an authorized dealer on an agreed upon service date and the remedy is not provided within a reasonable time and free of charge or the remedy does not correct the defect or noncompliance, please contact chevrolet service center at 1-800-222-1020 or gmc service center at1-313-456-4547.  Also, contact the national highway traffic administration's auto safety hotline at 1-800-424-9393.