1987 GMC B6 Recall

Campaign:

91V032000 on 02/27/1991

Component:

Parking brake:driveline

Manufactured:

07/31/1985 - 10/31/1989

Affected:

14,044

Defect:

The parking brake drum attachment bolts may loosen and cause a driveline lockup condition when the bus is stopped or almost stopped.

Consequence:

Driveline lock-up could cause loss of vehicle controlwithout prior notice, and result in a vehicle crash.

Correction:

Remove all of the parking brake drum bolts, apply a retaining compound to new bolts, and torque the new bolts to specification.

Notes:

System: transmission mounted parking brakes drum.vehicle description: school buses equipped with hydraulic brakes (je3) andallison at545 automatic transmissions (mf1).

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