NHTSA Campaign Id 91V197000; Date: Nov. 12, 1991
Vehicles with insufficient parking brake force can rollwithout prior warning when parked on a grade, this could result in a vehicleaccident.
Recalled Vehicles:1988 White Gmc Acl42b; 1989 White Gmc Acl42b; 1990 White Gmc Acl42b; 1991 White Gmc Acl42b; 1983 White Gmc WX42; 1984 White Gmc WX42; 1985 White Gmc WX42; 1986 White Gmc WX42; 1987 White Gmc WX42; 1988 White Gmc WX42; 1989 White Gmc WX42; 1990 White Gmc WX42; 1991 White Gmc WX42
Component: Service Brakes, Air:antilock
Manufactured by: Volvo Gm Heavy Truck Corp
Affected Units:: 83
Recall Summary:The parking brake may not exert sufficient force to enable the vehicle to conform to the grade holding requirements of fmvss 121.
How to Fix:Replace the parking brake chambers.
Recall Notes:System: parking brake; fmvss 121. Vehicle description: heavy trucks (class 8).
Date Owners notified by Manufacturer: Nov 19, 1991
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