NHTSA Recall 76V004000
NHTSA Campaign Id 76V004000; Date: Jan. 13, 1976
Recalled Vehicles:
1975 Mack F; 1975 Mack MB; 1975 Mack R; 1975 Mack U
Component: Suspension:rear:springs:leaf Spring Assembly:leaf
Manufactured by: Mack Trucks, Incorporated
Affected Units:: 54
Recall Summary:
How to Fix:
Recall Notes:
Mack campaign no sc071. Trucks equipped with swtl-56 series rear axle. Possibility that the rear suspension was assembled with an incorrect trunnionthat has a radiused spring seat, creating a line of contact between the springseat and the spring itself, subjecting these components to high stressconcentrations. If this condition exists it could ultimately lead to prematurespring failure, and permit axle assembly dislocation that could result in lossof vehicle control without warning to the driver, with possible vehicle crash. (correct by inspecting and installing specified spring trunnions thatincorporate flatspring seats).
Date Owners notified by Manufacturer: Feb 23, 1976
Also see: