NHTSA Campaign Id 78V031000; Date: Feb. 9, 1978
Recalled Vehicles:1975 Mack F; 1976 Mack F; 1977 Mack F; 1978 Mack F; 1975 Mack R; 1976 Mack R; 1977 Mack R; 1978 Mack R; 1975 Mack U; 1976 Mack U; 1977 Mack U; 1978 Mack U
Component: Suspension:multiple Axle
Manufactured by: Mack Trucks, Incorporated
Affected Units:: 33,000
Recall Summary:The tee bracket, which is mounted on the front axle of the bogie, may fail due to vibration brought on by road surface irregularities. Bracket failure would leave the tee bracket unsupported and cause broken hose connector fittings. This would result in automatic application of the spring emergency brakes.
How to Fix:The dealer will replace the defective bracket with a redesigned version.
Recall Notes:Vehicle description: trucks equipped with highway bogies. System: suspension; tee bracket. Consequences of defect: automatic application of the spring emergency brakescould cause loss of vehicle control and an accident.
Date Owners notified by Manufacturer: Aug 16, 1978
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