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  NHTSA Recall 78V170000

NHTSA Campaign Id 78V170000; Date: Aug. 8, 1978

icon1 Recalled Vehicles:

1975 Mack RWL 1976 Mack RWL 1977 Mack RWL 1978 Mack RWL 1975 Mack RWS 1976 Mack RWS 1977 Mack RWS 1978 Mack RWS 1975 Mack WL 1976 Mack WL 1977 Mack WL 1978 Mack WL 1975 Mack WS 1976 Mack WS 1977 Mack WS 1978 Mack WS

Component: Engine And Engine Cooling:engine

Manufactured by: Mack Trucks, Incorporated

Affected Units:: 850

icon3 Recall Summary:

The possibility exists that the aluminum engine rear support brackets may fail due to metal fatigue. This type of failure would allow the engine and transmission assembly to dislocate downward. This will result in throttle control loss with the engine operating continuously in the mid to upper range of the governed speed range.

icon2 How to Fix:

Dealer will inspect and, if necessary, replace aluminum support brackets with brackets made from ductile iron for increased strength.

icon4 Recall Notes:

Vehicle description: trucks. System: engine; engine mounting bracket. Consequences of defect: loss of throttle control may result in loss of vehiclecontrol and an accident.

Date Owners notified by Manufacturer: Dec 4, 1978

Also see:

All recalls of Mack vehicles.

More recall documents on nhtsa.gov.