Mack Fl 1974

Model Fl made in 1974 by Mack got 5 recalls. There were some recalls concerningelectrical system, engine and engine cooling and service brakes, air.

Fl year 1974

Recalls

Model 1974

Recalls

Campaign	Manufacturer	Manufacturing date	Type	# of units affected	Date Owner notified Mfg	Recall Initiated by	Manufacturers of recalled vehicles/products	Report Recieved Date	Record Creation Date
ELECTRICAL SYSTEM - WIRING
75V070000	MACK TRUCKS, INCORPORATED		V (Vehicle)	132	09/23/1975	MFR	MACK TRUCKS, INC	05/01/1975	10/12/1979
Defect Summary
Consequence Summary
Corrective Summary
Notes	Mack campaign no k1006.trucks with perlux lamps mfg'd nov.15, 1973 thrujan.2, 1975.possibility that perlux road lamps circuit was wired parallelwith the headlamps.this resulted in an electrical overload and caused thecircuit breaker to cycle or trip, causing momentary loss of forwardillumination.(correct by inspecting and providing separate circuit breaker toprevent overload).
ENGINE AND ENGINE COOLING - COOLING SYSTEM - FAN
77V173000	MACK TRUCKS, INCORPORATED		V (Vehicle)	48000	03/23/1978	ODI	MACK TRUCKS, INC	10/12/1977	10/12/1979
Defect Summary	The flex blade fans on the involved vehicles may develop cracks in the laminated stiffener as a result of fatigue during operation. if such a condition exists and the cracks go undetected, continued operation could cause pieces of the stiffener to break off.
Consequence Summary
Corrective Summary	Dealer will replace the original fan with a steel fixed blade fan, free of charge.
Notes	Vehicle description: trucks equipped with six-cylinder engines.system: engine cooling; fan.consequences of defect: broken pieces can be propelled outside of the fanshroud and will present an immediate danger and possible injury to personsstanding nearby.note: prior to correction, vehicle should not be serviced with the hood raisedand the engine running.
SERVICE BRAKES, AIR - DRUM - DRUM
75V060000	MACK TRUCKS, INCORPORATED		V (Vehicle)	600	08/05/1975	MFR	MACK TRUCKS, INC	04/15/1975	10/12/1979
Defect Summary
Consequence Summary
Corrective Summary
Notes	Mack campaign no n/a.trucks mfg'd april 1, 1974 thru nov.15, 1974.possibility that on models with outboard-mounted brake drums and steel discwheel on aluminum wheel hubs, the manufacturing tolerances may cause aninterference problem between the inside portion of wheel and outer edge of castdrum.this condition results in overstress of wheel studs.the failure ofwheel studs could cause separation of disc wheel from chassis and could causeloss of vehicle control.(correct by inspecting and adjusting to precludeinterference where necessary).
WHEELS - LUGS/NUTS/BOLTS
74V228000	MACK TRUCKS, INCORPORATED		V (Vehicle)	654	04/14/1975	MFR	MACK TRUCKS, INC	11/22/1974	10/12/1979
Defect Summary
Consequence Summary
Corrective Summary
Notes	Mack campaign no 56.model with sws56, sws57, sws76 series bogies, aluminumhubs and disc rear wheels.built 7/15 74 thru 11/14 74.possibility thatincorrect studs were used to attach disc rear wheels to aluminum hubs.if thisoccurs, the studs will loosen and result in failure of the hub,drum or wheeland could lead to separation of the rear disc wheel from the chassis.(correctby inspecting and installing proper studs where necessary).
WHEELS - RIM
73V205000	MACK TRUCKS, INCORPORATED	from 06/01/1973 to 09/01/1973	V (Vehicle)	40	11/06/1973	MFR	MACK TRUCKS, INC	10/15/1973	10/12/1979
Defect Summary
Consequence Summary
Corrective Summary
Notes	Mack campaign no sco44.with rim assembly 14qj19305.trucks.possibilitythat the incorrect base rims or side rings of the wheel assembly may have beeninstalled.the operation of vehicles with incorrect side ring or base rimcould lead to loss of vehicle control.rim separation could occur when vehicleis not in operation and cause serious personal injury to anyone in theimmediate vicinity.(correct by inspection and replacing incorrect base rimsor side rings).