Mack Dmm Series 1988

Model Dmm Series made in 1988 by Mack got 5 recalls. There were some recalls concerningengine and engine cooling, power train and steering.

Dmm series year 1988

Recalls

Model 1988

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
ENGINE AND ENGINE COOLING - ENGINE
88V161000	MACK TRUCKS, INCORPORATED	from 03/01/1988 to 03/01/1988	V (Vehicle)	408	10/07/1988	MFR	MACK TRUCKS, INC	10/18/1988	10/28/1988
Defect Summary	Certain engine support castings were produced with faulty metallurgy and could fail.
Consequence Summary	Failure of one or both brackets could cause dislocationof engine and transmission assembly, which could result in truck disablement,possible loss of accelerator control and an accident.
Corrective Summary	Replace rear engine supports as necessary.
Notes	System: engine rear supports.vehicle description: heavy duty trucks.
POWER TRAIN - DRIVELINE - CENTER SUPPORT BEARING
88V085000	MACK TRUCKS, INCORPORATED	from 11/01/1987 to 11/01/1987	V (Vehicle)	203	05/05/1988	MFR	MACK TRUCKS, INC	05/23/1988	05/26/1988
Defect Summary	Clamp plates used between the drive shaft and carrier yokes may crack and could break due to improper heat treatment.
Consequence Summary	If clamp plate breaks, yoke would fly off at detachedpoint and could injury anyone struck by flying fragments. also, the detachedinner shaft could interfere with the brake system air supply hoses and tractortires, which could result in loss of truck control and an accident.
Corrective Summary	Install new clamping plates and capscrews in all locations as needed.
Notes	System: drive shaft yoke clamp plates.vehicle description: heavy duty trucks.
STEERING - HYDRAULIC POWER ASSIST - HOSE, PIPING, AND CONNECTIONS
89V032000	MACK TRUCKS, INCORPORATED	from 03/01/1987 to 09/01/1988	V (Vehicle)	3127	10/27/1989	MFR	MACK TRUCKS, INC	03/03/1989	03/16/1989
Defect Summary	An incorrect high pressure power steering hose may have been installed.
Consequence Summary	Under certain conditions, hose could fail resulting inloss of power steering assist and possibly an accident.
Corrective Summary	Replace incorrect power steering hoses.
Notes	System: power steering hose.vehicle description: heavy duty trucks equipped with stratoflex high pressurepower steering hose.
STEERING - LINKAGES
88V125000	MACK TRUCKS, INCORPORATED	from 08/01/1987 to 04/01/1988	V (Vehicle)	6400	07/20/1988	MFR	MACK TRUCKS, INC	07/27/1988	08/04/1988
Defect Summary	Some of the nuts/bolts used to fasten the steering pitman arm may loosen.
Consequence Summary	This would allow the pitman arm to come off the steeringgear sector shaft and result in immediate loss of steering control and a vehiclecrash could occur.
Corrective Summary	Retorque nuts/bolts where necessary.
Notes	System: steering pitman arm.vehicle description: heavy duty trucks.
SUSPENSION - REAR - SPRINGS
89V033000	MACK TRUCKS, INCORPORATED	from 09/01/1987 to 10/01/1988	V (Vehicle)	152	07/31/1989	MFR	MACK TRUCKS, INC	03/03/1989	03/21/1989
Defect Summary	Dowels may have been omitted during spring cap installation; this would put shear load on the four (4) spring cap bolts.
Consequence Summary	This could result in loosening and failure of the boltswith possible loss of control and accident potential.
Corrective Summary	Install the missing dowels to prevent movement between the spring cap and axle housing.
Notes	System: spring cap to axle housing connection dowel.vehicle description: heavy duty trucks.