Mack Rws 1979
Model Rws made in 1979 by Mack got 5 recalls. There were some recalls concerningengine and engine cooling, steering and suspension.
Model 1979
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 | Regulation Part Number | FMVSS Number | |||||
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ENGINE AND ENGINE COOLING - ENGINE | ||||||||||||||||
79V133000 | MACK TRUCKS, INCORPORATED | from 02/01/1977 to 03/01/1979 | V (Vehicle) | 23000 | 11/02/1979 | ODI | MACK TRUCKS, INC | 05/31/1979 | 10/12/1979 | |||||||
Defect Summary | In the event of turbocharger compressor wheel failure, one or more of the four capscrews that hold the turbocharger together may be struck by parts of the compressor wheel, resulting in the capscrews being damaged. if these capscrews are damaged to the point that they allow the compressor back plate to dislocate from the turbocharger bearing housing, engine lubricating oil may be allowed to escape under pressure, contacting the engine exhaust manifold sections or turbocharger turbine housing. | |||||||||||||||
Consequence Summary | ||||||||||||||||
Corrective Summary | Dealer will install a shield for the heads of the four capscrews, along with stronger sae 8 grade 8 capscrews, if necessary, at no cost to owner. | |||||||||||||||
Notes | Vehicle description: trucks equipped with endt (b) 676, etaz (b) 673a, and etay(b) 673a engines.system: engine and engine cooling.consequences of defect: engine lubricating oil, in the presence of a source ofignition, could lead to an engine compartment fire and serious injury tovehicle passengers. | |||||||||||||||
STEERING - LINKAGES | ||||||||||||||||
79V137000 | MACK TRUCKS, INCORPORATED | from 05/01/1977 to 04/01/1979 | V (Vehicle) | 6673 | 10/22/1979 | MFR | MACK TRUCKS, INC | 06/01/1979 | 10/12/1979 | |||||||
Defect Summary | The pitman arm retaining nut may not have been torqued to manufacturer specifications. this could result in inadequate retention of the nut at the output shaft, allowing the pitman arm to become loose. | |||||||||||||||
Consequence Summary | ||||||||||||||||
Corrective Summary | Dealer will inspect and retorque pitman arm, if necessary, at no cost to owner. | |||||||||||||||
Notes | Vehicle description: trucks.system: steering linkages; arm, pitman.consequences of defect: this condition could lead to premature wearing of theoutput shaft causing loss of vehicle control and an accident. | |||||||||||||||
STEERING - WHEEL AND HANDLE BAR | ||||||||||||||||
79V130000 | MACK TRUCKS, INCORPORATED | from 11/01/1977 to 04/01/1979 | V (Vehicle) | 2187 | 11/23/1979 | ODI | MACK TRUCKS, INC | 05/30/1979 | 10/12/1979 | |||||||
Defect Summary | It has been determined that two screws that are part of the bearing assembly located at the cab dash sheet may not have been tightened properly. as a result, the upper steering shaft may be free to float throughout much of its length which may result in inadequate engagement in the slip splines of the lower steering shaft. axle articulation could result in disengagement of the lower steering shaft slip splines. | |||||||||||||||
Consequence Summary | ||||||||||||||||
Corrective Summary | Dealer will install a sleeve between the dash sheet bearing and the upper steering shaft lower yoke to assure positive upper steering shaft location. | |||||||||||||||
Notes | Vehicle description: trucks.system: steering assembly; steering column shaft, upper.consequences of defect: loss of steering control could cause loss of vehiclecontrol and an accident. | |||||||||||||||
79V164000 | MACK TRUCKS, INCORPORATED | from 11/01/1978 to 06/01/1979 | V (Vehicle) | 4640 | 01/11/1980 | MFR | MACK TRUCKS, INC | 07/09/1979 | 10/12/1979 | |||||||
Defect Summary | The flange head pinch bolts used in the yokes of the steering shaft assemblies may have been overstressed due to the bolts not being tightened to specifications. as a result, the pinch bolts could break while in service. | |||||||||||||||
Consequence Summary | ||||||||||||||||
Corrective Summary | Flange head pinch bolts will be replaced with standard grade 8 fasteners without charge to owner. | |||||||||||||||
Notes | Vehicle description: trucks.system: steering; flange head pinch bolts.consequences of defect: if breakage occurs, loss of steering control and avehicle accident could occur. | |||||||||||||||
SUSPENSION - REAR - SPRINGS - LEAF SPRING ASSEMBLY | ||||||||||||||||
79V171000 | MACK TRUCKS, INCORPORATED | V (Vehicle) | 1706 | 12/10/1979 | MFR | MACK TRUCKS, INC | 07/12/1979 | 10/12/1979 | ||||||||
Defect Summary | The spring seat plate, located between the axle housing and the suspension springs, may deform due to spring bending. as a result, the clamping force in the assembly may be reduced. loss of clamping force could cause spring failure and the axle will dislocate. also, the tire could come into contact with the spring. | |||||||||||||||
Consequence Summary | ||||||||||||||||
Corrective Summary | The dealer will replace the existing spring seat with a newly fabricated seat which is welded to the housing. an improved spring clamping plate and new springs will also be installed without charge. | |||||||||||||||
Notes | Vehicle description: trucks.system: suspension; rear axle assembly.consequences of defect: loss of vehicle control and an accident could resultdue to dislocation of axle and tire to spring interference. |