Mack R 1979
Model R made in 1979 by Mack got 3 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 | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 - WHEEL AND HANDLE BAR | ||||||||||||||||
| 79V165000 | MACK TRUCKS, INCORPORATED | from 03/01/1979 to 06/01/1979 | V (Vehicle) | 80 | 11/28/1979 | MFR | MACK TRUCKS, INC | 07/09/1979 | 10/12/1979 | |||||||
| Defect Summary | The pinch bolt hole center to steering gear input shaft on the lower yoke dimension exceeds specifications. if the pinch bolt becomes loose, it will not engage the steering gear input shaft notch and the shaft could slip off. | |||||||||||||||
| Consequence Summary | ||||||||||||||||
| Corrective Summary | The proper steering gear input shaft yoke will be installed without charge to owner. | |||||||||||||||
| Notes | Vehicle description: trucks equipped with sg46 manual steering gear.system: steering; shaft assembly.consequences of defect: should slippage occur, loss of steering control and anaccident could result without prior warning. | |||||||||||||||
| 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. | |||||||||||||||