Mack Mb 1978
Model Mb made in 1978 by Mack got 3 recalls. There were some recalls concerningservice brakes, air, steering and suspension.
Model 1978
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 | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SERVICE BRAKES, AIR - ANTILOCK - INTERCONNECTING ASSEMBLY(WIRING) | ||||||||||||||||
| 78V210000 | MACK TRUCKS, INCORPORATED | from 10/01/1977 to 09/01/1978 | V (Vehicle) | 19370 | 11/07/1978 | MFR | MACK TRUCKS, INC | 10/03/1978 | 10/12/1979 | 571 | 121 | |||||
| Defect Summary | Delays of up to about 2 seconds may exist in the brake application times to the brakes on the bogie axles in the presence of certain types of wheel speed sensor signal discontinuities or distortions that may occur as a result of sensor wire failure. this constitutes a non-compliance to federal motor vehicle safety standard no. 121, air brake systems. | |||||||||||||||
| Consequence Summary | ||||||||||||||||
| Corrective Summary | Dealer will install new wheel speed sensors that incorporate improved wiring and the present bogie anti-wheel lock system will be changed to an axle-to-axle system for improved reliability. | |||||||||||||||
| Notes | Vehicle description: heavy trucks.system: service brakes; electrical wiring and connectors.consequences of defect: this delay in effective braking action could lead to anaccident under certain traffic conditions. | |||||||||||||||
| STEERING - LINKAGES - KNUCKLE - SPINDLE - ARM | ||||||||||||||||
| 78V172000 | MACK TRUCKS, INCORPORATED | V (Vehicle) | 13800 | 02/22/1979 | MFR | MACK TRUCKS, INC | 08/08/1978 | 10/12/1979 | ||||||||
| Defect Summary | The existing cross steering arms may have insufficient fatigue life in the neck area. this is near the boss for the cross steering tube ball joint connection. failure of either of the cross steering levers could lead to loss of steering control of the right front wheel. | |||||||||||||||
| Consequence Summary | ||||||||||||||||
| Corrective Summary | The dealer will inspect and, if necessary, install cross steering arms of improved design and greater strength. | |||||||||||||||
| Notes | Vehicle description: truck tractors.system: steering; steering arm.consequences of defect: loss of steering control could lead to loss of vehiclecontrol and an accident. | |||||||||||||||
| SUSPENSION - REAR - SPRINGS - LEAF SPRING ASSEMBLY - HANGER/BRACKET | ||||||||||||||||
| 79V018000 | MACK TRUCKS, INCORPORATED | from 04/01/1978 to 06/01/1978 | V (Vehicle) | 17 | 09/05/1979 | MFR | MACK TRUCKS, INC | 01/12/1979 | 10/12/1979 | |||||||
| Defect Summary | The steel brackets on the suspension beam were found to be deficient due to excessive shrinkage and low mechanical properties. failure of one or both of these brackets could cause a separation of the axle housing from the suspension. | |||||||||||||||
| Consequence Summary | ||||||||||||||||
| Corrective Summary | The dealer will inspect and, if necessary, replace any suspect bogie spring insulator caps with new caps meeting the proper specifications at no cost to owner. | |||||||||||||||
| Notes | Vehicle description: trucks, heavy.system: suspension; hanger brackets.consequences of defect: loss of vehicle control can result and lead to avehicle accident. | |||||||||||||||