1978 MACK RWL RECALLS/DEFECTS & PROBLEMS

1978 MACK RWL RECALLS/DEFECTS & PROBLEMS

Access the National Highway Traffic Safety database of 1978 MACK RWL recalls and defects found on 1978 MACK RWL automobiles. The National Highway Traffic Safety administration is authorized to order the 1978 MACK RWL manufacturers to recall and repair vehicles or parts of motor vehicle equipment when its investigation indicates that they contain serious safety defects in their structure, or performance.  Look up customer problems!

Select Component (Change Vehicle)

- ELECTRICAL SYSTEM:WIRING
- ENGINE AND ENGINE COOLING:ENGINE
- SERVICE BRAKES, AIR:ANTILOCK:INTERCONNECTING ASSEMBLY(WIRING)
- STEERING:GEAR BOX:SHAFT PITMAN
- STEERING:LINKAGES
- STEERING:WHEEL AND HANDLE BAR

Most Recent Recalls For 1978 MACK RWL

Vehicle	Component	Manufacterer
1978-1979 MACK RWL STEERING:GEAR BOX:SHAFT PITMAN Recall
1978-1979 MACK RWL	STEERING:GEAR BOX:SHAFT PITMAN Units affected: 1377	MACK TRUCKS, INCORPORATED Report Date: 1983-11-18
Summary: MOUNTING OF THE PITMAN ARM MAY LOOSEN AND LEAD TO EXCESSIVE WEAR IN EITHER THE PITMAN ARM SPLINES OR THE STEERING GEAR SHAFT SPLINES, OR BOTH. THIS CONDITION IS DUE TO INCORRECT TIGHTENING OF THE MOUNTING SCREWS DURING ASSEMBLY.
1977-1979 MACK RWL STEERING:LINKAGES Recall
1977-1979 MACK RWL	STEERING:LINKAGES Units affected: 6673	MACK TRUCKS, INCORPORATED Report Date: 1979-06-01
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.
1978-1979 MACK RWL ENGINE AND ENGINE COOLING:ENGINE Recall
1978-1979 MACK RWL	ENGINE AND ENGINE COOLING:ENGINE Units affected: 23000	MACK TRUCKS, INCORPORATED Report Date: 1979-05-31
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.
1978-1979 MACK RWL STEERING:WHEEL AND HANDLE BAR Recall
1978-1979 MACK RWL	STEERING:WHEEL AND HANDLE BAR Units affected: 2187	MACK TRUCKS, INCORPORATED Report Date: 1979-05-30
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.
1977-1978 MACK RWL ELECTRICAL SYSTEM:WIRING Recall
1977-1978 MACK RWL	ELECTRICAL SYSTEM:WIRING Units affected: 161	MACK TRUCKS, INCORPORATED Report Date: 1978-10-11
Summary: A SHORT CIRCUIT COULD OCCUR DUE TO CHAFING OR WIRE DISCONNECTION IN THE BOX.
1977-1978 MACK RWL SERVICE BRAKES, AIR:ANTILOCK:INTERCONNECTING ASSEMBLY(WIRING) Recall
1977-1978 MACK RWL	SERVICE BRAKES, AIR:ANTILOCK:INTERCONNECTING ASSEMBLY(WIRING) Units affected: 19370	MACK TRUCKS, INCORPORATED Report Date: 1978-10-03
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".
1975-1978 MACK RWL ENGINE AND ENGINE COOLING:ENGINE Recall
1975-1978 MACK RWL	ENGINE AND ENGINE COOLING:ENGINE Units affected: 850	MACK TRUCKS, INCORPORATED Report Date: 1978-08-08
Summary: THE POSSIBILITY EXISTS THAT THE ALUMINUM ENGINE REAR SUPPORT BRACKETS MAY FAIL DUE TO METAL FATIGUE. THIS TYPE OF FAILURE WOULD ALLOW THE ENGINE AND TRANSMISSION ASSEMBLY TO DISLOCATE DOWNWARD. THIS WILL RESULT IN THROTTLE CONTROL LOSS WITH THE ENGINE OPERATING CONTINUOUSLY IN THE MID TO UPPER RANGE OF THE GOVERNED SPEED RANGE.