MACKRwl
NHTSA vehicle recall lookup
1977 Mack Rwl recalls
There are 4 NHTSA recall campaigns associated with this vehicle configuration.
Live NHTSA dataVehicle taxonomy resolved as Mack Rwl.
Most-mentioned components
ELECTRICAL SYSTEM:WIRING · 1SERVICE BRAKES, AIR:ANTILOCK:INTERCONNECTING ASSEMBLY(WIRING) · 1ENGINE AND ENGINE COOLING:ENGINE · 1STEERING:LINKAGES · 1
Campaign 78V222000
Electrical System › Wiring
Nov 10, 1978
Summary
A SHORT CIRCUIT COULD OCCUR DUE TO CHAFING OR WIRE DISCONNECTION IN THE BOX.
Remedy
Open campaign page →
THE WIRING IN THE SLEEPER BOX WILL BE CORRECTED, FREE OF CHARGE.
Campaign 78V210000
Service Brakes, Air › Antilock › Interconnecting Assembly(Wiring)
Mar 10, 1978
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".
Remedy
Open campaign page →
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.
Campaign 78V170000
Engine And Engine Cooling › Engine
Aug 8, 1978
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.
Remedy
Open campaign page →
DEALER WILL INSPECT AND, IF NECESSARY, REPLACE ALUMINUM SUPPORT BRACKETS WITH BRACKETS MADE FROM DUCTILE IRON FOR INCREASED STRENGTH.
Campaign 79V137000
Steering › Linkages
Jan 6, 1979
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.
Remedy
Open campaign page →
DEALER WILL INSPECT AND RETORQUE PITMAN ARM, IF NECESSARY, AT NO COST TO OWNER.
Does this mean my vehicle has an open recall?
No. Year/make/model results show campaigns associated with this vehicle configuration. RecallSight can decode your VIN and build the research dossier here; NHTSA remains authoritative for whether a specific VIN has an unrepaired recall.
Check a VIN on RecallSight →What should I do?
Review the remedy and manufacturer guidance for each campaign. Safety recall remedies are generally provided by manufacturers without charge when the vehicle is covered.
Model history
See every Mack Rwl model year
Browse all official vPIC model years, including years RecallSight has not indexed yet, then compare the evidence as each year is loaded.