MACKMh
NHTSA vehicle recall lookup
1983 Mack Mh recalls
There are 8 NHTSA recall campaigns associated with this vehicle configuration.
Live NHTSA dataVehicle taxonomy resolved as Mack Mh.
Most-mentioned components
STEERING: STEERING WHEEL/HANDLE BAR · 2SEAT BELTS · 1SERVICE BRAKES, AIR · 1STRUCTURE:BODY:BUMPERS · 1TRAILER HITCHES:FIFTH WHEEL ASSEMBLY · 1SERVICE BRAKES, AIR:SUPPLY:CHECK VALVE · 1STRUCTURE · 1
Campaign 88V147000
Seat Belts
Jun 9, 1988
Summary
SEAT TETHER BELTS MAY NOT HAVE BEEN ADJUSTED DURING ASSEMBLY.
Risk
DURING AN IMPACT, DRIVER AND/OR RIDER CAN MOVE FORWARDAND POSSIBLY STRIKE THE WINDSHIELD, EVEN WHEN WEARING A SEAT BELT.
Remedy
Open campaign page →
ADJUST SEAT TETHER BELT IF NECESSARY.
Campaign 85V113000
Service Brakes, Air
May 9, 1986
Summary
THE DUAL DOUBLE CHECK VALVE MAY NOT RELEASE THE PROPER AIR VOLUME TO THE BRAKE SYSTEM, CAUSING A SLIGHT TIMING DELAY BETWEEN THE TRACTOR AND THE TRAILER BRAKE SYSTEM. CONSEQUENCES OF DEFECT: IF THE BRAKES ARE SUDDENLY APPLIED, THE TRAILER COULD JACKKNIFE WITHOUT WARNING TO THE OPERATOR, WHICH COULD RESULT IN A VEHICLE CRASH.
Remedy
Open campaign page →
INSTALL TWO NEW SLEEVES IN THE DUAL DOUBLE CHECK VALVE WHICH WILL INCREASE AIR FLOW.
Campaign 83V100000
Steering › Steering Wheel/Handle Bar
Mar 9, 1985
Summary
UNDER SEVERE STRAIN, A DEFECTIVE WELD JOINING THE STEERING WHEEL HUB TO THE HUB PERIMETER COULD FAIL, CAUSING THE STEERING WHEEL TO SEPARATE FROM THE VEHICLE.
Remedy
Open campaign page →
DEFECTIVE STEERING WHEELS WILL BE REPLACED AT NO CHARGE TO OWNER.
Campaign 85V051000
Structure › Body › Bumpers
Jan 5, 1985
Summary
THE FLIP OUT STEP CLEVIS ON THE BUMPER MAY FAIL AND BREAK UNDER THE WEIGHT OF THE PERSON STANDING ON THE STEP TO SERVICE THE FRONT AREA OF THE VEHICLE. CONSEQUENCE OF DEFECT: THIS SUDDEN BREAK WILL CAUSE THE PERSON STANDING ON THE STEP TO FALL, WITHOUT WARNING, AND COULD RESULT IN INJURIES.
Remedy
Open campaign page →
REMOVE THE STEP CLEVIS AND REPLACE WITH A NEW IMPROVED CLEVIS.
Campaign 84V140000
Trailer Hitches › Fifth Wheel Assembly
Jul 11, 1984
Summary
DUE TO IMPROPER AND INADEQUATE WELDING PRACTICES, THE FIFTH WHEEL ON THE INVOLVED VEHICLES IS DEFECTIVE. FRAME MOUNTED SUPPORTS MAY HAVE INCOMPLETE OR POOR QUALITY WELDS. THE WELDS COULD SUBSEQUENTLY FAIL ALLOWING SEPARATION OF THE TRACTOR FROM THE TRAILER.
Remedy
Open campaign page →
THE DEALER WILL INSPECT AND REMOVE THE FIFTH WHEEL AND REWELD THE MOUNTING ANGLES AT NO CHARGE TO THE OWNER.
Campaign 84V035000
Service Brakes, Air › Supply › Check Valve
Nov 3, 1985
Summary
A MANUFACTURING ERROR RESULTED IN THE INSTALLATION OF CARBON STEEL SPRINGS IN SOME DUAL-COMPARTMENT AIR RESERVOIR CHECK VALVES. CARBON STEEL SPRINGS ARE INADEQUATE FOR THIS APPLICATION BECAUSE THEY ARE SUBJECT TO SEVERE CORROSION AND SUBSEQUENT FAILURE OF THE CHECK VALVE.
Remedy
Open campaign page →
THE CARBON STEEL SPRING WILL BE REPLACED WITH A STAINLESS STEEL ONE.
Campaign 84V033000
Steering › Steering Wheel/Handle Bar
Oct 3, 1985
Summary
IMPROPER STEERING CLAMP BOLTS AND TORQUE APPLIED DURING INSTALLATION. THE BOLT COULD FAIL, ALLOWING THE STEERING YOKE TO BECOME LOOSE.
Remedy
Open campaign page →
INSPECTION AND, IF NECESSARY, INSTALLATION OF PROPER STEERING SHAFT CLAMP BOLTS TIGHTENED TO SPECIFICATIONS.
Campaign 86V008000
Structure
May 1, 1987
Summary
LEFT OR RIGHT CAB STEP MAY CRACK IN ITS WELDED AREA DUE TO FLEXING OF THE STEP DURING ENTERING AND EXITING. CONSEQUENCE OF DEFECT: AS THE CRACKS EXTEND, THE TUBULAR STEP COULD PARTIALLY COLLAPSE AND BREAK WITHOUT WARNING TO THE USER, AND COULD RESULT IN PERSONAL INJURIES.
Remedy
Open campaign page →
INSTALL A REINFORCEMENT BRACE IF NO CRACKS ARE FOUND. IN ADDITION, REPLACE STEP IF CRACKS ARE PRESENT.
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 Mh model year
Browse all official vPIC model years, including years RecallSight has not indexed yet, then compare the evidence as each year is loaded.