Vehicle Safety Recalls

Search 30,039 NHTSA recall campaigns covering every vehicle sold in the United States since 1966.

30,039 Recall Campaigns
24,137 Vehicle Models
233 Vehicle Makes
1966–2026 Year Range

What is a vehicle safety recall?

A vehicle safety recall is issued when a manufacturer or the National Highway Traffic Safety Administration (NHTSA) determines that a defect in a motor vehicle creates an unreasonable risk to safety, or that the vehicle fails to meet a federal motor vehicle safety standard. Once a recall is issued, the manufacturer is required by federal law (49 U.S.C. § 30120) to repair, replace, or refund the vehicle without charge to the owner. The repair obligation lasts at least 15 years from the date the vehicle was first sold, regardless of mileage, ownership history, or warranty status.

The list below contains every recall campaign in NHTSA's official database — over 30,039 campaigns covering tens of millions of individual vehicles dating back to 1966. Each entry includes the official NHTSA campaign number (used to schedule the repair at any franchised dealer), the affected component, the defect description, the consequence of the failure, and the manufacturer's remedy. You can filter by make, model year, or keyword. To check whether a specific vehicle has an open recall, use the VIN lookup; to read every recall ever issued for a particular brand, use browse by make.

How to read a recall entry

Each recall card on this page surfaces the four pieces of information that matter most to vehicle owners:

  • Component. The system or part affected by the defect — brakes, airbags, fuel system, electrical, etc. NHTSA uses a standardized component taxonomy.
  • Summary. Plain-English description of the defect and what is expected to fail.
  • Consequence. The actual safety risk — fire, loss of brakes, airbag rupture, sudden stalling. This is the most important field for understanding severity.
  • Remedy. What the dealer will do to fix the vehicle. This tells you how long the repair will take and whether parts are likely to be available.

A small share of recalls — typically less than 3 percent — also carry severity flags such as "Park Outside" or "Do Not Drive." When a recall has one of these flags, NHTSA is recommending that owners take additional precautions until the repair is performed. Park Outside means the defect can ignite a fire even when the vehicle is parked; Do Not Drive means the failure mode is severe enough that NHTSA cannot recommend continuing to operate the vehicle. We have a deeper explainer at Understanding Recall Severity.

Where this data comes from

This page is built on NHTSA's recall flat-file database, which we re-import on the first day of every month. Each individual recall record is sourced directly from NHTSA's public files — we don't paraphrase, summarize, or alter the official descriptions. The summaries you see are the manufacturer's own filings as submitted to NHTSA, lightly reformatted for readability. For the most current status of any specific VIN, the authoritative source is nhtsa.gov/recalls; this page is most useful for browsing patterns across models and years rather than checking the status of one specific car.

Read more from our blog

How to Check If Your Car Has an Open Recall › What to Do If Your Car Is Recalled › Why Recall Repairs Are Always Free › Used Car: 7 Recall Checks to Run First › The Takata Airbag Recall: Full Story › All Articles ›
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Showing 429 recalls for MACK

89V119000 Jul 24, 1989
MACK RB600S (1988) — SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY:HANGER,BRACKET
THERE MAY BE SPRING EYE CONTACT WITH THE SPRING BRACKET AND HIGH STRESS LEVELS IN THE BRACKET.
67 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Consequence: SPRING BRACKET FAILURE AND CONSEQUENT FRONT SPRINGDISLOCATION COULD RESULT IN IMPAIRED STEERING CONTROL IN A TURNING MANEUVER.
Remedy: CHASSIS WILL BE RETROFITTED WITH CURRENT PRODUCTION FRONT SPRING REAR BRACKETS TO ELIMINATE ANY INTERFERENCE.
89V086000 May 22, 1989
MACK CH (1988) — STEERING: STEERING WHEEL/HANDLE BAR
STEERING WHEEL RETAINING NUTS MAY HAVE BEEN IMPROPERLY INSTALLED AND/OR TORQUED.
16,000 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Remedy: RENEW AND RETORQUE STEERING WHEEL RETAINING NUTS.
89V079000 May 15, 1989
MACK MH (1989) — SUSPENSION:FRONT
TORQUE ROD BOLTS ARE GRADE 2 INSTEAD OF GRADE 5, WHICH IS NOT TO SPECIFICATION, AND COULD FAIL.
100 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Consequence: BOLT FAILURE COULD ALLOW THE REAR AXLE TO SHIFT; THISCOULD ADVERSELY AFFECT TRUCK CONTROL AND COULD RESULT IN A CRASH.
Remedy: REPLACE TORQUE ROD BOLTS WITH BOLTS OF THE PROPER SPECIFICATION.
89V035000 Mar 10, 1989
MACK MS250P (1988) — SERVICE BRAKES, AIR:SUPPLY:RESERVOIR/TANK
TOTAL CAPACITY OF AIR BRAKE RESERVOIR MAY BE SLIGHTLY LESS THAN REQUIRED BY FMVSS 121.
281 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Consequence: TRUCKS WOULD NOT COMPLY WITH STANDARD.
Remedy: REPAIR TO ASSURE CORRECT TOTAL CAPACITY OF AIR BRAKE RESERVOIRS.
89V033000 Mar 3, 1989
MACK DM SERIES (1988) — SUSPENSION:REAR:SPRINGS
DOWELS MAY HAVE BEEN OMITTED DURING SPRING CAP INSTALLATION; THIS WOULD PUT SHEAR LOAD ON THE FOUR (4) SPRING CAP BOLTS.
152 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Consequence: THIS COULD RESULT IN LOOSENING AND FAILURE OF THE BOLTSWITH POSSIBLE LOSS OF CONTROL AND ACCIDENT POTENTIAL.
Remedy: INSTALL THE MISSING DOWELS TO PREVENT MOVEMENT BETWEEN THE SPRING CAP AND AXLE HOUSING.
89V032000 Mar 3, 1989
MACK DM SERIES (1987) — STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS
AN INCORRECT HIGH PRESSURE POWER STEERING HOSE MAY HAVE BEEN INSTALLED.
3,127 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Consequence: UNDER CERTAIN CONDITIONS, HOSE COULD FAIL RESULTING INLOSS OF POWER STEERING ASSIST AND POSSIBLY AN ACCIDENT.
Remedy: REPLACE INCORRECT POWER STEERING HOSES.
89V024000 Feb 21, 1989
MACK MH (1987) — SEAT BELTS:REAR/OTHER
SEAT TETHER BELT 11.0 INCHES LONG WAS INSTALLED INSTEAD OF THE 8.5 INCHES LONG BELT REQUIRED FOR THIS CHASSIS.
19 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Consequence: INCORRECT LENGTH BELT MAY NOT PROPERLY RESTRAIN OCCUPANTAND WOULD NOT COMPLY WITH FMVSS 210.
Remedy: INSTALL CORRECT 8.5 INCH SEAT TETHER BELT.
89V022000 Feb 17, 1989
MACK MACK (1984) — SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE
AN INCORRECT 3/4 INCH BOLT WAS INSTALLED ON RT/RS 450 SUSPENSION.
18 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Consequence: THIS BOLT MAY BREAK, CAUSING DISENGAGEMENT OF THE BEAM CONNECTION OF REAR SUSPENSION, RESULTING IN LOSS OF CONTROL, WHICH COULD RESULT IN AN ACCIDENT.
Remedy: RETROFIT CHASSIS WITH 1 INCH BOLTS.
89V002000 Jan 12, 1989
MACK MR600 (1988) — ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
EXHAUST HEAT SHIELD WAS NOT INSTALLED IN PRODUCTION.
1,500 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Consequence: THE LACK OF THIS SHIELD CAN ALLOW FALLING REFUSE TO CAUSEA VEHICLE FIRE.
Remedy: INSTALL AN EXHAUST PIPE HEAT SHIELD.
88V178000 Nov 14, 1988
MACK CM400 (1987) — ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
ENGINE COOLING FAN IS SUBJECT TO HIGH STRESS AND POTENTIAL FATIGUE PROBLEMS.
400 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Consequence: FAN FAILURE COULD RESULT IN PARTS BEING PROPELLED OUTSIDEOF THE FAN SHROUD, WHICH COULD INJURE THE PERSON STANDING NEAR THE ENGINECOMPARTMENT.
Remedy: REPLACE FAN WITH AN ALTERNATE FAN.
88V161000 Oct 18, 1988
MACK DMM SERIES (1988) — ENGINE AND ENGINE COOLING:ENGINE
CERTAIN ENGINE SUPPORT CASTINGS WERE PRODUCED WITH FAULTY METALLURGY AND COULD FAIL.
408 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Consequence: FAILURE OF ONE OR BOTH BRACKETS COULD CAUSE DISLOCATIONOF ENGINE AND TRANSMISSION ASSEMBLY, WHICH COULD RESULT IN TRUCK DISABLEMENT,POSSIBLE LOSS OF ACCELERATOR CONTROL AND AN ACCIDENT.
Remedy: REPLACE REAR ENGINE SUPPORTS AS NECESSARY.
88V162000 Oct 18, 1988
MACK R SERIES (1987) — FUEL SYSTEM, GASOLINE:STORAGE
THERE MAY BE INSUFFICIENT WELD WHERE THE STEP IS WELDED TO THE FUEL TANK.
5,098 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Consequence: WELD CRACKS COULD EVENTUALLY CAUSE STEPS TO DISENGAGEAND POSSIBLY INJURE PERSONS ENTERING OR LEAVING THE TRUCK.
Remedy: REPLACE FUEL TANK STEPS WITH CRACKS; MODIFY OTHERS TO PREVENT STEP FROM SEPARATING FROM THE TANK.
88V153000 Sep 27, 1988
MACK CF (1987) — WHEELS
FASTENERS THAT HOLD THE REAR WHEEL TO THE HUB AND DRUM ASSEMBLY MAY BE IMPROPERLY TORQUED.
19 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Consequence: AN UNDERTORQUED FASTENER WILL LOOSEN UP AND CAN RESULT INWHEEL SEPARATION, LOSS OF CONTROL, AND AN ACCIDENT.
Remedy: PROPERLY TORQUE REAR WHEEL SPACE FASTENERS.
88V154000 Sep 27, 1988
MACK DM SERIES (1987) — SUSPENSION:MULTIPLE AXLE
THE UNDERSIZED WELD ON THE REAR SUSPENSION BRACKETRY ATTACHMENT CAN CAUSE BRACKET FAILURE.
129 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Consequence: BRACKET FAILURE CAN ALLOW THE SPRING ASSEMBLY TO BERELEASED ONTO THE ROADWAY, POSSIBLY RESULTING IN LOSS OF CONTROL AND ANACCIDENT.
Remedy: REPLACE ANY HOUSINGS THAT HAVE SINGLE PASS (UNDERSIZED) WELDS ON THE BRACKETRY ATTACHMENT.
88V147000 Sep 6, 1988
MACK MH (1982) — SEAT BELTS
SEAT TETHER BELTS MAY NOT HAVE BEEN ADJUSTED DURING ASSEMBLY.
11,000 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Consequence: DURING AN IMPACT, DRIVER AND/OR RIDER CAN MOVE FORWARDAND POSSIBLY STRIKE THE WINDSHIELD, EVEN WHEN WEARING A SEAT BELT.
Remedy: ADJUST SEAT TETHER BELT IF NECESSARY.
88V126000 Jul 28, 1988
MACK MACK (1985) — SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS
SOME AIR BRAKE HOSE ASSEMBLIES MAY NOT COMPLY WITH BURST STRENGTH REQUIREMENTS OF FMVSS 106.
24,106 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Consequence: VEHICLES DO NOT COMPLY WITH STANDARD.
Remedy: REPLACE SUSPECT HOSE ASSEMBLIES.
88V125000 Jul 27, 1988
MACK DM SERIES (1988) — STEERING:LINKAGES
SOME OF THE NUTS/BOLTS USED TO FASTEN THE STEERING PITMAN ARM MAY LOOSEN.
6,400 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Consequence: THIS WOULD ALLOW THE PITMAN ARM TO COME OFF THE STEERINGGEAR SECTOR SHAFT AND RESULT IN IMMEDIATE LOSS OF STEERING CONTROL AND A VEHICLECRASH COULD OCCUR.
Remedy: RETORQUE NUTS/BOLTS WHERE NECESSARY.
88V124000 Jul 26, 1988
MACK CS 300P (1988) — STEERING:HYDRAULIC POWER ASSIST:PUMP
POWER STEERING PUMPS MAY HAVE A RIDGE INSIDE THE ALUMINUM HOUSING WHICH COULD DETACH ITSELF FROM THE HOUSING AND BECOME WEDGED INSIDE THE RELIEF VALVE, KEEPING IT OPEN.
294 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Consequence: THIS COULD RESULT IN SUDDEN LOSS OF ASSISTANCE TO THESTEERING WITH THE POTENTIAL FOR AN ACCIDENT.
Remedy: REPLACE POWER STEERING PUMP.
88V102000 Jun 27, 1988
MACK RD SERIES (1988) — STEERING:GEAR BOX (OTHER THAN RACK AND PINION)
COMPRESSION OF FRONT SPRINGS COULD INTERFERE WITH THE 90 DEGREE CROSSOVER FITTINGS ON THE BOTTOM OF THE GEARS.
140 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Consequence: IF ONE OF THE FITTINGS BREAK, THE HYDRAULIC FLUID ISLOST, RESULTING IN LOSS OF POWER STEERING AND POSSIBLY A CRASH.
Remedy: REPLACE CENTER PORT STEERING GEAR CYLINDER HEADS WITH NEW SIDE PORT CYLINDER HEADS. ALSO, INSTALL THICKER BUMPER STOPS TO ELIMINATE SPRING TO GEAR CONTACT.
88V085000 May 23, 1988
MACK DM SERIES (1988) — POWER TRAIN:DRIVELINE:CENTER SUPPORT BEARING
CLAMP PLATES USED BETWEEN THE DRIVE SHAFT AND CARRIER YOKES MAY CRACK AND COULD BREAK DUE TO IMPROPER HEAT TREATMENT.
203 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Consequence: IF CLAMP PLATE BREAKS, YOKE WOULD FLY OFF AT DETACHEDPOINT AND COULD INJURY ANYONE STRUCK BY FLYING FRAGMENTS. ALSO, THE DETACHEDINNER SHAFT COULD INTERFERE WITH THE BRAKE SYSTEM AIR SUPPLY HOSES AND TRACTORTIRES, WHICH COULD RESULT IN LOSS OF TRUCK CONTROL AND AN ACCIDENT.
Remedy: INSTALL NEW CLAMPING PLATES AND CAPSCREWS IN ALL LOCATIONS AS NEEDED.
88E012002 Apr 15, 1988
MACK MACK (1988) — SEAT BELTS:FRONT:BUCKLE ASSEMBLY
THE BUCKLE ASSEMBLY COULD HAVE A LARGE PAWL TO BASE CLEARANCE WHICH MAY NOT ALLOW THE PROPER ENGAGEMENT OF THE CONNECTOR.
18,000 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Consequence: THE PAWL TO BASE CLEARANCE PRECLUDES THE INABILITY TOENGAGE THE SEAT BELT CONNECTOR.
Remedy: INSPECT AND REPLACE ALL BUCKLE ASSEMBLIES FOUND WITH IMPROPER CLEARANCE.
88V043000 Mar 28, 1988
MACK RM (1986) — STEERING:GEAR BOX (OTHER THAN RACK AND PINION)
THE STEERING SHAFT SPLINE ENGAGEMENT IS ONLY .52, THE RECOMMENDED ENGAGEMENT IS 2 INCHES.
259 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Consequence: UNDER IMPACTS SUCH AS ROAD POTHOLES, IT COULD RESULT INSHAFT DISENGAGEMENT. THE DRIVER WOULD IMMEDIATELY LOSE STEERING CONTROLWITHOUT WARNING AND VEHICLE CRASH COULD OCCUR.
Remedy: REPLACE SHAFTS THAT MEASURE UNDER THE MINIMUM ENGAGEMENT DIMENSIONS WITH A LONGER SHAFT.
88V044000 Mar 28, 1988
MACK MR (1988) — SEAT BELTS:FRONT:ANCHORAGE
SEAT BELT MOUNTING BOLTS ON THE INBOARD SIDE OF RIDERS SEAT MAY HAVE BEEN UNDERTORQUED.
127 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Consequence: BOLTS MAY LOOSEN AND EVENTUALLY SEPARATION OF THE BELTASSEMBLY FOR THE MOUNTING BRACKET COULD OCCUR. IN AN SUDDEN PANIC STOP THEPASSENGER WOULD NOT BE RESTRAINT AND POSSIBLE INJURY WOULD RESULT.
Remedy: INSPECT BOLTS AND PROPERLY TORQUE.
88V025000 Mar 4, 1988
MACK FIRE TRUCK (1982) — UNKNOWN OR OTHER
SOME DEADMAN PEDALS WERE ASSEMBLED WITH INCORRECT BOLTS WHICH COULD CAUSE A MALFUNCTION WITHOUT ANYONE STEPPING ON THE PEDAL.
48 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Consequence: IF MALFUNCTION OCCURS WHILE OPERATOR IS AT PLATFORMCONTROL, SUDDEN STOPPING OF MOTION AND THEN SUDDEN CONTINUATION OF MOVEMENTCOULD ENDANGER OCCUPANTS ON THE PLATFORM.
Remedy: REPLACE INCORRECT BOLTS.
87V188000 Dec 14, 1987
MACK CS 200P (1986) — POWER TRAIN:DRIVELINE:DRIVESHAFT
SOME OF BOLTS FASTENING REAR DRIVESHAFT ON REAR AXLE FLANGE MAY LOOSEN CAUSING DRIVESHAFT DISASSEMBLY.
3,620 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Consequence: DRIVESHAFT COULD BREAK AWAY WITHOUT PRIOR WARNING ANDRESULT IN A CRASH OR INJURY FROM LOOSENED DRIVESHAFT OR BOLTS.
Remedy: REPLACE BOLTS ON REAR AXLE.
87V187000 Dec 14, 1987
MACK MH (1987) — STEERING:LINKAGES
THE PITMAN ARM TO DRAG LINK ANGLE IS OUT OF PHASE.
29 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Consequence: UNDER CERTAIN CONDITIONS, STEERING LINKAGE COULD GO INTOA TOGGLE CONDITION RESULTING IN A SLOW WHEEL RETURN AND IMPAIRED STEERINGCONTROL, CREATING THE POTENTIAL FOR A VEHICLE CRASH WITHOUT PRIOR WARNING.
Remedy: REPLACE MISMARKED PITMAN ARM.
87V179000 Nov 23, 1987
MACK CF (1987) — STEERING:LINKAGES
CROSS STEERING LEVERS MAY BE IMPROPERLY HEAT TREATED AND SUBJECT TO FAIL DURING NORMAL OPERATION.
323 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Consequence: SUCH FAILURE COULD CAUSE LOSS OF TRUCK CONTROL WITHOUTPRIOR WARNING AND RESULT IN A CRASH.
Remedy: INSTALL NEW, PROPERLY HEAT TREATED STEERING LEVER.
87V166000 Oct 26, 1987
MACK MH (1986) — STEERING:LINKAGES
ON RIGHT HAND STEERING ARM, KEYWAY MAY BE IN THE WRONG LOCATION CAUSING A TOGGLE CONDITION TO OCCUR UNDER CERTAIN CONDITIONS.
200 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Consequence: THIS COULD RESULT IN SLOW STEERING RETURN WITHOUT PRIORWARNING WHICH WOULD AFFECT STEERING CONTROL AND CREATE THE POTENTIAL FOR ACRASH.
Remedy: REPLACE INCORRECT STEERING ARM.
87V106000 Jul 15, 1987
MACK RL600 (1984) — SERVICE BRAKES, AIR:SUPPLY:RESERVOIR/TANK
MINIMUM AIR RESERVOIR VOLUME CAPACITY IS LESS THAN REQUIRED BY FMVSS NO. 121.
1,000 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Consequence: FAILURE TO MEET REQUIREMENTS OF FMVSS NO. 121.
Remedy: RETROFIT ADDITIONAL RESERVOIR CAPACITY TO ENSURE FULL COMPLIANCE WITH FMVSS NO. 121.
87V010000 Feb 9, 1987
MACK MACK (1972) — SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM
CROSSMEMBER CAN BE OVERSTRESSED AND CAN FAIL, ALLOWING THE BROKEN CROSSMEMBER TO PROTUDE ABOVE THE TOP OF THE FRAME AND INTERFERE WITH CHASSIS COMPONENTS.
5,235 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Consequence: TRAILER HANDLING COULD BE AFFECTED DURING TURNINGMANEUVERS WHICH COULD RESULT IN LOSS OF TRUCK CONTROL AND A CRASH. ALSO, ACOMPLETELY SEPARATED CROSSMEMBER COULD AFFECT HEIGHT OF SUSPENSION AIR SPRINGSAND THE RESULTING LEAN COULD RESULT IN LOSS OF CONTROL.
Remedy: INSTALLATION OF A BOLTED DOUBLE PLATE TYPE CROSSMEMBER TO REPLACE THE STANDARD CHANNEL TYPE CROSSMEMBER.
86V069000 May 27, 1986
MACK RL SERIES (1984) — STEERING:LINKAGES:DRAG:LINK:CONNECTION
THE DRAG LINK TO PITMAN ARM TOGGLE ANGLE MAY BE GREATER THAN DESIGN CRITERIA, AND MAY CAUSE THE STEERING TO BIND. CONSEQUENCE OF DEFECT: IF TRUCK NEGOTIATES EXTREME RIGHT HAND TURN THE LEFT FRONT WHEEL DROPS INTO A DEEP HOLE, STEERING RETURN WOULD BE SLOW, WITHOUT WARNING TO OPERATO...
200 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Remedy: REPLACE LEFT HAND STEERING LEVER.
86V067000 May 27, 1986
MACK CS 200 (1985) — VEHICLE SPEED CONTROL
THE SEALANT USED ON THE INJECTION PUMP COULD PENETRATE THROUGH THE BUSHING AND GET BETWEEN THE THROTTLE SHAFT AND BUSHINGS CAUSING THE SHAFT TO BIND. CONSEQUENCE OF DEFECT: THROTTLE SHAFT SEIZURE MAY CAUSE THE ENGINE TO STAY ON FULL THROTTLE, AND...
830 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Remedy: REPLACE BOTH BUSHINGS IN THE GOVERNOR HOUSING.
86V070000 May 27, 1986
MACK CF (1984) — STEERING: STEERING WHEEL/HANDLE BAR
AN INCORRECT STEERING SHAFT RETAINING NUT IS INSTALLED ON THE SHAFT AND CAN LOOSEN CAUSING STEERING PLAY. CONSEQUENCE OF DEFECTS: IF NUT IS NOT REPLACED, STEERING WHEEL DISENGAGEMENT COULD OCCUR CAUSING LOSS OF STEERING CONTROL AND POSSIBLY A VEHICLE CRASH.
180 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Remedy: INSTALL PROPER NUT TO ENSURE STEERING WHEEL RETENTION.
86V068000 May 27, 1986
MACK CS 200P (1985) — STEERING: STEERING WHEEL/HANDLE BAR
STEERING COLUMN BOOT ATTACHED TO EXTERIOR OF FIREWALL COULD BE DEFORMED BY THE SOUND INSULATION PLACED ON THE FIREWALL AND CAUSES INTERFERENCE WITH THE STEERING SHAFT U-JOINT BOLT. CONSEQUENCE OF DEFECT: AN IMPROPERLY FITTED OR DEFORMED BOOT COULD GET CAUGHT ON BOLT WHICH RETA...
1,287 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Remedy: MODIFY CAB FRONT PANEL SOUND PROOFING AND CHANGE POSITION OF STEERING COLUMN BOOT.
86V040000 Mar 10, 1986
MACK MACK (1982) — SUSPENSION:FRONT:WHEEL BEARING
FRONT STEERING KNUCKLE THRUST BEARING MAY SHATTER INTO PIECES DUE TO IMPROPER HEAT TREATMENT. CONSEQUENCE OF DEFECT: FAILURE OF THE BEARING MAY AFFECT STEERING CONTROL. IF BEARING DISINTEGRATES, IT WOULD RESULT IN INCREASE STEERING DRAG AND/OR CAUSE STEERING LOCK UP W...
50,100 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Remedy: REPLACE DEFECTIVE THRUST BEARINGS.
86V009000 Jan 22, 1986
MACK MACK (1978) — SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY
THE SPRING EYE BOLT WAS NOT TORQUED PROPERLY AND COULD FAIL DUE TO THE LOOSE FIT WITHIN THE SPRING EYE BUSHING/HANGER BRACKET. CONSEQUENCE OF DEFECT: THE SPRING COULD FALL ONTO THE ROAD SURFACE, WITHOUT WARNING TO THE DRIVER, AND A VEHICLE CRASH COULD OCCUR DUE TO THE SUDDEN DRAG OF THE SPRING.
11,000 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Remedy: NOT AVAILABLE AT THIS TIME. IN THE INTERIM THE TORQUE OF THE SPRING EYE BOLT WILL BE CHECKED.
86V008000 Jan 17, 1986
MACK MH (1982) — STRUCTURE
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.
7,000 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Remedy: INSTALL A REINFORCEMENT BRACE IF NO CRACKS ARE FOUND. IN ADDITION, REPLACE STEP IF CRACKS ARE PRESENT.
86V007000 Jan 17, 1986
MACK R SERIES (1981) — VEHICLE SPEED CONTROL:CABLES
THE ACCELERATOR ROD HOLE CLEARANCE IS NOT ADEQUATE AND CAN CAUSE THE ACCELERATOR LINKAGE TO BIND. CONSEQUENCE OF DEFECT: IF BINDING OCCURS WHILE IN A FULL THROTTLE POSITION, ACCELERATOR CONTROL WOULD BE LOST WITHOUT WARNING AND AN ACCIDENT COULD OCCUR.
26,760 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Remedy: ENLARGE THE ACCELERATOR ROD HOLE TO ELIMINATE INTERFERENCE WITHIN ACCELERATOR LINKAGE.
86V005000 Jan 14, 1986
MACK MACK (1985) — POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT
INCORRECT INNER WHEEL BEARINGS WERE INSTALLED IN THE REAR AXLES WHICH WEARS A GROOVE IN THE SPINDLE DUE TO A POOR FIT. CONSEQUENCE OF DEFECT: A DEEP GROOVE COULD CAUSE THE AXLE HOUSING TO BREAK AND RESULT IN A VEHICLE CRASH WITHOUT PRIOR WARNING.
484 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Remedy: REPLACE INNER WHEEL BEARING WITH CORRECT BEARING. ALSO, IF A GROOVE IS PRESENT, REMOVE THE GROOVE AND ASSURE THAT NO CRACKS ARE PRESENT. REPLACE HOUSING IF CRACKED.
85V159000 Nov 26, 1985
MACK MR600P (1984) — PARKING BRAKE:DRIVELINE:HYDRAULIC:HOSES, LINES/PIPING, AND FITTINGS
THE QUICK RELEASE VALVE SUPPORT BRACKET MOUNTED ON THE AXLE MAY CRACK. THIS CAUSES FATIGUE FAILURE OF THE STEEL AIR LINES LEADING TO THE REAR PARKING BRAKES AND CHASSIS SERVICE BRAKES RESULTING IN SUDDEN LOSS OF AIR PRESSURE. CONSEQUENCE OF DEF...
3,308 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Remedy: INSTALL A REDESIGNED VALVE SUPPORT BRACKET.
85V157000 Nov 26, 1985
MACK CF (1973) — STEERING: STEERING WHEEL/HANDLE BAR
THE SPLINED STEERING SHAFT MAY NOT BE SUFFICIENTLY ENGAGED AS DESIGNED DUE TO INACCURATE DRILLING OF THE HOLES IN THE FRAME TO WHICH THE CAB FRONT MOUNT MEMBER IS BOLTED. UNDER CERTAIN CONDITIONS THE STEERING SHAFT MAY DISENGAGE. CONSEQUENCE OF DEF...
143 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Remedy: REPLACE SHAFTS WHICH MEASURE UNDER THE MINIMUM ENGAGEMENT DIMENSIONS WITH LONGER SHAFT.
85V113000 Sep 17, 1985
MACK MH (1982) — SERVICE BRAKES, AIR
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 ...
5,020 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Remedy: INSTALL TWO NEW SLEEVES IN THE DUAL DOUBLE CHECK VALVE WHICH WILL INCREASE AIR FLOW.
85V057000 May 3, 1985
MACK MH (1984) — STEERING:LINKAGES:DRAG:LINK:CONNECTION
THE DRAG LINKS MAY HAVE BEEN INSTALLED INCORRECTLY ALLOWING DRAG LINK CLAMP BOLT TO AXLE BEAM INTERFERENCE. CONSEQUENCE OF DEFECT: DURING A TURNING MANEUVER, INCREASED STEERING EFFORT OR COMPLETE LOCKUP OF STEERING COULD OCCUR WITHOUT WARNING. THIS COULD RESULT IN LOSS OF TRUCK CONT...
52 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Remedy: ASSURE THAT DRAG LINKS ARE INSTALLED TO CORRECT INTERFERENCE CONDITION.
85V051000 May 1, 1985
MACK MH (1982) — STRUCTURE:BODY:BUMPERS
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, WITH...
7,500 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Remedy: REMOVE THE STEP CLEVIS AND REPLACE WITH A NEW IMPROVED CLEVIS.
84V142000 Nov 7, 1984
MACK MH (1984) — SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY
THE SPRING CENTER BOLT IS NOT THE PROPER SIZE OR LENGTH. AS A RESULT, LOCATION AND ALIGNMENT OF THE SPRING TO THE FRONT AXLE MAY NOT BE CORRECT. IF THE FRONT SPRING CLIPS LOOSEN, THE INADEQUATE CENTER BOLT MAY RESULT IN SPRING TO AXLE MISALIGNMENT, SHIFTING OF THE AXLE, AND LOSS OF STEERING CONTROL.
2,198 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Remedy: THE DEFECT WILL BE CORRECTED BY THE ADDITION OF A SPACER BETWEEN THE SPRING AND THE CENTER BOLT HEAD TO INCREASE THE EFFECTIVE HEAD LENGTH. A LONGER CENTER BOLT WILL ALSO BE INSTALLED FOR POSITIVE RETENTION.
84V140000 Nov 7, 1984
MACK MH (1982) — TRAILER HITCHES:FIFTH WHEEL ASSEMBLY
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.
64 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Remedy: THE DEALER WILL INSPECT AND REMOVE THE FIFTH WHEEL AND REWELD THE MOUNTING ANGLES AT NO CHARGE TO THE OWNER.
84V141000 Nov 7, 1984
MACK MH (1984) — LATCHES/LOCKS/LINKAGES:DOORS:LATCH
THE DOOR LATCHES MAY BE DEFECTIVE BECAUSE A PAWL SPRING WAS NOT MANUFACTURED TO SPECIFICATIONS. THE PAWL SPRING DOES NOT CREATE PROPER TENSION ON THE PAWL, (A PART OF THE DOOR LATCH MECHANISM). THIS CONSTITUTES A NON-COMPLIANCE WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 206, "DOOR LATCHES AND DOOR RETENTION COMPONENTS".
1,300 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Remedy: THE DEALER WILL INSPECT AND REPLACE DOOR LATCHES, IF NECESSARY.
84V043000 Apr 3, 1984
MACK MC606 (1982) — FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:MOUNTING
THE FUEL TANK STRAPS MAY DEVELOP MICROSCOPIC CRACKS IN THE PLATING OF THE UPPER END LOOP, EXPOSING THE PARENT METAL TO THE ATMOSPHERE. AIR EXPOSURE PROMOTES CORROSION AND MAY LEAD TO PREMATURE FAILURE, ALLOWING THE FUEL TANK TO DROP.
850 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Remedy: DEFECTIVE STRAPS WILL BE REPLACED WITH VINYL COATED STEEL STRAPS.
84V036000 Mar 23, 1984
MACK CF (1978) — SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY
SPRING SEAT CAN DEFORM, WHICH CAUSES A DECREASE IN THE CLAMPING FORCE IN THE SUSPENSION ASSEMBLY. LOSS OF CLAMPING FORCE MAY BRING ABOUT AXLE MISALIGNMENT OR AXLE HOUSING FAILURE.
3,421 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Remedy: THE AXLE HOUSING WILL BE INSPECTED AND REPLACED, IF NECESSARY. THE SPRING SEATS WILL ALSO BE REPLACED.
84V035000 Mar 23, 1984
MACK MH (1982) — SERVICE BRAKES, AIR:SUPPLY:CHECK VALVE
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.
850 vehicles affected Manufacturer: MACK TRUCKS, INCORPORATED
Remedy: THE CARBON STEEL SPRING WILL BE REPLACED WITH A STAINLESS STEEL ONE.