Is This A Lemon?

Year · Make · Model

1991 Mack CH

What the National Highway Traffic Safety Administration knows about this vehicle: every recall, every consumer complaint, every defect investigation, every NCAP crash test. Sourced directly from NHTSA data feeds.

5
Open recalls
0
NHTSA complaints
0
Defect investigations
23
Service bulletins

Recalls

5 campaigns
00V019003·TRAILER HITCHES:FIFTH WHEEL ASSEMBLY2000-05-11

VEHICLE DESCRIPTION: HEAVY DUTY CLASS 8 TRUCKS EQUIPPED WITH FONTAINE FIFTH WHEEL ASSEMBLIES. THE FIFTH WHEEL MOUNTING PLATES CAN CRACK.

RiskUNDER THE TRAILER LOADING, THE MOUNTING PLATE COULD EVENTUALLY FAIL DUE TO FATIGUE.

FixDEALERS WILL INSPECT AND REPLACE THE MOUNTING PLATES THAT ARE CRACKED.

94V216000·POWER TRAIN:DRIVELINE:CENTER SUPPORT BEARING1994-11-01

THE DRIVESHAFT CENTER BEARING SUPPORT BRACKET CAN CRACK AND BREAK.

RiskIF THIS HAPPENS, THE DRIVESHAFT WILL WOBBLE AND CAN SEPARATE. SEPARATION CAN RESULT IN DAMAGE TO OTHER COMPONENTS OF THE VEHICLE OR LOOSE FRAGMENTS CAN FALL ONTO THE ROADWAY PRESENTING A HAZARD TO OTHER DRIVERS.

FixDEALERS WILL REPLACE THE CENTER BEARING HANGER BRACKET.

94V032000·VEHICLE SPEED CONTROL1994-02-15

FUEL INJECTION SYSTEM RECONFIGURATION TO COMPLY WITH ENGINE EMISSION STANDARDS CAUSE HIGHER ENGINE VIBRATION LEVELS WHICH LEAD TO EARLY WEAR AND COMPLETE FAILURE OF THE SECONDARY THROTTLE RETURN MECHANISM.

RiskIN THE EVENT THE PRIMARY THROTTLE RETURN FAILS, FAILURE OF THE SECONDARY THROTTLE RETURN SYSTEM WOULD NOT PROVIDE PROTECTION AGAINST LOSS OF THROTTLE CONTROL.

FixA NEW PRODUCTION SECONDARY THROTTLE RETURN SYSTEM CONFIGURATION WILL BE INSTALLED.

93V137000·ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN1993-08-20

THE ENGINE COOLING FAN BLADES MAY BREAK DUE TO INADEQUATE BLADE STRENGTH AROUND THE RIVETS THAT ATTACH THE BLADES TO THE FAN SPIDER.

RiskIF COMPLETE FRACTURE OF THE FAN BLADE OCCURS, IT COULDBE PROPELLED OUTSIDE THE FAN SHROUD, INJURING PERSON(S) IN THE VICINITY OFTHE TRUCK.

FixAN IMPROVED FAN WILL BE INSTALLED ON THESE VEHICLES.

91V112000·SEAT BELTS:FRONT:ANCHORAGE1991-06-25

LAP AND SHOULDER SEAT BELT ARRANGEMENT FOR FIXED (NON-SUSPENSION) SEATS DOES NOT MEET THE SEAT BELT LOADING REQUIREMENTS OF FMVSS 210. THE INBOARD CLINCH NUT IN CAB SILL, WHERE THE BUCKLE FOR THE SHOULDER AND LAP BELT IS MOUNTED, PULLED OUT OF THE SILL DURING THE TESTS. CONSEQUENCE OF DEFECT: IF SEAT BELT ANCHIRAGE FAILS, THE SEAT OCCUPANT FACES AN INCREASED RISK OF INJURY IN AN ACCIDENT OR SUDDEN STOP.

FixRELOCATE THE INBOARD SEAT BELT MOUNTING FROM TOP OF THE SILL TO THE FORWARD FLANGE OF THE SILL ON THE CAB FLOOR, AND ADD A 3MM FILLET WELD AROUND THE 2 INBOARD CLINCH NUTS.

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