Model year record

1990 MACK CH

5 recall campaigns on file for this model year. No owner complaints on file.

Recalls

Recall campaignNHTSA 00V019003

Trailer hitches: fifth wheel assembly

Component
Trailer hitches: fifth wheel assembly
Manufacturer
MACK TRUCKS, INCORPORATED
Vehicles affected
90
Reported to NHTSA
2000-05-11
Owners notified
2000-06-22

Defect description

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

Safety risk

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

Manufacturer remedy

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

Recall campaignNHTSA 94V216000

Power train: driveline: center support bearing

Component
Power train: driveline: center support bearing
Manufacturer
MACK TRUCKS, INCORPORATED
Vehicles affected
17,720
Reported to NHTSA
1994-11-01
Owners notified
1995-04-03

Defect description

THE DRIVESHAFT CENTER BEARING SUPPORT BRACKET CAN CRACK AND BREAK.

Safety risk

IF 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.

Manufacturer remedy

DEALERS WILL REPLACE THE CENTER BEARING HANGER BRACKET.

Recall campaignNHTSA 94V032000

Vehicle speed control

Component
Vehicle speed control
Manufacturer
MACK TRUCKS, INCORPORATED
Vehicles affected
39,777
Reported to NHTSA
1994-02-15
Owners notified
1994-05-27

Defect description

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.

Safety risk

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

Manufacturer remedy

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

Recall campaignNHTSA 91V112000

Seat belts: front: anchorage

Component
Seat belts: front: anchorage
Manufacturer
MACK TRUCKS, INCORPORATED
Vehicles affected
4,000
Reported to NHTSA
1991-06-25
Owners notified
1991-10-11

Defect description

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.

Manufacturer remedy

RELOCATE 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.

Recall campaignNHTSA 90V048000

Steering: linkages

Component
Steering: linkages
Manufacturer
MACK TRUCKS, INCORPORATED
Vehicles affected
6,696
Reported to NHTSA
1990-03-12
Owners notified
1990-06-27

Defect description

THE UPPER AND LOWER PINCH BOLT ON THE STEERING PITMAN ARM AND THE LOWER PINCH BOLT CONNECTION ON SHEPHARD POWER GEARS WERE NOT TORQUED CORRECTLY.

Safety risk

PINCH BOLT COULD LOOSEN AND BREAK; THIS COULD CAUSE LOSS OF TRUCK STEERING CONTROL AND RESULT IN A CRASH.

Manufacturer remedy

INSTALL ENGLISH HEX HEAD BOLTS AND FLAT WASHERS; TORQUE PINCH BOLTS TO SPECIFICATIONS.

Owner complaints

A complaint is one person's report to a federal agency. It is not a finding.

No complaints recorded for this model year.

Safety recall repairs are provided free of charge by franchised dealers, regardless of vehicle age or mileage. This page displays aggregated data for the model year. To check recall status for a specific vehicle, search its VIN at nhtsa.gov.