Model year record

1993 MACK CH

4 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 93V137000

Engine and engine cooling: cooling system: fan

Component
Engine and engine cooling: cooling system: fan
Manufacturer
MACK TRUCKS, INCORPORATED
Vehicles affected
11,000
Reported to NHTSA
1993-08-20
Owners notified
1993-10-01

Defect description

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

Safety risk

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

Manufacturer remedy

AN IMPROVED FAN WILL BE INSTALLED ON THESE VEHICLES.

Recall campaignNHTSA 93V024000

Trailer hitches

Component
Trailer hitches
Manufacturer
MACK TRUCKS, INCORPORATED
Vehicles affected
4,924
Reported to NHTSA
1993-02-16
Owners notified
1993-03-24

Defect description

THE CARRIER YOKE BOLTS WERE MANUFACTURED WITH WORN ROLLING THREAD DIES, CAUSING STRESS CONCENTRATIONS WHICH CAUSED CRACKS DURING THE QUENCHING PROCESS.

Safety risk

THIS CONDITION CAN CAUSE BOLT FAILURE AND ALLOW THEDRIVELINE TO SEPARATE FROM THE CARRIER ASSEMBLY.

Manufacturer remedy

REPLACE THE CARRIER YOKE BOLTS.

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.