1991 MACK FDM — Problems, Recalls & Safety Data
N/A
Safety Rating
0
Owner Complaints
3
Recalls
0
Service Bulletins
0
Investigations
Overview of the 1991 MACK FDM
The 1991 MACK FDM has received a total of 0 safety complaints filed with the National Highway Traffic Safety Administration (NHTSA). There have been 3 recall campaigns affecting this vehicle, covering issues with VEHICLE SPEED CONTROL, POWER TRAIN:DRIVELINE, ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN.
Recalls for the 1991 MACK FDM
NHTSA has recorded 3 recalls for the 1991 MACK FDM, potentially affecting up to 50,907 vehicles.
Recall 94V032000 — VEHICLE SPEED CONTROL
| 39,777 vehicles affected
Defect: 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.
Consequence: IN THE EVENT THE PRIMARY THROTTLE RETURN FAILS, FAILURE OF THE SECONDARY THROTTLE RETURN SYSTEM WOULD NOT PROVIDE PROTECTION AGAINST LOSS OF THROTTLE CONTROL.
Remedy: A NEW PRODUCTION SECONDARY THROTTLE RETURN SYSTEM CONFIGURATION WILL BE INSTALLED.
View full details →Recall 93V176000 — POWER TRAIN:DRIVELINE
| 130 vehicles affected
Defect: THE DRIVESHAFT TO THE FRONT DRIVING AXLE IS SECURED TO A BRACKET USING TWO PILLOW BLOCKS. THESE BLOCKS ARE OF INSUFFICIENT STRENGTH TO SUPPORT THE DRIVESHAFT AND COULD FAIL.
Consequence: PILLOW BLOCK FAILURE ALLOWS THE DRIVELINE (JACKSHAFT)TO DROP DOWN ONTO THE ROADWAY AND CREATE A SAFETY HAZARD TO OTHER VEHICLES.
Remedy: MACK WILL INSTALL THICKER PILLOW BLOCKS AND SUPPORT U-BOLTS.
View full details →Recall 93V137000 — ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
| 11,000 vehicles affected
Defect: THE ENGINE COOLING FAN BLADES MAY BREAK DUE TO INADEQUATE BLADE STRENGTH AROUND THE RIVETS THAT ATTACH THE BLADES TO THE FAN SPIDER.
Consequence: IF COMPLETE FRACTURE OF THE FAN BLADE OCCURS, IT COULDBE PROPELLED OUTSIDE THE FAN SHROUD, INJURING PERSON(S) IN THE VICINITY OFTHE TRUCK.
Remedy: AN IMPROVED FAN WILL BE INSTALLED ON THESE VEHICLES.
View full details →Owner Complaints for the 1991 MACK FDM
No complaints have been filed with NHTSA for the 1991 MACK FDM.
Safety Rating for the 1991 MACK FDM
NHTSA has not yet tested the 1991 MACK FDM in its New Car Assessment Program.
Technical Service Bulletins for the 1991 MACK FDM
No technical service bulletins have been reported for this vehicle.
NHTSA Investigations for the 1991 MACK FDM
There are no NHTSA defect investigations on record for this vehicle.
Other Model Years of the MACK FDM
- 1987 MACK FDM — 0 complaints
- 1988 MACK FDM — 0 complaints
- 1989 MACK FDM — 0 complaints
- 1990 MACK FDM — 0 complaints
- 1991 MACK FDM (current)
- 1992 MACK FDM — 0 complaints
- 1993 MACK FDM — 0 complaints
- 1996 MACK FDM — 0 complaints
Other MACK Models
- MACK MACK — 35 total complaints
- MACK ANTHEM (AN) — 12 total complaints
- MACK CXU612 — 12 total complaints
- MACK CX613 — 10 total complaints
- MACK GRANITE (GR) — 10 total complaints
- MACK CH600 — 9 total complaints
- MACK GU — 9 total complaints
- MACK RD — 8 total complaints