1991 Ford F-450 sd problems

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The Ford Super Duty (also known as the Ford F-Series Super Duty) is a series of heavy-duty pickup trucks produced by the Ford Motor Company since the 1999 model year. Slotted above the consumer-oriented Ford F-150, the Super Duty trucks are an expansion of the Ford F-Series range, from F-250 to the F-600. The F-250 through F-450 are offered as pickup trucks, while the F-350 through F-600 are offered as chassis cabs.

Rather than adapting the lighter-duty F-150 truck for heavier use, Super Duty trucks have been designed as a dedicated variant of the Ford F-Series. The heavier-duty chassis components allow for heavier payloads and towing capabilities. With a GVWR over 8,500 lb (3,900 kg), Super Duty pickups are Class 2 and 3 trucks, while chassis-cab trucks are offered in Classes 3, 4, 5, and 6. The model line also offers Ford Power Stroke V8 diesel engines as an option.

Ford also offers a medium-duty version of the F-Series (F-650 and F-750), which is sometimes branded as the Super Duty, but is another chassis variant. The Super Duty pickup truck also served as the basis for the Ford Excursion full-sized SUV.

The Super Duty trucks and chassis-cabs are assembled at the Kentucky Truck Plant in Louisville, Kentucky, and at Ohio Assembly in Avon Lake, Ohio. Prior to 2016, medium-duty trucks were assembled in Mexico under the Blue Diamond Truck joint venture with Navistar International.

1991 Ford F-450 sd

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Common 1991 Ford F-450 sd problems

The 1991 Ford F-450 Super Duty (SD) is a heavy-duty pickup truck known for its power and durability. However, like any vehicle, it has faced a number of common problems over the years, based on complaints from owners.

One of the most common problems with the 1991 Ford F-450 SD is related to the brakes.

Another common problem with the 1991 Ford F-450 SD is related to the transmission.

The 1991 Ford F-450 SD has also faced problems with the front wheel bearing hubs.

In addition to these specific problems, the 1991 Ford F-450 SD has faced a range of other issues, including problems with the electrical system, fuel system, lighting, tires, engine, seats, transmission, structure, air bags, steering, visibility, doors, and frame. These issues have been the subject of multiple recalls and complaints, indicating a need for ongoing maintenance and repair.

In conclusion, while the 1991 Ford F-450 SD is a powerful and durable vehicle, it has faced a number of common problems over the years, including issues with the brakes, transmission, front wheel bearing hubs, and other systems. Owners of this model should be aware of these issues and take steps to maintain and repair their vehicles as needed.

1991 Ford F-450 sd engine

What year Ford f450 is best?

The Best Model Years to Buy a Ford F-450 Super Duty

With the 2022, you would only pay, on average, 100% of the price as new, with 100% of the vehicle's useful life remaining. The 2021 and 2019 model years are also attractive years for the F-450 Super Duty, and provide a relatively good value.

What does Ford SD mean?

The Ford Super Duty (also known as the Ford F-Series Super Duty) is a series of heavy-duty pickup trucks produced by the Ford Motor Company since the 1999 model year.

What is the difference between 450 and 550 Ford?

Conventional Towing Capacity: The F-450 Chassis Cab can tow up to 17,500 pounds conventionally, while the F-550 can tow up to 18,500 pounds with a standard hitch. That's right: the F-550 towing capacity gives you a slight edge from the start.

What is a Ford f350 SD?

2024 Ford F-350 Super Duty Review

This is the F-Series Super Duty truck to get when you need serious towing and hauling capability. An F-350 crew cab with four-wheel drive, the dual rear-wheel setup and the high-output diesel engine is rated to tow up to 28,000 pounds with a conventional trailer hitch, for example.

What year Ford f450 is best?

The Best Model Years to Buy a Ford F-450 Super Duty

With the 2022, you would only pay, on average, 100% of the price as new, with 100% of the vehicle's useful life remaining. The 2021 and 2019 model years are also attractive years for the F-450 Super Duty, and provide a relatively good value.

What does Ford SD mean?

The Ford Super Duty (also known as the Ford F-Series Super Duty) is a series of heavy-duty pickup trucks produced by the Ford Motor Company since the 1999 model year.

What is SD on Ford truck?

2024 Ford Super Duty® Truck | Available Models | Ford.com.

What is the fuel consumption of the Ford F-450 Super Duty?

Fuel Efficiency

Even though the EPA doesn't test it, we know that it is a gas guzzler of note. Some real-world figures have been reported by owners, though, which tell us you can expect the Ford F-450 Super Duty to get around 11-12 mpg combined.

1991 Ford F-450 sd car problems categorized by type of issue

After analyzing all complaints sent to the NHTSA and researching popular Ford F-450 sd problems, we found that the most common problems with these 2023 model year vehicles are:

  • Engine and engine cooling problems
  • Power train problems
  • Electrical system problems
  • Steering problems
  • Tires problems

The graph below shows statistics for all 1991 Ford F-450 sd vehicle components and the number of complaints received.

1991 Ford F-450 sd complaints

The NHTSA has received 16 complaints about various vehicle components related to the 1991 Ford F-450 sd.

2001-02-15

TIRES PROBLEM

  • Date Of Incident: 1995-04-01
  • VIN: 2FDLF47M4MC
  • Components: TIRES
  • Summary: PE00 020; CONSUMER WAS TRAVELING ABOUT 65MPH ON HIGHWAY AND FELT A TREMBLE.RIGHT REAR TIRE EXPLODED. HE WAS ABLE TO PULL OVER TO SHOULDER. FIRESTONE TIRE DOT VDOR1WTWT471. *AK
2000-07-14

ENGINE AND ENGINE COOLING,POWER TRAIN PROBLEM

  • Date Of Incident: 1996-12-19
  • VIN: 2FDLF47M5MC
  • Components: ENGINE AND ENGINE COOLING,POWER TRAIN
  • Summary: CONSUMER HAS HAD SEVERAL PROBLEMS WITH VEHICLE. REAR AXLE/FLYWHEEL AND CLUTCH PRESSURE PLATES HAVE ALL BEEN REPLACED 3 TIMES EACH. DEALER SAYS IT DOESN'T SEEM TO BE A NATION WIDE PROBLEM, BUT ADMITTS THERE IS A PROBLEM WITH THE VEHICLE.*AK
1998-06-29

ENGINE AND ENGINE COOLING PROBLEM

  • Date Of Incident: 1996-06-21
  • VIN: PLEASE FILL
  • Components: ENGINE AND ENGINE COOLING
  • Summary: ENGINE STARTED SMOKING, BUT NOT OVERHEATING. MIXING OIL & ANTIFREEZE DUE TO PINHOLE IN ENGINE BLOCK. TOOK TO DEALER ('96) & RE-MANUFACTURED ENGINE (NOT NEW) WAS PUT IN. PROBLEM TEMPORARILY SOLVED. HAS NOW REOCCURRED. MANUFACTURER SAID PINHOLE PROBLEM FIXED. *AK
1997-01-10

ELECTRICAL SYSTEM PROBLEM

  • Date Of Incident: 1994-06-01
  • Components: ELECTRICAL SYSTEM
  • Summary: ELECTRICAL SHORT IN THE WIRING HARNESS, CAUSING THE WIRING HARNESS TO MELT AND A ELECTRICALFAILURE IN THE HEADLIGHTS, THE HEADLIGHTS WILL NOT STAY ILLUMINATED. CONSUMER HAS REPLACED THE HEADLIGHT SWITCH ON TWO OCCASION. *AK
1996-10-22

ENGINE AND ENGINE COOLING PROBLEM

  • Date Of Incident: 1996-10-15
  • VIN: 2FDLF47G2MC
  • Components: ENGINE AND ENGINE COOLING
  • Summary: CATALYTIC CONVERTER FAILURE.
1996-10-22

ENGINE AND ENGINE COOLING PROBLEM

  • Date Of Incident: 1996-10-14
  • VIN: 2FDLF47G2MC
  • Components: ENGINE AND ENGINE COOLING
  • Summary: EXHAUST GASKETS REPLACED.
1996-10-22

ENGINE AND ENGINE COOLING PROBLEM

  • Date Of Incident: 1994-11-01
  • VIN: 2FDLF47G2MC
  • Components: ENGINE AND ENGINE COOLING
  • Summary: EXHAUST MANIFOLD WARPED.
1996-10-22

ENGINE AND ENGINE COOLING PROBLEM

  • Date Of Incident: 1995-10-26
  • VIN: 2FDLF47G2MC
  • Components: ENGINE AND ENGINE COOLING
  • Summary: FAN CLUTCH REPLACED.
1996-10-22

STEERING PROBLEM

  • Date Of Incident: 1996-03-04
  • VIN: 2FDLF47G2MC
  • Components: STEERING
  • Summary: POWER STEERING PUMP FAILED.
1996-10-22

ELECTRICAL SYSTEM PROBLEM

  • Date Of Incident: 1996-05-15
  • VIN: 2FDLF47G2MC
  • Components: ELECTRICAL SYSTEM
  • Summary: ALTERNATOR FAILED.
1996-10-22

POWER TRAIN PROBLEM

  • Date Of Incident: 1996-05-08
  • VIN: 2FDLF47G2MC
  • Components: POWER TRAIN
  • Summary: POTENTIOMETER FAILURE.
1996-10-22

POWER TRAIN PROBLEM

  • Date Of Incident: 1996-05-23
  • VIN: 2FDLF47G2MC
  • Components: POWER TRAIN
  • Summary: CLUTCH CYLINDER REPLACED.
1996-10-22

ELECTRICAL SYSTEM PROBLEM

  • Date Of Incident: 1995-07-26
  • VIN: 2FDLF47G2MC
  • Components: ELECTRICAL SYSTEM
  • Summary: STARTER MOTOR REPLACED.
1996-10-22

STEERING PROBLEM

  • Date Of Incident: 1995-07-26
  • VIN: 2FDLF47G2MC
  • Components: STEERING
  • Summary: BELT TENSIONER REPLACED.
1995-01-04

ENGINE AND ENGINE COOLING PROBLEM

  • Date Of Incident: 1994-12-01
  • VIN: 2FDLF47M9MC
  • Components: ENGINE AND ENGINE COOLING
  • Summary: 1990-91 DIESEL ENGINE DRIVE BELTS BREAK AND VEHICLE LOST CONTROL. TT
1995-01-04

SEATS PROBLEM

  • Date Of Incident: 1994-12-01
  • VIN: 2FDLF47M9MC
  • Components: SEATS
  • Summary: SEAT FRAME BREAKS. TT

1991 Ford F-450 sd recalls

The National Highway Traffic Safety Administration (NHTSA) has issued 1 recalls for different components of the 1991 Ford F-450 sd.

2001-05-22
  • Manufacturer: FORD MOTOR COMPANY
  • Components: TIRES:TREAD/BELT
  • Summary: THIS IS NOT A SAFETY RECALL IN ACCORDANCE WITH THE SAFETY ACT. HOWEVER, IT IS DEEMED A SAFETY IMPROVEMENT CAMPAIGN BY THE AGENCY. EQUIPMENT DESCRIPTION: FORD IS REPLACING ALL FIRESTONE WILDERNESS AT 15, 16, AND 17 INCH TIRES MOUNTED ON FORD TRUCKS AND SUVS. FORD REPORTS TREAD SEPARATION CAN OCCUR DUE TO A COMBINATION OF THE SENSITIVITY OF THE TIRE DESIGN TO STRESS, AGING, AND MANUFACTURING DIFFERENCES BETWEEN PLANTS. FORD IS REPLACING THESE TIRES TO PREVENT POSSIBLE PREMATURE TIRE FAILURE. VEHICLE DESCRIPTION: THE VEHICLES LISTED BELOW MAY HAVE BEEN ORIGINALLY EQUIPPED WITH FIRESTONE WILDERNESS AT TIRES OR MAY HAVE HAD WILDERNESS AT TIRES INSTALLED DURING THE FIRESTONE RECALL LAUNCHED IN AUGUST 2000. CERTAIN 1991 THROUGHT 2002 FORD EXPLORER CERTAIN 2001 THROUGHT 2002 EXPLORER SPORT, AND SPORT TRAC CERTAIN 1997 THROUGH 2002 MERCURY MOUNTAINEER CERTAIN 1991 THROUGH 2001 RANGER CERTAIN 1999 THROUGH 2001 EXPEDITION CERTAIN 1991 THROUGH 1994, AND 1997 MODEL YEAR F-SERIES CERTAIN 1991 THROUGH 1994 BRONCO NOTE: BOTH ORIGINAL EQUIPMENT AND REPLACEMENT TIRES ARE AFFECTED.
  • Consequence: SHOULD THE TREAD SEPARATE AT HIGHWAY SPEEDS, A VEHICLE CRASH COULD OCCUR, POSSIBLY RESULTING IN PERSONAL INJURY OR DEATH.
  • Remedy: THE REPLACEMENT/REIMBURSEMENT PROGRAM FOR THIS CAMPAIGN EXPIRED ON MARCH 31, 2002. HOWEVER, CUSTOMERS CAN CONTACT FORD AT 1-877-917-3673 OR GO ON-LINE TO WWW.FORD.COM FOR POSSIBLE ASSISTANCE.
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Additional sources

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Other years of Ford F-450 sd

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