2006 Ford F-250 Super Duty Problems: 2 Issues Every Owner Should Know

2006 Ford F-250 Super Duty Problems: 2 Issues Every Owner Should Know | Au7o

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On the 2003-2007 Ford F-250 Super Duty 6.0L Powerstroke, the 6.0L Powerstroke diesel in 2003-2007 F-250s is infamous for EGR cooler failure. The cooler develops internal cracks that allow exhaust gas to enter the cooling system and coolant to enter the exhaust. This produces white smoke from the exhaust, coolant loss, and can cause hydrolocking if coolant enters the cylinders. The EGR cooler failure is often caused by clogged oil coolers that prevent proper coolant flow. This is arguably the most well-known diesel engine defect in Ford history.

This issue also affects: GMC Sierra 3500HD, Lincoln MKX, Lincoln MKZ

Common Symptoms

White smoke from exhaust
Coolant loss without external leak
Engine overheating
Coolant in degas bottle is oily or discolored
Rough idle when cold
Loss of heat from cabin heater

How to Fix

Replace the EGR cooler with an upgraded aftermarket unit (Bullet Proof Diesel or Sinister Diesel make improved versions, $300-500). Simultaneously replace the oil cooler ($200-400) as a clogged oil cooler causes the EGR cooler to fail. Many owners delete the EGR system entirely with a tune (not legal in all states). Total repair: $1,500-3,500 at a diesel shop. The "Bulletproof" upgrade package addressing all common failure points costs $3,000-5,000.

What Owners Are Using

Parts and tips from 0+ owners who fixed this issue

Tip
UpgradePremium radiator provides improved cooling capacity (Mishimoto Aluminum Radiator)
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UpgradePre-mixed coolant ready for top-off or full flush (Prestone Extended Life Antifreeze Coolant)
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Typical repair cost:$1,500 - $5,000

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Community Reported

High Confidence0 reportsLast reported by owners Invalid DateReviewed Invalid Date

On the 1999-2025 Ford F-250 Super Duty, the factory steering damper on the F-250 Super Duty wears out and fails, leading to increased steering shimmy, vibration at highway speeds, and reduced ability to dampen road imperfections. The single factory damper is often inadequate for the weight and solid front axle of the Super Duty. A worn damper does not cause death wobble directly but removes the last line of defense against oscillation. Most factory dampers are worn out by 50,000-80,000 miles.

This issue also affects: Chevrolet Silverado 2500HD

Common Symptoms

Shimmy or vibration at highway speeds
Steering feels loose over bumps
Front end wanders on rough roads
Visible oil leaking from damper
Increased effort to keep truck centered in lane

How to Fix

Replace the steering damper with a heavy-duty aftermarket unit. Fox 2.0 ($150-250), Bilstein 5100 ($100-150), or Rancho RS9000XL ($100-150) are popular upgrades. Some owners install dual steering damper kits ($200-400) for additional stability. Installation is a simple bolt-on job taking 30-60 minutes. Replace the damper every 50,000-60,000 miles as preventive maintenance.

What Owners Are Using

Parts and tips from 0+ owners who fixed this issue

Tip
UpgradeMoog tie rod end — premium chassis component for steering repair (Moog Tie Rod End)
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UpgradePrestone power steering fluid for system top-off and service (Prestone Power Steering Fluid)
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Typical repair cost:$100 - $400

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Community Reported

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Frequently Asked Questions

What are the most common Ford F-250 Super Duty problems?

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2006-2006 Ford F-250 Super Duty has 2 documented issues. The most frequently reported are: 6.0L Powerstroke EGR Cooler Rupture and Coolant Leak, Steering Damper Failure and Shimmy. Of these, 1 is rated critical and should be addressed promptly.

Is the Ford F-250 Super Duty reliable?

The 2006-2006 Ford F-250 Super Duty has 2 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 1 issue is rated critical: 6.0L Powerstroke EGR Cooler Rupture and Coolant Leak. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common Ford F-250 Super Duty problems?

Repair costs for known Ford F-250 Super Duty issues range from $100 to $5,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, 6.0L Powerstroke EGR Cooler Rupture and Coolant Leak, typically costs $1,500-$5,000 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 2003-2007 Ford F-250 Super Duty 6.0L Powerstroke EGR Cooler Rupture and Coolant Leak?

The 6.0L Powerstroke diesel in 2003-2007 F-250s is infamous for EGR cooler failure. The cooler develops internal cracks that allow exhaust gas to enter the cooling system and coolant to enter the exhaust. This produces white smoke from the exhaust, coolant loss, and can cause hyd… Repairs typically run $1,500-$5,000. Severity: high.

What is the 1999-2025 Ford F-250 Super Duty Steering Damper Failure and Shimmy?

The factory steering damper on the F-250 Super Duty wears out and fails, leading to increased steering shimmy, vibration at highway speeds, and reduced ability to dampen road imperfections. The single factory damper is often inadequate for the weight and solid front axle of the S… Repairs typically run $100-$400. Severity: low.

2006 Ford F-250 Super Duty Problems: 2 Issues Every Owner Should Know

All 2 Known Issues

2003-2007 Ford F-250 Super Duty: 6.0L Powerstroke EGR Cooler Rupture and Coolant Leak#

Common Symptoms

How to Fix

What Owners Are Using

Research This Issue

1999-2025 Ford F-250 Super Duty: Steering Damper Failure and Shimmy#

Common Symptoms

How to Fix

What Owners Are Using

Research This Issue

Other Ford Models

Frequently Asked Questions

What are the most common Ford F-250 Super Duty problems?

Is the Ford F-250 Super Duty reliable?

How much does it cost to fix common Ford F-250 Super Duty problems?

What is the 2003-2007 Ford F-250 Super Duty 6.0L Powerstroke EGR Cooler Rupture and Coolant Leak?

What is the 1999-2025 Ford F-250 Super Duty Steering Damper Failure and Shimmy?