What is the 2000-2010 Ford Explorer Cruise Control Deactivation Switch Brake Fluid Leak and Underhood Fire Risk?

Many Ford vehicles of this era, including the Explorer, were subject to recalls for the speed control deactivation switch mounted on the brake master cylinder. The switch can leak brake fluid internally, overheat, and in some cases cause an underhood fire even when the vehicle is… Repairs typically run $0-$250. Severity: high.

What is the 2000-2010 Ford Explorer Timing Chain Cassette and Guide Failure on 4.0L SOHC V6?

The 4.0L SOHC Cologne V6 is notorious for timing chain guide and cassette failures, especially the rear cassette that is difficult to access with the engine installed. Plastic guide material breaks down over time, causing startup rattle, persistent chain noise, cam timing errors,… Repairs typically run $1,800-$4,500. Severity: high.

What is the 2002-2010 Ford Explorer Rear Wheel Bearing and Hub Failure Causing Growling Noise and ABS Concerns?

Rear wheel bearing and hub assemblies are a frequent wear/failure item on independent rear suspension Explorers from this period. Owners commonly report a humming or growling noise that increases with road speed and can be mistaken for tire noise or differential problems. In some… Repairs typically run $250-$700. Severity: medium.

What is the 2002-2010 Ford Explorer Front Upper Ball Joint Wear Causing Clunk, Steering Wander and Uneven Tire Wear?

The independent front suspension on the 2002-2010 Explorer/Mountaineer uses upper control arms with pressed-in ball joints that wear out relatively early. Worn upper (and lower) ball joints produce a clunk over bumps, vague/loose steering, and cupped or inner-edge tire wear. On t… Repairs typically run $250-$750. Severity: medium.

What is the 2006-2010 Ford Explorer Front Lower Ball Joint and Control Arm Wear Causing Clunk and Loose Steering?

The fourth-generation (U251) Explorer commonly develops front lower ball joint and control-arm-bushing wear, producing a clunk or pop over bumps and during low-speed (parking-lot) maneuvers, along with vague steering and uneven tire wear. The ball joint is integrated into the low… Repairs typically run $150-$700. Severity: medium.

What is the 2002-2010 Ford Explorer Interior and Exterior Door Handle Breakage Causing Doors That Won't Open?

The 2002-2010 Explorer/Mountaineer/Sport Trac door handles use brittle plastic pivot pieces in the latch/handle mechanism. The exterior handle typically cracks first and jams the linkage, then the interior handle snaps when forced. Owners are eventually left with doors that won't… Repairs typically run $40-$300. Severity: low.

What is the 1995-2010 Ford Explorer Power Window Regulator Cable/Clip Failure Causing Window to Fall Into the Door?

The cable-drive window regulators on the Explorer/Mountaineer/Sport Trac fail as their plastic cable guides crack and the steel lift cable frays or jumps off the drum. The window then binds, drops crooked, or falls down inside the door — the motor often still runs. The front door… Repairs typically run $120-$400. Severity: low.

Ford · Known Issues

2006 Ford Explorer Problems: 10 Known Issues

2006 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated September 2026

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According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2006 Ford Explorer has 10 documented known issues, with 5 rated critical. The most serious are Internal Radiator Transmission Cooler Rupture Causing Coolant/ATF Cross-Contamination ('Pink Milkshake') ($400-$3,500 repair), 5R55W/5R55S Transmission Servo Bore Wear Causing Flare, Slip, and Delayed Reverse ($900-$3,500 repair), Cruise Control Deactivation Switch Brake Fluid Leak and Underhood Fire Risk ($0-$250 repair), Throttle Body Failure on 4.6L V8 Causing Wrench Light, Limp Mode, and Sudden Loss of Power ($350-$900 repair) and Timing Chain Cassette and Guide Failure on 4.0L SOHC V6 ($1,800-$4,500 repair). Across all issues with published estimates, repair costs range from $40 to $4,500. DIY maintenance guides at au7o.io.

Frequently Asked Questions

What are the most common Ford Explorer problems?

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2006 Ford Explorer has 10 documented issues. The most frequently reported are: Internal Radiator Transmission Cooler Rupture Causing Coolant/ATF Cross-Contamination ('Pink Milkshake'), 5R55W/5R55S Transmission Servo Bore Wear Causing Flare, Slip, and Delayed Reverse, Cruise Control Deactivation Switch Brake Fluid Leak and Underhood Fire Risk. Of these, 5 are rated critical and should be addressed promptly.

Is the Ford Explorer reliable?

The 2006 Ford Explorer has 10 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 5 issues are rated critical: Internal Radiator Transmission Cooler Rupture Causing Coolant/ATF Cross-Contamination ('Pink Milkshake') and 5R55W/5R55S Transmission Servo Bore Wear Causing Flare, Slip, and Delayed Reverse and Cruise Control Deactivation Switch Brake Fluid Leak and Underhood Fire Risk and Throttle Body Failure on 4.6L V8 Causing Wrench Light, Limp Mode, and Sudden Loss of Power and Timing Chain Cassette and Guide Failure on 4.0L SOHC V6. 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 Explorer problems?

Repair costs for known Ford Explorer issues range from $0 to $4,500, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Internal Radiator Transmission Cooler Rupture Causing Coolant/ATF Cross-Contamination ('Pink Milkshake'), typically costs $400-$3,500 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 2002-2006 Ford Explorer Internal Radiator Transmission Cooler Rupture Causing Coolant/ATF Cross-Contamination ('Pink Milkshake')?

The factory radiator integrates the automatic transmission fluid cooler in an internal tank inside one end of the radiator. Over time the barrier between the coolant side and the ATF side cracks or the internal fittings leak, letting the two fluids mix. Coolant pushed into the tr… Repairs typically run $400-$3,500. Severity: high.

All 10 Known Issues

Other Ford Models

Frequently Asked Questions

What are the most common Ford Explorer problems?

Is the Ford Explorer reliable?

How much does it cost to fix common Ford Explorer problems?

What is the 2002-2006 Ford Explorer Internal Radiator Transmission Cooler Rupture Causing Coolant/ATF Cross-Contamination ('Pink Milkshake')?

When Issues Typically Appear

2006-2010 Ford Explorer: Throttle Body Failure on 4.6L V8 Causing Wrench Light, Limp Mode, and Sudden Loss of Power#

2000-2010 Ford Explorer: Timing Chain Cassette and Guide Failure on 4.0L SOHC V6#

2002-2006 Ford Explorer: Internal Radiator Transmission Cooler Rupture Causing Coolant/ATF Cross-Contamination ('Pink Milkshake')#

2002-2010 Ford Explorer: 5R55W/5R55S Transmission Servo Bore Wear Causing Flare, Slip, and Delayed Reverse#

2000-2010 Ford Explorer: Cruise Control Deactivation Switch Brake Fluid Leak and Underhood Fire Risk#

2002-2010 Ford Explorer: Front Upper Ball Joint Wear Causing Clunk, Steering Wander and Uneven Tire Wear#

2006-2010 Ford Explorer: Front Lower Ball Joint and Control Arm Wear Causing Clunk and Loose Steering#

2002-2010 Ford Explorer: Rear Wheel Bearing and Hub Failure Causing Growling Noise and ABS Concerns#

2002-2010 Ford Explorer: Interior and Exterior Door Handle Breakage Causing Doors That Won't Open#

1995-2010 Ford Explorer: Power Window Regulator Cable/Clip Failure Causing Window to Fall Into the Door#

What is the 2002-2010 Ford Explorer 5R55W/5R55S Transmission Servo Bore Wear Causing Flare, Slip, and Delayed Reverse?