Reliability AnalysisBased on known issue patterns, repair cost data, and ownership trends · How we score

1998 Ford Explorer Reliability ReportKeepScore 62/100 · top failure points · buy or avoid

62/ 100

KeepScore

MODERATE RISK

Grade: D+

A capable SUV, but only for the mechanically inclined or those prepared for predictable, costly repairs.

Full system breakdown + what I would do

Quick Facts · 1998 Ford Explorer

  • Scores 6 points below the strongest nearby year — the 1997 Ford Explorer earns a 68.
  • The system most likely to surface first: 4.0l sohc engine timing chain (critical severity).
  • Has 14 NHTSA recalls on record — the most notable involves the vehicle speed control.

1998 Ford Explorer: Buy or Avoid?

The 1998 Ford Explorer is a value-driven utility vehicle for those who understand its inherent risks. While offering solid V8 power and capability, specific known issues, particularly with the 4.0L SOHC engine and automatic transmission, demand careful pre-purchase inspection and a dedicated repair budget. This is not a 'set it and forget it' vehicle, but it can be a capable workhorse if properly maintained and you avoid certain problematic configurations.

While offering robust utility and an affordable entry price, the 1998 Ford Explorer comes with significant reliability caveats. It's only a worthwhile purchase if you meticulously inspect it for rust and powertrain issues, ideally opting for the more reliable 5.0L V8 engine. Be prepared for consistent maintenance an…

Best Model Years

For the second generation (1995-2001), later model years (2000-2001) generally saw some improvements, but the key is the engine choice. A 1998 5.0L V8 is preferable to a 4.0L SOHC.

Years to Avoid

Any 4.0L SOHC V6 model with unknown maintenance history or audible timing chain noise should be avoided.

Biggest Strengths

  • Rugged body-on-frame construction
  • Optional 5.0L V8 engine durability
  • Abundant and affordable parts availability

1998 Ford Explorer — Known Trouble Spots

The systems that tend to fail first on the 1998 Ford Explorer, with the typical mileage window when each becomes a concern. Detailed repair-cost ranges and exact what-to-check inspection notes are in the full report.

1
4.0L SOHC Engine Timing Chaincritical~60,000-120,000 mi

The overhead cam (SOHC) V6 engine is notorious for timing chain guides/cassettes wearing out, causing severe rattling noises, oil starvation, and eventually catastrophic engine failure if neglected. This is a complex, engine-out repair.

2
Automatic Transmission (5R55E)major~80,000-150,000 mi

The 5R55E automatic transmission is prone to hard shifts, delayed engagements, solenoid failures, and valve body issues, often leading to complete transmission failure. Shift quality degradation is a common precursor.

3
Frame and Body Corrosionmajor~70,000+ mi

Significant rust issues affect the frame, especially in the rear sections, rocker panels, wheel wells, and tailgate. This can compromise structural integrity and make repairs difficult or impossible, particularly in salt-belt regions.

Full repair-cost ranges, fix-before-you-buy notes, and inspection checklists are in the report.

1998 Ford Explorer Mileage Danger Zones

The mileage windows when the 1998 Ford Explorer most commonly needs attention. Plan ahead, budget accordingly, and inspect before you cross each threshold.

30,000

Low Risk Zone

At this mileage, the Explorer should still be relatively trouble-free, assuming basic maintenance has been performed. Early electrical gremlins might appear, but major issues are rare.

60,000

Maintenance Zone

This mileage often marks the start of wear-and-tear items needing attention. Front suspension components (ball joints, tie rods) are likely due for replacement, and the 4.0L SOHC timing chain noise may begin to manifest.

90,000

Elevated Risk Zone

This is where the Explorer's notorious issues often become prominent. Transmission issues are increasingly likely, and rust can become a significant concern. The blend door actuator and fuel pump are also common failures.

120,000+

High Risk Zone

Beyond this point, major system overhauls become increasingly probable. Catastrophic 4.0L SOHC engine failure, full transmission replacement, or severe rust compromising structural integrity are real possibilities. Only well-maintained e…

1998 Ford Explorer Ownership Cost Outlook

What it typically costs to keep the 1998 Ford Explorer on the road. Full 5-year cost-of-ownership projection and major-failure-risk forecast are in the report.

Annual Maintenance

$500-800

Moderate Repairs

$600-1,800 occasionally

How Long Does the 1998 Ford Explorer Last?

For a 1998 Explorer, assume that any vehicle over 100,000 miles will require significant investment soon, unless there's documented evidence of a recent timing chain service (on SOHC models) or transmission rebuild. Lower mileage is always better, but prioritize documented maintenance over mileage alone.

What 1998 Ford Explorer Owners Actually Say

What Owners Love

  • Commanding driving position and good visibility
  • Strong V8 power for towing and acceleration
  • Spacious interior and cargo capacity for its class
  • Capable off-road with appropriate 4x4 options

Common Frustrations

  • Poor fuel economy, especially with the V8
  • Persistent mechanical issues, particularly the SOHC engine and automatic transmission
  • Severe rust concerns in colder climates
  • Dated interior quality and ergonomics

Who Should Buy the 1998 Ford Explorer?

Best For

  • DIY mechanics looking for a project or cheap utility vehicle
  • Second car for hauling or light off-road use
  • Budget-conscious buyers who can perform their own repairs

Not Ideal For

  • First-time vehicle owners
  • Anyone seeking a low-maintenance daily driver

How the 1998 Ford Explorer Compares to Rivals

The Explorer offered good value and features but often lagged behind Japanese rivals in long-term durability. It traded initial affordability and capability for higher maintenance demands later in its life.

More Reliable Than

  • 1998 Dodge Durango (more consistent issues)
  • Early 2000s Chevrolet Blazer (similar issues, less interior refinement)

Comparable To

  • 1998 Jeep Grand Cherokee (different issues, but similar overall reliability)
  • 1998 Nissan Pathfinder (generally better engine, but still prone to rust/transmission)

Safety Recalls on the 1998 Ford Explorer

14 recalls on record from NHTSA. Check your VIN atnhtsa.gov to see if the repair was performed.

VEHICLE SPEED CONTROL

ON CERTAIN TRUCKS EQUIPPED WITH SPEED CONTROL, GASOLINE OR NATURAL GAS ENGINES, THE SPEED CONTROL DEACTIVATION SWITCH MAY OVERHEAT.

EXTERIOR LIGHTING:HEADLIGHTS

DOPE, INC. IS RECALLING 42,540 COMBINATION CORNER AND BUMPER LAMP ASSEMBLIES OF VARIOUS PART NUMBERS SOLD FOR USE AS AFTERMARKET EQUIPMENT FOR VARIOUS PASSENGER VEHICLES. THESE HEADLAMPS FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT." THESE LAMPS DO NOT CONTAIN THE REQUIRED AMBER SIDE REFLECTORS.

What breaks on the 1998 Ford Explorer?

Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.

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Ford Explorer — Year-by-Year Comparison

Compare KeepScores across nearby years of the Ford Explorer. Click any year for its full report.

Competing 1998s Worth a Look

Similar class, similar year range — ranked by KeepScore.

Relevant Products for Your 1998 Ford Explorer

Parts and accessories matched to your 1998 Ford Explorer

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Frequently Asked Questions

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