1998 Jeep Wrangler Engine and Engine Cooling Problems

Source: NHTSA · Updated Feb 2, 2023 · 53 complaints analyzed

Owners have filed 53 complaints with NHTSA about engine and engine cooling problems on the 1998 Jeep Wrangler, 20% of all complaints for this model year. Half of the reports with a mileage happened before 53,000 miles. The words owners use most often: “exhaust manifold” (32% of reports).

What owners describe

Phrases that appear unusually often in these complaints compared with complaints about other cars.

  • Exhaust manifold: mentioned in 17 of 53 complaints (32%)

At what mileage do engine and engine cooling problems happen?

Based on 12 complaints that reported the odometer reading.

Under 10k miles0 · 0%
10k–25k miles0 · 0%
25k–50k miles5 · 42%
50k–75k miles4 · 33%
75k–100k miles3 · 25%
100k–150k miles0 · 0%
150k+ miles0 · 0%

How serious are the reports?

Of 53 complaints, 1 an injury.

Jeep Wrangler engine and engine cooling complaints by model year

Peak: 1997, with 109 complaints
1995: 3219951997: 1091091998: 5319981999: 502000: 1520002001: 212002: 420022003: 62004: 920042005: 222006: 2020062007: 282008: 1120082009: 52010: 1520102011: 62012: 720122013: 42014: 920142015: 42016: 520162017: 12018: 420182019: 52020: 620202021: 42022: 220222023: 2

n = 459 complaints · Source: NHTSA

Model yearEngine and Engine Cooling complaintsShare of that yearMedian miles
2023 Wrangler21%22,357
2022 Wrangler20%3,000
2021 Wrangler40%36,000
2020 Wrangler61%60,000
2019 Wrangler51%61,000
2018 Wrangler40%81,000
2017 Wrangler10%99,000
2016 Wrangler51%65,700
2015 Wrangler41%10,890
2014 Wrangler91%55,000
2013 Wrangler41%51,000
2012 Wrangler71%1,000
2011 Wrangler61%6,000
2010 Wrangler152%19,000
2009 Wrangler51%24,000
2008 Wrangler111%35,000
2007 Wrangler285%27,675
2006 Wrangler203%34,500
2005 Wrangler223%40,000
2004 Wrangler95%400
2003 Wrangler66%15,100
2002 Wrangler44%105,000
2001 Wrangler2112%79,898
2000 Wrangler156%77,500
1999 Wrangler5023%56,500
1998 Wrangler5320%53,000
1997 Wrangler10927%73,000
1995 Wrangler3216%103,000

When owners reported it

Peak: 2001, with 12 complaints
1998: 3199831999: 8199982000: 5200052001: 122001122002: 7200272003: 8200382004: 5200452006: 1200612007: 2200722012: 220122

n = 53 complaints · Source: NHTSA

Related recalls (0)

No safety recall lists engine and engine cooling for the 1998 Jeep Wrangler. A pattern of complaints does not always lead to a recall.

What owners report

Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.

Tl* the contact owns a 1998 jeep wrangler. While parked, the contact heard an abnormal sound from the side of the engine, as if air was escaping through the engine. The vehicle was taken to the dealer for diagnostic testing where the technician stated that the exhaust manifold was fractured and…

Received Feb 21, 2012 · NHTSA complaint 10448812

Tl* the contact owns a 1998 jeep wrangler. While driving approximately 15 mph, the contact heard a loud rattling noise underneath the vehicle. The vehicle was taken to an authorized dealer where the catalytic converter was replaced. Recently, the contact discovered a voluntary recall issued by the…

Received Jan 30, 2012 · NHTSA complaint 10445912

Many problems with this vehicle. Water pump leaked - fixed under warranty, gas tank seal leaked - fixed under warranty, seats ripped - fixed under warranty, suction cup marks on window - fixed under warranty, front stabilizer shock leaked - fixed under warranty, rear window seal leaked - repaired…

Received Sep 26, 2007 · NHTSA complaint 10204168
Jeep Wrangler
Jeep_Wrangler_Rubicon_(JL)_4xe at Retro Classics 2022. Representative photo; appearance varies by model year. Photo: Alexander Migl, CC BY-SA 4.0, via Wikimedia Commons.

Frequently asked questions

Do all 1998 Jeep Wranglers have engine and engine cooling problems?

No. NHTSA has 53 owner complaints about engine and engine cooling for the 1998 Jeep Wrangler (20% of the 265 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.

Was there a recall on the 1998 Jeep Wrangler engine and engine cooling?

No recall currently lists engine and engine cooling for this vehicle.

At what mileage do engine and engine cooling problems start?

The median reported mileage is 53,000 miles: half of the reports with a mileage came before that.

What do owners say about engine and engine cooling problems on the 1998 Jeep Wrangler?

The most frequent phrase is “exhaust manifold”, in 17 of 53 complaints.

Other 1998 Jeep Wrangler problems

See all 1998 Jeep Wrangler problems or engine and engine cooling problems across all Wrangler years.