1999 Jeep Wrangler Engine and Engine Cooling Problems
Owners have filed 50 complaints with NHTSA about engine and engine cooling problems on the 1999 Jeep Wrangler, 23% of all complaints for this model year. Half of the reports with a mileage happened before 56,500 miles. The words owners use most often: “exhaust manifold” (50% of reports).
- 50engine and engine cooling complaints
- 56,500median miles at failure
- 2mention a crash
- 1mention an injury
- 0related recalls
- $1,250typical repair cost reported by owners
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Exhaust manifold: mentioned in 25 of 50 complaints (50%)
How much does it cost to fix?
Owners who wrote down what they paid or were quoted put the typical engine and engine cooling repair on the 1999 Jeep Wrangler at $1,250, and half of them between $850 and $1,300.
Based on 5 NHTSA complaints about this problem alone that state a repair bill or quote (2002–2005), converted to 2026 dollars with the U.S. consumer price index. These are owners' own figures, not a quote: they include dealer quotes, and owners who file complaints often faced larger repairs, so they can run higher than typical shop prices. Prices vary by shop, region and warranty coverage. How we calculate this.
At what mileage do engine and engine cooling problems happen?
Based on 30 complaints that reported the odometer reading.
How serious are the reports?
Of 50 complaints, 2 mention a crash, 1 a fire, 1 an injury.
Jeep Wrangler engine and engine cooling complaints by model year
| Model year | Engine and Engine Cooling complaints | Share of that year | Median miles |
|---|---|---|---|
| 2023 Wrangler | 2 | 1% | 22,357 |
| 2022 Wrangler | 2 | 0% | 3,000 |
| 2021 Wrangler | 4 | 0% | 36,000 |
| 2020 Wrangler | 6 | 1% | 60,000 |
| 2019 Wrangler | 5 | 1% | 61,000 |
| 2018 Wrangler | 4 | 0% | 81,000 |
| 2017 Wrangler | 1 | 0% | 99,000 |
| 2016 Wrangler | 6 | 1% | 67,959 |
| 2015 Wrangler | 4 | 1% | 10,890 |
| 2014 Wrangler | 9 | 1% | 55,000 |
| 2013 Wrangler | 4 | 1% | 51,000 |
| 2012 Wrangler | 7 | 1% | 1,000 |
| 2011 Wrangler | 6 | 1% | 6,000 |
| 2010 Wrangler | 15 | 2% | 19,000 |
| 2009 Wrangler | 5 | 1% | 24,000 |
| 2008 Wrangler | 11 | 1% | 35,000 |
| 2007 Wrangler | 28 | 5% | 27,675 |
| 2006 Wrangler | 20 | 3% | 34,500 |
| 2005 Wrangler | 22 | 3% | 40,000 |
| 2004 Wrangler | 9 | 5% | 400 |
| 2003 Wrangler | 6 | 6% | 15,100 |
| 2002 Wrangler | 4 | 4% | 105,000 |
| 2001 Wrangler | 21 | 12% | 79,898 |
| 2000 Wrangler | 15 | 6% | 77,500 |
| 1999 Wrangler | 50 | 23% | 56,500 |
| 1998 Wrangler | 53 | 20% | 53,000 |
| 1997 Wrangler | 109 | 27% | 73,000 |
| 1995 Wrangler | 32 | 16% | 103,000 |
When owners reported it
Related recalls (0)
No safety recall lists engine and engine cooling for the 1999 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.
1999 jeep wrangler. Consumer writes in regards to vehicle being a lemon *tgw the consumer stated she was told the vehicle was new. But, in fact it was defective and had to be repaired several times. The consumer was involved in an accident where she suffered a neck injury. *jb
Exhaust manifold failure. *tr
Radiator made with plastic which leaks at the top where the plastic is crimped to the metal core. This is an inevitable problem on all jeep (chrysler products) made with radiators manufactured using plastic causing leakage before the life expectancy of the radiator is reached. In some cases…
Frequently asked questions
Do all 1999 Jeep Wranglers have engine and engine cooling problems?
No. NHTSA has 50 owner complaints about engine and engine cooling for the 1999 Jeep Wrangler (23% of the 213 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 1999 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 56,500 miles: half of the reports with a mileage came before that.
How much does it cost to fix engine and engine cooling problems on the 1999 Jeep Wrangler?
Owners report a typical cost of $1,250 (half paid between $850 and $1,300), from 5 complaints that state a repair bill or quote, in 2026 dollars.
What do owners say about engine and engine cooling problems on the 1999 Jeep Wrangler?
The most frequent phrase is “exhaust manifold”, in 25 of 50 complaints.
Other 1999 Jeep Wrangler problems
See all 1999 Jeep Wrangler problems or engine and engine cooling problems across all Wrangler years.