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Engine coolingPart report

2004 Jeep Wrangler Engine cooling Problems

Complaints
9about this part
Share
5%of 192 total for the year
Median mileage
400miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 9 complaints about the engine cooling of the 2004 Jeep Wrangler, 5% of the 192 complaints for this model year. Where a mileage was given, the median is 400 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“While trying to use the AC on my 2004 Jeep Wrangler , it was overheating. I took to a dealership service dept.they said it was the clutch fan.replaced under warranty and told me it worked fine after being test driven and verified. I drove the next day,could not use the air because as soon as the motor warmed up it overheated to 260. I shut it down and had it towed back to same dealership(3rd time). Told them to check thermostat waterpump etcc.. Explained that I can't even drive it now for overheating. …”

NHTSA complaint #10127639, filed 2005-07, 23,999 miles

“Just started with power loss from show room floor,cam replaced lifters replaced breaks sticking to the point where the Jeep is hard to move says it is because of rust used dayly,timing out 15 degrees front and rear dif leaking with metal shavings inside mechanic says dana problem grinding right front axel noise.”

NHTSA complaint #10107655, filed 2005-01, 10 miles

“Hard starting and stalling. The vehicle will crank and crank and will start sometimes or you must turn the key off and try to restart, and will start the second time, but usually runs poorly for a few seconds. Will sometimes stall when puttin into gear. Dealer has changed fuel pump and put a shield over one of the fuel injectors. Still having the hard starting problem.”

NHTSA complaint #10102110, filed 2004-12, 250 miles

“Dt: the contact stated car shut down at slow speeds. He owns a 2004 Jeep Wrangler unlimited. Has been having this problem since 3-05. There were 4,000 miles on the car when it first shut down. The car did not make any noise before this happened. No lights came on. The dealership could duplicate the problem. The dealership has talked to the manufacturer. The dealership put a brand new computer and a new throttle body, but the problem recurred.”

NHTSA complaint #10138158, filed 2005-09, 3,000 miles

“While driving 70 MPH the engine stalled without warning. As a result the vehicle lost all power. The failures caused the consumer to pull off of the highway without the use of power steering.”

NHTSA complaint #10083511, filed 2004-08, 300 miles

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
202511%
202321%
202220%
202140%
202061%
201951%
201840%
201710%
201661%
201541%
201491%
201341%
201271%
201161%
2010152%
200951%
2008111%
2007285%
2006203%
2005223%
200495%
200366%
200244%
20012112%
2000156%
19995023%
19985320%
199710927%
19953216%
19942517%
19931817%
199279%
19911216%
199079%
19891016%
1988714%
1987513%

Other parts of the 2004 Jeep Wrangler

Steering
67 complaints
Suspension
59 complaints
Transmission and drivetrain
26 complaints
Brakes
18 complaints
Body and structure
13 complaints
Electrical system
12 complaints
Fuel system
12 complaints
Seat belts
10 complaints
Visibility (wipers, defrost, mirrors)
9 complaints
Other or unknown
7 complaints
Tires
7 complaints
Air bags
5 complaints

← All problems reported for the 2004 Jeep Wrangler

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology