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Engine coolingPart report

2004 Jaguar XJ8 Engine cooling Problems

Complaints
4about this part
Share
7%of 54 total for the year
Median mileage
35,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 4 complaints about the engine cooling of the 2004 Jaguar XJ8, 7% of the 54 complaints for this model year. Where a mileage was given, the median is 35,000 miles. 1 of these say a crash was involved, according to the filers.

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.

“The power window on driver's side stopped operating while in the up position. Vehicle stalled on two occasions while driving at 35 MPH and 65 MPH. Vehicle restarted on both occasions, and the vehicle would vibrate severely while driving 50 MPH. Consumer stated vehicle had been to the dealer 8-10 separate times, but problem recurred. The electrical sstem has problems. Radio changes funtions from am to fm to cd by itself without consumer input. Windows go down without the consumers input and will not close. Interior lights do not work when driving. …”

NHTSA complaint #10094976, filed 2004-11, 1,000 miles

“The contact owns a 2004 Jaguar XJ8. While driving 72 MPH, the instrument panel displayed that the engine was faulty. The vehicle automatically began to decelerate and the instrument panel displayed dsj off . The electronic parking brake automatically applied, which brought the vehicle to a complete halt. As a result, the vehicle was rear ended at speeds between 60-65 MPH. The contacts vehicle spun around into four lanes of oncoming traffic and crashed into a guard rail. The vehicle was destroyed. …”

NHTSA complaint #10214804, filed 2008-01, 69,000 miles

“Engine tap seems to be coming from the fuel injectors. Sounds like a lifter noise but does not change frequency with increased RPM. Also, analog clock chatters every time the minute hand moves.”

NHTSA complaint #10059058, filed 2004-02

“Dt: 2004, Jaguar, XJ8. Vehicle had to have the brakes and transmission replaced. Also, vehicle needed a new starter because the key will not come out of the ignition. After vehicle was taken to the dealership the catalytic converter made a popping noise. There were no other problems with the vehicle to the best of the consumers knowledge. Consumer felt that the mechanics working on vehicle were guessing as to the cause of the problem without solving the problem, consumer took vehicle back to the dealer 12 times since purchasing vehicle on june 25, 2005.”

NHTSA complaint #10126516, filed 2005-06

Engine cooling: other model years

YearComplaintsShare of year
2005117%
200447%
2001215%
1999545%
19983542%

Other parts of the 2004 Jaguar XJ8

Suspension
17 complaints
Vehicle speed control
12 complaints
Brakes
9 complaints
Transmission and drivetrain
8 complaints
Electrical system
5 complaints
Engine
5 complaints
Body and structure
4 complaints
Visibility (wipers, defrost, mirrors)
3 complaints
Air bags
2 complaints
Exterior lighting
2 complaints
Fuel system
2 complaints
Other or unknown
2 complaints

← All problems reported for the 2004 Jaguar XJ8

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 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