Engine coolingPart report
1998 Jaguar XJ Engine cooling Problems
- Complaints
- 4about this part
- Share
- 36%of 11 total for the year
- Median mileage
- 49,901miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the engine cooling of the 1998 Jaguar XJ, 36% of the 11 complaints for this model year. Where a mileage was given, the median is 49,901 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Related service bulletins
- 10227122Jun 27, 2013Title: 5.0L V8 (AJ133) overheating due to incorrect
- 10212871Apr 23, 2013Charge Air Hose assy detachment.
- 10212855Dec 17, 2012JTB00268 engine hard to start after hot soak - fan running Category Driveability.
- 10033530May 20, 2010Jaguar service campaign: see document search button for owner letter. Operation of throttle while in closed position. Certain vehicles have been identified with the operation of…
- 10021469Mar 20, 2007Reprogramming the ecm and replacing the throttle body.
- 10016575Mar 1, 2005A rattle emanating from the engine on start-up and idle.
- 10011313Apr 1, 2003Coolant pumps - identifying impeller material - pump replacement guidelines. This bulletin replaces bulletin 303-60, dated 02/03.
- 10011316Feb 1, 2003Long cranking - difficult warm/hot start - diagnosis procedure - aj 26 normally aspirated engines. This bulletin replaced bulletin 303-39, dated 03/00. *tt this is the original…
- 10011318Jun 1, 2002Overheating - thermostat stuck closed - revised thermostat available.
- 10011477Nov 1, 1999Difficult cold start - engine control module (ecm) flash programming - service action s471. Updated bulletin 303-33, dated 4/99.
Engine cooling: other model years
Other parts of the 1998 Jaguar XJ
Exterior lighting
2 complaintsTransmission and drivetrain
2 complaintsEngine
1 complaintsFuel system
1 complaintsOther or unknown
1 complaintsBody and structure
1 complaints
2 complaintsTransmission and drivetrain
2 complaintsEngine
1 complaintsFuel system
1 complaintsOther or unknown
1 complaintsBody and structure
1 complaints
← All problems reported for the 1998 Jaguar XJ
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