1998 Jaguar XJ8 Repair Question
Topics covered: Water pump, Runs hot.
Mileage: 140,000 miles.
Mileage: 140,000 miles.
Asked on February 9, 2011
Cooling system
My 98 Jaguar runs hot while driving but not while idling
Answer
Replied on July 21, 2011
If you haven't figured it out yet, you probably have the original plastic water pump impeller and it's melted somewhat. A replacement water pump is your only option, but it'll come with a metal pump impeller and will probably out-last the rest of the car.