Cooling System

1998 JAGUAR XJ8
140,000 MILES • V8 • AUTOMATIC
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PHUTTO
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  • 1 POST
My 98 Jaguar runs hot while driving but not while idling
Feb 9, 2011 at 11:31 PM
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CRAIGINPA
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  • 23 POSTS
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.
Jul 21, 2011 at 5:17 PM