XJ XJ6 / XJ8 / XJR ( X350 & X358 ) 2003 - 2009

Water pump advice

Old Apr 26, 2026 | 09:18 PM
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Default Water pump advice

I’m planning on driving my 06 XJ8 from SF to LA. The car has 88K miles on it. Should I have the water pump replaced before the trip? Thank you in advance.
 
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Old Apr 27, 2026 | 02:21 PM
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From: Nuremberg
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Does the pump itself or the gasket show signs of any leakage?

If yes, replace it (there is a newer type of water pump with a different gasket available).

If not, I would say that you can keep it, but because of the age, you can never be 100% certain.

What is the trip? Roughly 400 miles one way?

Best regards,

Thomas
 
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Old Apr 27, 2026 | 05:09 PM
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Thomas,
Yes the trip will be about 400 miles one way. I currently don't have any leaks but the car is 20 years old. Thank you again for your advice, I absolutely LOVE the car and want to take it on a road trip with the family. Really get it out on the open road.
Cheers,
Erik
 
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Old Apr 27, 2026 | 05:51 PM
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It wouldn't have to be a visible leak, but if the weep hole shows crustiness, then replace. You'll need some patience, lights, and mirrors to check that with the hoses and fan in place.

 
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Old Apr 28, 2026 | 03:13 AM
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From: KEHLEN , LUXEMBOURG
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Try a 40 mile trip at least a week before.
mine xj8 had 230k miles snd drove it at least once a weak. Have a quart or oat g12+ silica free coolant with you. Or destilled water
 
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