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Old 10-04-2021, 07:09 AM
Join Date: Jun 2021
Location: Austin, TX
Posts: 279
X5chemist is on a distinguished road
My X5 had a water pump replaced before I bought it. If I need to replace it, I'm upgrading.
A Stewart pump is high dollar but worth it.

Does the diagram above show all the coolant system? Does the pic show all hoses that need replacing during an overhaul?
'06 X5 3.0i - bought @143,123 miles (12/26/20)
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Old 10-04-2021, 08:23 AM
Join Date: Dec 2019
Location: The Netherlands
Posts: 162
guntherrex is on a distinguished road
looks like that's just for the 6-cylinder engines... no diagrams that I can see.

Hoses and other assorted bits haven been checked and/or replaced in the past 2 years since this is the 3rd mishap in the cooling system... I hope this will be the last for a while!
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Old 10-05-2021, 04:19 AM
Join Date: Dec 2019
Location: The Netherlands
Posts: 162
guntherrex is on a distinguished road
OK had a look at the water pump (no picture). There was a lot of rust on the outside where the pulley connects, so I suspect a leaking seal. The pump rotor had actually grazed the sides of the housing and was utterly seized in the bearing. No brand to be seen... had it replaced with an OEM unit. Both belts replaced as well, purrs as a kitten!
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