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Re: Should a water pump be serviced? Or better not to touch?
Posted by Jeremy R. [Email] (more from Jeremy R.) on Fri, 19 Nov 2021 20:20:14
In Reply to: Should a water pump be serviced? Or better not to touch?, bender
[Profile/Gallery]
, Fri, 19 Nov 2021 11:16:56
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Replacing the water pump on a T7 Saab is not a fun job due to the turbo coolant line that connects to it. The factory pumps should last at least 100K miles, so I see no reason to replace yours at half that. Most of the aftermarket water pumps are lucky to last 50K miles. If you have a leak coming out of the coupling between the water pump and the cylinder head, you might want to take the water pump off, remove the coupling, clean up the hole on the head, and replace the o-rings, but otherwise I'd leave it alone. Leaks on the water pump's actual gasket, the one that seals up the two halves, seem to be extremely rare. It's more common to see the coupling leak. If you do mess with all of that, you should also replace the u-shaped hose that connects the water pump to one of the heater core lines.
posted by 97.113.3...
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