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6-Blade Flex Fan Installed 444-544

uid 25070's pic
posted by  Barongrey on  Wed Apr 27 09:49 CST 2005
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last visit: Wed Dec 3 15:46 CST 2008
[RELATED]

We've had a lot of PV544's over the years, never heard of a water pump hub going bad, as in breaking. The shaft seal, perhaps - which would cause a leak. If your fan is properly balanced there should be no additional load on the hub.

The side pull from the alternator or generator is much more load than the fan.

This stainless fan (yes, it's a mechanical 'flex' fan) actually weighs 4 ounces less than the stock Volvo 4-blade steel fan. It's 13-1/2 inches in diameter, which is 1/2 inch larger than the one I took off. I think I could have put in a 15" fan without any clearance problems.

I used to see flex fans made of all aluminum - or even fiberglass, but I think stainless steel is a far better material.






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