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Water pump type change? 200 1983

posted by  Rolandp on  Tue Mar 29 15:14 CST 2016
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last visit: Wed Oct 15 17:36 CST 2014
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'' Unless otherwise, consensus is the HEPU brand water pumps in the aftermarket for your Volvo 240. I'll guess the gasket set that comes with HEPU is also of quality ''


Just changed the HEPU I installed a little over 5 years ago with about (100k km) 65k miles. It developed a major coolant leak.

Being a retired lab technician I took it apart for analysis.

What I found is:
- very good bearing, could have done twice that mileage easy
- very good mechanical seal, looks to me like graphite
ring against ceramic seal,
- very bad rubber or polymer sleeve (bellow ?) bounded to graphite ring and propeller.
I can tear it with my fingers and cut through with my finger nails.

Looks like that material has been deteriorated with time or reacted with coolant. I use the red coolant type which I replace every 3 years.

Too bad HEPU, no more for me. Local auto parts sold me an Italian made pump this time. I might have chosen also the Volvo pump which I bet has to meet higher quality specifications although it might be made by the same people that makes HEPU brand.






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New 1 Water pump type change? [200][1983]
posted by  NewMexico240 subscriber  on Sun Mar 27 21:55 CST 2016 >


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