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Should I replace the water pump?
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Doverdude
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PostPosted: Tue May 22, 2018 6:33 am    Post subject: Should I replace the water pump? Reply with quote

I am putting in a new radiator and am also replacing all of the coolent hoses on the motor, should I replace the water pump while I'm at it? I have done the fuel lines. is there any other maintenance I should do while I am at it. also doing tuneup new belts and oil. thank you
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markswagen
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PostPosted: Tue May 22, 2018 6:46 am    Post subject: Re: Should I replace the water pump? Reply with quote

Is there play if you wriggle the pulley, if there's any sign of a leak, then yes, I would while you are in there, what year van, late are easier, if you have a pre 1986, and it looks unloved, you could be in for a headache, sized and broken bolts, early water pumps can be a nightmare.
When you refit, use antisieze, especially if you think you may have the van long enough to need to get in there again.
If you have a 1.9 and it looks fine, you might want to leave it alone.
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Doverdude
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PostPosted: Tue May 22, 2018 7:38 am    Post subject: Re: Should I replace the water pump? Reply with quote

it is a 90. Also do anyone sell a set of hose clamps for the motor coolent hoses? If not is there a list of the different clamps needed?
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T3 Pilot
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PostPosted: Tue May 22, 2018 7:55 am    Post subject: Re: Should I replace the water pump? Reply with quote

Good reference site here:

http://www.oemepc.com/vw/part_single/catalog/vw/ma...g/e#sec_32
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bettingonvans
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PostPosted: Tue May 22, 2018 8:58 am    Post subject: Re: Should I replace the water pump? Reply with quote

While your coolant is drained and you are working near your water pump anyway, replace your oil cooler seal.

I used constant-tension band type clamps from McMaster-Carr. It was helpful for me to look at this site to learn the hose diameters in order to know which clamps to buy. http://www.vanagonauts.com/files/VWtoNapaHoses.html

You may have already, but check your heater hoses and pipes. Mine looked to be about to blow which is why I started my cooling system project to begin with.
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0to60in6min
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PostPosted: Tue May 22, 2018 9:45 am    Post subject: Re: Should I replace the water pump? Reply with quote

if your water pump is of unknown age... I think you should replace it because the coolant is already out... and replace all the little hoses around the heat exchanger and the heat exchanger gasket too as suggested...
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Butcher
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PostPosted: Wed May 23, 2018 5:25 am    Post subject: Re: Should I replace the water pump? Reply with quote

And while you're there, hows the belts? Crank seal?

Sadly a simple repair/replacement ends up taking a week to fix everything you ran into.
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