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Water pump concerns

BudgetPhoenix

Autocross Champion
I did my own water pump and an intake manifold cleaning at the same time. It's not too bad. I think the key is to use the correct torque and tightening sequence along with new o-rings on the inlet and oil cooler connection point. Not tightening it correctly is probably why so many people get leaks eventually after having a shop do it.
 

nvturbo

Go Kart Champion
it's not the torque'ing that causes leaks. Shops, including VW dealer techs do not clean the mounting area for the water pump housing. When you mount a new part onto a dirty surface, it will eventually leak.
 
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