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Guest Message by DevFuse

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Water Pump Gasket Question

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3 replies to this topic

#1 NV Zeno

NV Zeno

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Posted 01 June 2006 - 08:25 PM

'83 EA81 non-turbo:

After much procrastination, I've decided to finally replace my water pump. Got a replacement unit and gasket from NAPA.

The "...Subaru Alive" book sez to use silicone gasket sealer, but I don't have any laying around. What I DO have is the spray-type "Copper Coat Gasket Compound".

Will the copper stuff be OK to use for this application? I have no problem getting the silicone, I'm just looking to save a trip to the parts store:rolleyes: .


#2 Caboobaroo


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Posted 01 June 2006 - 08:26 PM

best bet would be the silicone IMO. I don't know much about the copper spray though....

#3 GeneralDisorder


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Posted 01 June 2006 - 08:53 PM

I've used RTV many times - both with and without a gaskets. Never had one leak yet. Just don't use too much. 1/8" bead is more than enough.


#4 TheSubaruJunkie



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Posted 01 June 2006 - 09:26 PM

Dont think Copper spray is gonna give you that water tight seal the gaskets gonna want. Better play it safe and use the silicone.


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