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| Water pump gasket https://auszookers.com/forum/viewtopic.php?f=5&t=27840 |
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| Author: | Boneheimer [ Sun Nov 20, 2011 2:57 am ] |
| Post subject: | Water pump gasket |
Just rebuilding my G16B and was wondering if the water pump needs a rubber gasket, or if it can use a paper gasket. The reason i'm asking is because both my rebuild kit and the water pump came with a paper gasket, but the FSM says to use a rubber gasket. 
Any clarification would be great, thanks. 
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| Author: | Scrawny [ Sun Nov 20, 2011 3:06 am ] |
| Post subject: | Re: Water pump gasket |
Paper is fine 
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| Author: | Boneheimer [ Sun Nov 20, 2011 3:09 am ] |
| Post subject: | Re: Water pump gasket |
Cheers mate 
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| Author: | buzbox [ Sun Nov 20, 2011 3:14 am ] |
| Post subject: | Re: Water pump gasket |
When you buy a waterpump it comes with a paper gasket, I smear a bit of blue gasket silicon to ensure it has a propper seal. Some people dont even bother with the paper gasket. |
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| Author: | Scrawny [ Sun Nov 20, 2011 3:21 am ] |
| Post subject: | Re: Water pump gasket |
If the surfaces are clean and not scratched or gouged then there's no need for any type of sealant |
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| Author: | Boneheimer [ Sun Nov 20, 2011 3:22 am ] |
| Post subject: | Re: Water pump gasket |
Thanks for the tip buzbox, I was planning on smearing some aviation sealant on both sides of the gasket. |
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| Author: | buzbox [ Sun Nov 20, 2011 3:36 am ] |
| Post subject: | Re: Water pump gasket |
Scrawn wrote: If the surfaces are clean and not scratched or gouged then there's no need for any type of sealant
possibly, but a small smear will ensure it won't leak and may save you time and the pain in having to remove it if it does leak. I'm not sure if aviation sealant would work, but as long as it is heat resistant and remain flexible, it should be ok. |
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| Author: | Boneheimer [ Sun Nov 20, 2011 5:19 am ] |
| Post subject: | Re: Water pump gasket |
I'm using Permatex Aviation Form-A-Gasket No. 3 Sealant so it should hopefully do the trick. I'm not sure how it would be with a cork gasket (sump), so i'll pick up some No. 2 tomorrow as a few people on this forum have used (i think... )
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| Author: | Scrawny [ Sun Nov 20, 2011 5:23 am ] |
| Post subject: | Re: Water pump gasket |
Please don't use sealant on the cork gasket |
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| Author: | Boneheimer [ Sun Nov 20, 2011 5:38 am ] |
| Post subject: | Re: Water pump gasket |
I find it hard to find solid info on here as there are generally a lot of conflicting opinions. Why shouldn't I use a sealant on cork? What would you recommend instead? No sealant / ultra blue?? Sorry for the question spamming, engine rebuild virgin here 
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| Author: | royce [ Sun Nov 20, 2011 6:18 am ] |
| Post subject: | Re: Water pump gasket |
if you insist on using sealants on gaskets that dont need them at least get close on right aviation form a gasket (any type) is for mating machined surfaces with a paper gasket best bet for cork is an adhesive sealant on one side to stick in place and nothing on the other, and dont overtighten it, this is very important, you jsut want the gasket to ever so slightly squish, too tight and it will leaks |
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| Author: | buzbox [ Sun Nov 20, 2011 6:22 am ] |
| Post subject: | Re: Water pump gasket |
Paper gasket = ok to use silicone Cork = Not ok to use silicone Cork gaskets compress so firstly you won't need to use silicone and secondly, silicone may deterioate the cork. |
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| Author: | Boneheimer [ Sun Nov 20, 2011 6:25 am ] |
| Post subject: | Re: Water pump gasket |
Cheers royce, will torque to spec without any sealant. If that fails i'll turf the cork and use ultra blue or something. |
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