Water pump gaskets
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When I replace mine recently, I followed the advice of Mark A (ower of Mark's Offroad) which was the following:
- Unscrew the back plate off the water pump. Apply a small bead of rtv silicon on both sides of the gasket and reattach.
- Between the water pump and block I did not use a gasket. I applied a bead of rtv silicon around the water pump hole and torqued to specifications.
Others may have other suggestions, but this worked for me.
Brian
- Unscrew the back plate off the water pump. Apply a small bead of rtv silicon on both sides of the gasket and reattach.
- Between the water pump and block I did not use a gasket. I applied a bead of rtv silicon around the water pump hole and torqued to specifications.
Others may have other suggestions, but this worked for me.
Brian
Saves me typing. Thanks Brian.
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Between the water pump and the block what amount of torque did you tighten it to the engine?
My waterpump was also leaking
I think because an additional paper gasket was fitted on top of the metal one
Should I remove the paper gasket and apply rtv sillicon instead
I think because an additional paper gasket was fitted on top of the metal one
Should I remove the paper gasket and apply rtv sillicon instead
and remove the metal cover and apply the silicon on the paper gasket. Should that be sufficient to stop the leakage
Aviation Permatex, all paper gaskets.
Thanks for the product details Mark 
Both the paper gasket on the block
And the metal plate and the paper gasket in between was fitted. No silicon was used which created a cooling water leak.
It is clear by comments in previous threads that permatex should be applied on the paper and around the opening of the metal plate.
But it is unclear to me if I can neglect the 2nd paper gasket between the metal plate and the block itself.
Many thanks for your help
And the metal plate and the paper gasket in between was fitted. No silicon was used which created a cooling water leak.
It is clear by comments in previous threads that permatex should be applied on the paper and around the opening of the metal plate.
But it is unclear to me if I can neglect the 2nd paper gasket between the metal plate and the block itself.
Many thanks for your help
Once I used hylomer on the paper gasket but it leaked, so next time used permatex water pump sealant on another paper gasket and all faces, it is another silicone, that worked well.
Green Bean
SILVER Star
I went back and looked. When I bought a new water pump from "The Guru" (@65swb45) he left me a friendly reminder note. I used Toyota sealant on both sides of both gaskets. No leaks.
Thanks I do the same
Many thanks for your clear answer, I will order two new paper gaskets and will apply permatex in between, very good service of Marks Off Road that was not the case when I bought my pump in EU unfortunately