P Gasket

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Originally Posted by justinc

All the new steel gaskets still require sealant, I use a wurth silicone product, the same I assemble gearbox casings and fit sumps etc with. It has never failed me yet. I have had some failures/ minor leaks with Hylomar on these though...Unusual for hylomar but this is why I started using the wurth sealant.
Hope this helps.

JC

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Yep, mine failed after a few months when using Hylomar too JC.

I blamed the 2-EHA in the OAT coolant, which softens silicon's, so I replaced it with Loctite 518 anaerobic sealant and so far so good. (although I'm no longer using OAT coolant either)

Quote:

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Originally Posted by andkat

replaced 3 weeks ago with the new metal type!!!!
It has now let go again --- Any advice would be greatly appreciated!!!
regards Crawfy

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Hi Crawfy

On one of the motors I have rebuilt recently, the sealing surfaces on the axillary bracket around the 'P' gasket was distorted and showed signs of corrosion.
I had a mate who does a bit of engineering work take a look at it, between us we decided to take a skim off the back of the housing including all the points around the bolt holes that were on their own and after skimming off .0016" the sealing surface look nice and tidy.
The bracket surface was ground parallel to the front where the water pump and the power steering pump bolt to.
One interesting thing I did noticed about using the paper gasket was, when I used the torque wrench, the gasket tended to squash out as the tension was applied.
.

jc what flavour Wurth is yor favourite?

S

why would you want to change the cap to de preussrize the coolant system :confused:

I Near went mental with P gaskets,:mad:.. Ended up using sicaflex, and a can of bars leaks , not a weep in the last Three years.:)


Cheers Sumo.