Sump (and other gaskets) to use sealant as well?

[peteracs]

Hi All

Just replacing my sump gasket and wondered if it is necessary to also use any sealant on it to get a guaranteed seal or just use the gasket?

The old one appears to be unsealed and from what I can tell did not leak.

Peter

[lukasdeopalenica]

I have always used just a cork gasket and it works well but sometimes sump bolts needed retightening as the gasket sat a bit with time.

[jreacock]

The advice from Guy Croft, is to use a small amount of sealant around the corners (the seal housing interface).
I have just rebuilt my engine, (using the cork gasket) and used a bit of blue hylomar blue sealant around the joins, and also smeared a bit of grease on the engine side of the gasket - as it recommends in the Haynes manual. I think that the main reason for doing the latter, is so that it's easier to remove in the future.

[HFStuart]

Make sure the sump face is flat though - if the sump bolts have been over tightened or fitted without washers at some point the flange will have bent around the bolts leading to leaks between them. I've always used a smear of red hermatite (or similar) and have not had any problems

[peteracs]

Hi All

Thanks, I will use some of the gasket sealant and see how we get on.

Peter