Whats a fuel pump Diaphragm made of ?

Post by **Orkney** » Sat Dec 29, 2007 6:03 am

As per title - curious as have been reading up on various fuel addatives etc, some of which can damage various components through a given fuel system.

Post by **RogerRust** » Sat Dec 29, 2007 9:06 am

I seem to remember its rubber with a plastic cover membrane.

I've just looked at my spare.
Three layers two rubber ones that seem to be reinforced and a thin plastic layer - feels like polythene on the petrol side.

Post by **Orkney** » Sat Dec 29, 2007 9:13 am

Thanks Rog beats the heck out of stripping the working pump to find that out

Dont think i'll be adding any acetone to scabby's fuel from that description !

Post by **RogerRust** » Sat Dec 29, 2007 10:01 am

please see HERE polythene has good resistance to acetone. Might be OK.

What is the worse thing that can happen? The petrol would leak into the electrical side of the pump and explode. So no problem there then.

Post by **Orkney** » Sat Dec 29, 2007 10:06 am

Ta thats a handy bit of info - but now youve imprinted an exploding scabby in the old grey matter think i'll leave well alone no matter what the chart says