Poppet Valve Leaking Still!!

[Ebuck155]

Ok, so i have this 1989 Mercury 200 XRI Serial #0C157845. I have replaced the water pump (impeller, gaskets, o rings, housing etc. and I just did a rebuild kit on the poppet valve ( everything in that too). I took it to the lake and the poppet is still leaking from the weep hole, not a lot though, but still a very little stream,. water pressure is 5 psi at idle and 20 at WOT. Ran good but still leaks.

Any ideas? I cleaned it out well, there isnt any debris in the cooling system. Has new thermostats, well so says the guy I bought it from, who is a Merc Tech. He said is normal to leak from the weep hole and I shouldn't worry about it??

Oh yea, it leaks from the minute I turn it on till I turn if off.

Thanks
Eric

[leonreno]

How can water leaking inside the cowl be normal? Sounds like a hole in the diaphragm or bad gasket.

[Ebuck155]

How can water leaking inside the cowl be normal? Sounds like a hole in the diaphragm or bad gasket.

Both brand new and inspected before install. Weep hole is for high pressure release.

[buster502]

i had one do the same thing,i had to take it back apart the plunger did not seat right,it was fine when i put it back together the second time

[Ebuck155]

i had one do the same thing,i had to take it back apart the plunger did not seat right,it was fine when i put it back together the second time

Hmmmmmm, I suppose I could try that, I was very careful assembling it. But you never know.

Thanks

[buster502]

i thought the same thing and as soon as i pulled it apart i was looking at it and it was not centered,i centered it perfect and put it back together and no problems

[EuropeanAM]

Check the center screw that holds the washer to the diaphram to the poppet valve. Must be fully seated/tight or water will weep through.