jstand22

So I just finally put my new head gasket on, torqued the head down, timed the cams, had already put the rear belt cover, and crank gear back on, and finally found my mystery oil leak-- from the rear seal on the upper shaft. Should I re-seal? I'd have to take the crank gear and rear belt cover off again right? What else?

KuHL 951

If you can feel the plug at the rear of the BS housing move at all the seal between it and the housing has shrank. Many people just clean it up real well and apply a good layer of Loctite 574 or oil resistant Permatex sealant. I've found three engines so far that have that plug flopping around. Odd thing is they didn't all leak. The other option requires removing the entire BS assembly which is no fun with the engine in the car.

Papamurphdog

+1 on that. BTW, the leak is just a messy thing, it won't cause harm to the BS or any other issues. However, it will drip in all the wrong places and make a real mess under the car.

eniac

Hondabond(Permatex Ultra-Grey) will give you at least couple extra leak free years if done properly.

...that reminds me...I'll post a new thread...

jstand22

I was asking because the intake and everything is already off so the BS housing is totally exposed (except i put the crank gear and rear belt cover on), but tell me more about these sealants....where to buy, which one's best.

Papamurphdog

If that's the case, just replace the seal. It's a quick job, just a lot of bolts, no big deal...

eniac

Then I would change the o-ring if you have almost everything already off to remove the cover. Hondabond can be bought at any Honda dealer or permatex Ultra-Grey is pretty much the same thing that can be bought at any parts store.

PorscheDoc

574 will not work in an external environment like that, it only seals in an anaerobic environment. IE, between two mated surfaces. It will stay a liquid goo. Orange RTV on the other hand will work just fine as a temporary fix until you want to tear it all down and fix the correct way.