Merc Corrosion Gaurd

shaun77

Seaman
Joined
Aug 21, 2010
Messages
62
Just reading my service manual on this rainy day for my 4.3l mercruiser and at 50 hrs it says" apply Corrosion Guard to the power package." Where exactly do I apply this to and are there any areas to avoid?
 

Don S

Honorary Moderator Emeritus
Joined
Aug 31, 2004
Messages
62,321
Re: Merc Corrosion Gaurd

Personally, I wouldn't use that sticky nasty stuff Merc puts out on anything. One place I worked at long ago used it and it seemed like it caused more corrosion than it stopped. You spray the stuff on metal parts inside the engine compartment to keep them from corroding.
There are many different kinds that protect metal. Pick one you like and go for it.
I used the Volvo brand (Was working for a Volvo dealership) corrosion guard, which is similar to CRC's Bio-shield or something like that, just a different color. Dried to a dry, waxy, non sticky or oily finish and really stopped corrosion on salt water boats.
 
Top