Re: Using water soluble oil in radiator to lubricate the water pump ?

Posted by Rusty O\'Toole On 2018/3/1 12:05:48

I don't think it was meant to lube the water pump bearings, they were lubricated with a grease gun. It was meant to prevent wear on the seals. Also to prevent rust.

Every gas station used to have little cans of water pump lubricant on the shelf. Haven't seen them in years since everyone went to antifreeze coolant. Bar's Leaks is the closest thing. You could pour the oil into your rad and leave the solids in the jar.