youngatheart

Hi there,

Recently, I've used an engine additive product called "stop leak" by Wynn.
It seems to have stop a minor leak in my Honda.
This product was recommended by a staff at the Mr. Lube station when I was getting my oil change for the Honda of course.
I am thinking of using it in my 87' 911 coupe to plug up a minor leak also.
I was wondering if this is a no no from Porsche owners.
Did anyone use this or a similar product to stop minor leaks?

thanks in advance for your feedback.

Youngatheart.

danoberer

I have used a stop-leak product in the transmission fluid, and it neither worked very well nor seemed to hurt anything. A Lister did tell me, however, that this was a no-no.

CN

What kind of leaks? I have used Lucas oil additive if that's what you mean. It works a bit if your oil is old and starts to break down but other than that, I'm not sure what you are asking.

r911

Mr. Lube Station??? I think I would get advice from folks who work ona lot of 911s...

I would avoid this - quick fixes usually aren't.

ron mcatee

The only "stop leak" I have ever heard of is for radiators for water cooled engines. I would avoid using anything like that in a Porsche.

3.2SLANTNOSE

Most so called oil seal stop leak have an additive which is somewhat like brake fluid, it will in a lot of cases make the old seal swell and actually stop the oil leaking, but there is a downside to these products, there is no control to the amount of expansion that will happen to the seal and then could cause total seal failure due to the uncontroled expansion, and softening of the rubber in the seal, like how brake fluid will attack rubber. I know a lot of seals can be a major PITA to replace, but that is the only way to truly be sure that the leak will hopefully will stop. Just my .02

Wayne Williams

Tried the Wynns Stop Leak in my 82 SC. Didn't work at all!!

Don't waste your money (you'll need 2 tins - 1 tin only treats up to 6 litres)

Wayne

johnny1423

GOOD LUCK