Search results

You are all missing the point. He said he can't take the truck out of service right now. It would be just plane stupid not to try stop leak if you are going to drive it anyways. I am a professional mechanic. I own a repair shop. I understand the limitations of stop leak. Why does a...

We don't know that his block is cracked. I agree it probably is. But I have seen a pinhole flaw in a 4cyl jeep engine and sealed it with stop leak because the customer could not afford a new block. His head gasket may have been damaged across a water port to a oil drain back port. Long shot yes...

But for all we know it could be a pin hole casting flaw. He really has nothing to lose. I don't expect it to work. but I would try if it was my truck.

Stop leak is cheap. Put some in and try it. If it works you can start saving for a new engine. If not sell something less important like the wife and kids.