Discussion starter · #1 · aug 20, 2009.

How to find exhaust leak seafoam. Pour about one forth of the bottle in. I replace muffler (hole in it) with an advanced auto. The visual that seafoam will give me (i'm now an expert.

Since the exhaust pipes get very hot, a best practice if trying to isolate a leak is to do it while the vehicle is cold. Now use a stethoscope (a funnel jammed in the end of a piece of flexible tube) to listen for leaks. I ran some seafoam through the vacuum line on my truck the other day, and it of course blew smoke out of the tailpipe just like it should when you use seafoam this way.

I'm trying to find an exhaust leak and i've stumbled upon discussions about seafoam cleaning engines and producing lots of. A guy from the parts store told me that seafoam will find a vacuum leak. Listen closely for any leaks around connections where there should not be one;

It would be better to start the truck when it is cold and use a spray bottle with soap in it and just start spraying the seems. I clogged tail pipe with jeep running and could not find. Never touch the exhaust system if you have been driving the car under.

Noise under load is normally header gaskets. However when it's just a pin hole in the exhaust you can start the car cold in the garage and let it idle for. So can you use it to find an exhaust leak?

Discussion in 'terminator talk' started by 03 dsg snake, feb 19, 2012. But the rag idea is good too. Put in seafoam though bpv hose and watch engine for smoke.