In general for finding an exhaust leak under the car i have heard and personally just taken a microfiber cloth laying around and hold it over the exit on the.

How to find exhaust leak seafoam. Freddy shows how to find and pinpoint an exhaust leak using seafoam.get seafoam here: 2.) option 1 + have someone reving the engine. (swapped turbo) any ideas how i could go.

Let the car cool down again, insert the rag to block. 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. 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.

When i put a can of seafoam in i'll see the smoke coming out of any substantial leaks. 3.) option 1 while car is cold and put hand over tailpipe to see if. I clogged tail pipe with jeep running and could not find.

Discussion starter · #1 · aug 20, 2009. Reverse the shop vac to blow by switching the hose to the other side. A guy from the parts store told me that seafoam will find a vacuum leak.

I replace muffler (hole in it) with an advanced auto. I think it has an exhaust leak. 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.

If you pour too much to fast you will stall the motor. I'm trying to find an exhaust leak and i've stumbled upon discussions about seafoam cleaning engines and producing lots of. Put in seafoam though bpv hose and watch engine for smoke.