finding an exhaust leak

[clutchdust]

I know I have an exhaust leak on my car. I have a full length exhaust but I still get a pervasive exhaust smell while driving down the road. So I'm trying to figure out where the leak is coming from and where it's getting into the cabin. Is there anything I could put in the gas that might make a visible smoke without affecting the engine? It would be a lot easier to find if I could actually see it.

 

[Twin_Turbo]

Yes, a little seafoam down the throttle will make it smoke like mad and you will instantly spot any exhaust leak.

 

[clutchdust]

Thanks. Will give that a try.

 

[mrvette]

Yes, a little seafoam down the throttle will make it smoke like mad and you will instantly spot any exhaust leak.

Thanks. Will give that a try.

ATF will do the same thing.....give the EPA a thrill......:bounce:

 

[MYBAD79]

lol..... that Seafoam is priceless..... take a video...... :lol:

 

[fastcompany2]

wow never heard of foaming it to find a leak....it will make it smoke like mad. i have always used a piece of vacuum line in my ear and just move the hose around the exhaust until you hear the leak. and there is usually alot of carbon deposit along an exhaust leak so look for black spots.

 

[clutchdust]

Did the Seafoam thing today. Didn't blow a bit of smoke. I couldn't believe it. May have to try the ATF thing.

 

[MYBAD79]

no smoke ???

did you pour it thru the brake booster vacuum hose ? that stuff makes smoke like nothing else.....

 

[fastcompany2]

Did the Seafoam thing today. Didn't blow a bit of smoke. I couldn't believe it. May have to try the ATF thing.

well i have had them not smoke at all until you put a load on it. i've done the sea foam treatment and revved it up for 10 minutes with no smoke. pull out onto the highway and watch everyone behind me start pulling over..:cussing: but i'd still have to say making your car smoke like a pig is not the way to find an exhaust leak. especially since doing seafoam or atf usually makes it smoke so bad your going to pass out trying to find this leak.

 

[Twin_Turbo]

You need to throw more in there and not drip drip drip like but a steady pur but not so much that you hydrolock the engine, I use a small funnel and hold my index finger over the hole of the funnel so I can control the flow better than by just pouring with the can


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