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Exhaust tranny smoke

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78K5BlazerTJ

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I have dried up tranny fluid and slight tranny drip that, falls on the exhaust, causing well, smoke.

Until I fix the tranny pan drip is there anything I can put over the exhaust pipe to make a kind of protective layer that the tranny fluid can fall on or roll
off?

Im sure it will get hot as well and most likely smoke, just fleshing this idea out see if anyone may have some insight to maybe remedy this.

The truck is going for an engine swap soon.
So it’s mainly for a breif period Im looking at to maybe rig something up. I can change out the gasket when the truck is done with the swap.

I was thinking maybe put aluminum duct tubing or something to just cover it with a metal zip tie.

Is that even worth the trouble?
 
I've got a super slow drip from my rear slip yoke that will get on to my crossover pipe, so take this with a grain of salt.

Both times I have been involved with a vehicle fire it was due to trans fluid on exhaust. First one was on a TH400 swapped Supra. Changed the trans, took it for a shake down, noticed some weirdness, and brought it back. When I pulled the dipstick, trans fluid shot out of the tube. Luckily I slammed the hood and the damage was minimal. Turns out mud dobbers had plugged the vent.

The other time was a trans puking out the vent of a friends car. He did not shut the hood. Ended up a pile of parts.
 
Abusfullofnuns said:
I've got a super slow drip from my rear slip yoke that will get on to my crossover pipe, so take this with a grain of salt.

Both times I have been involved with a vehicle fire it was due to trans fluid on exhaust. First one was on a TH400 swapped Supra. Changed the trans, took it for a shake down, noticed some weirdness, and brought it back. When I pulled the dipstick, trans fluid shot out of the tube. Luckily I slammed the hood and the damage was minimal. Turns out mud dobbers had plugged the vent.

The other time was a trans puking out the vent of a friends car. He did not shut the hood. Ended up a pile of parts.
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So..... can i put aluminum duct tube over it? Just something it can slide off of then to the ground instead of just smoking on the cross over pipe?
 
78K5BlazerTJ said:
So..... can i put aluminum duct tube over it? Just something it can slide off of then to the ground instead of just smoking on the cross over pipe?
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Probably won't do much good. It's a $20 part and 20-30 minute job to replace the pan gasket and filter. You will spend just as much time messing with quick fixes.
 
kennyw said:
Probably won't do much good. It's a $20 part and 20-30 minute job to replace the pan gasket and filter. You will spend just as much time messing with quick fixes.
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Yeah after I typed my “idea” I came to that conclusion as well.
The time consuming part will scraping all the crap off the exhaust. Previous owener(s) must have not cared tranny fluid was dripping on the exhaust.
 
With that said what can I spray on the exhaust to loosen years of cooked on gunk, mud and truck fluids etc?

I dont mind scrubbing it but is there a solution to let soak on the pipes? Maybe easy off oven clean, wd40 seafoam?
 
Oven cleaner would be good for cooked on grime on your exhaust but keep it away from paint, it is a good paint stripper.
 
kennyw said:
Oven cleaner would be good for cooked on grime on your exhaust but keep it away from paint, it is a good paint stripper.
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Good call. We used to use Ez-Off on the pipes on our Harleys. Worked great.
 
Worst thing to get off an exhaust pipe is a plastic trash bag..:doah:

I had one blow under my El-Camino on the highway one day,it hit the y-pipe and melted into a sticky goo,then it hardened up after the engine was shut off and it cooled..every day I had to put up with the stench of the plastic melting,it never got quite hot enough to set it on fire or melt off,so it took months for it to finally come off..it got hard enough in the winter that I could chip pieces of it off,along with a thin layer of rusty y-pipe..
 
Best To just replace the gasket. Waste of money to attempt a easy fix something that you know what is the correct fix. You can try easy off or engine degreaser. I’ve had good luck with the purple clean stuff before. Simple green will also Melt the funk off too.
 
Im going to replace the gasket/filter etc.
But I can vouch for Easy Off working really well. Needed about two treatments, let soak about 8-12 hours each time. Most came off with some scrubbing, the rest wiped off.
 
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