AC condensation Drip Path

[pannoner3]

Hi everyone,

2021 Yukon SLT 5.3L with 73k miles. It's been hot where I am lately, so AC is getting used a lot. Recently I noticed that after driving with the AC on, I'll get out of the truck and hear a sizzling sound. After looking underneath, it appears to be the condensation dripping off the AC condenser, down the transmission/transmission pan, and landing on the exhaust. I know the condensation itself is normal, but does anyone else experience this same path where it drips down the transmission and onto the exhaust?

 

[Kpwweb]

Yes. That is normal. There is another thread that states the engineers are probably trying to cool the transmission with the condensation. Thus the sizzling.

 

[pannoner3]

Thanks, I did have that thought but wasn't sure.

 

[Johnny Fr]

We haven't gotten our vehicle yet. Where does the rear AC drip, is it the rear right wheel?

 

[jfoj]

I thought this was a rather stupid set up, if you plan on doing any work around your transmission, turn off the A/C compressor before you do any work or pull the vehicle up on ramps, otherwise you will get dripped on while under the vehicle. I learned the hard way when doing my valve body upgrade and checking and setting the trans fluid level.