AC Filter / Expansion Tube (Page 1/4)
82-T/A [At Work] MAR 01, 04:45 PM
This is a bad thing, right? Haha...




On a serious note, my daughter just swapped this out, and replaced all the O-rings in that area. We've been going through every part of the HVAC system and replacing the O-Rings with the green ones, and we of course, replaced the old A/C compressor. Is there any concern on this dirt being all over the inside of the AC lines? I checked at multiple points and it was totally clean everywhere except for here...
Stingray92 MAR 01, 05:11 PM
Looks like that is what is referred to as black death.

Yes in my experience its bad, as far as correcting it's likely going to be costly because that junk is passing through the whole system.

[This message has been edited by Stingray92 (edited 03-01-2025).]

Vintage-Nut MAR 01, 08:27 PM

quote
DLCLK87GT:
Autozone sells a DVD on AC service and repair




quote
RWDPLZ:
Another plus for the Auto Zone video, VERY informative.





How To PROPERLY Flush and Recharge A Contaminated AC System
https://youtu.be/N_msH6TX2W4

[This message has been edited by Vintage-Nut (edited 03-01-2025).]

Vintage-Nut MAR 02, 09:36 AM
Another source on the subject:

Just Needs a Recharge: The Hack Mechanic Guide to Vintage Air Conditioning by Rob Siegel
https://www.amazon.com/Just...ioning/dp/0998950718
RWDPLZ MAR 02, 11:13 AM
Catastrophic compressor failure. Would definitely flush the lines.


quote
Originally posted by Vintage-Nut:




How To PROPERLY Flush and Recharge A Contaminated AC System
https://youtu.be/N_msH6TX2W4




Still highly recommend those videos. Looks like parts of them are on Youtube now:
82-T/A [At Work] MAR 02, 07:10 PM
Thanks guys, I appreciate it. I've used compressed air to clean out the lines, but thus far, I've seen nothing in the lines anywhere. I'm concerned though the evaporator coil (or whatever it's called that sits in front of the radiator) probably has gunk in it.
Stingray92 MAR 02, 08:33 PM
The condenser is in front of the vehicle, evaporator is in the hvac duct. They're two long lines under the car but also some that run the sides towards the condenser. The hard part on these cars are all the low points that unless you have a compressor with enough cfm/flush machine it's hard to get clean on the car.

I had the necessity to pull everything off mine so easy access wasn't an issue.

Best of luck getting it straightened out.
82-T/A [At Work] MAR 03, 07:31 AM

quote
Originally posted by Stingray92:

The condenser is in front of the vehicle, evaporator is in the hvac duct. They're two long lines under the car but also some that run the sides towards the condenser. The hard part on these cars are all the low points that unless you have a compressor with enough cfm/flush machine it's hard to get clean on the car.

I had the necessity to pull everything off mine so easy access wasn't an issue.

Best of luck getting it straightened out.




Thanks, I appreciate it. The A/C compressor has apparently been bad for over a decade. It's on my daughter's car, and she's only had it for 2 years. The previous owner (who had the car for almost 20 years) said the A/C never worked... haha... so it's all really old. It was still pressurized though when I removed the lines.

I know debris wouldn't be great for the new compressor, but is it reasonable to think that the next filter would catch most of the stuff in there, and I could just change it out again? (if cleaning the lines doesn't work)?


Thanks!
Vintage-Nut MAR 03, 08:41 AM

quote
This is a bad thing, right?


Stingray92 already told you this is called "Black Death".

But try your way first - it is only time and money...

But to me, I rather not waste effort by attempting a shortcut; I use the old saying:

"Do it right the first time"
82-T/A [At Work] MAR 03, 08:54 AM

quote
Originally posted by Vintage-Nut:

Stingray92 already told you this is called "Black Death".

But try your way first - it is only time and money...

But to me, I rather not waste effort by attempting a shortcut; I use the old saying:

"Do it right the first time"




Haha... you're starting to get like Ogre. I already said I was going to flush the lines as recommended. I was just curious if there was anything I missed... could I expect the new filter to catch the debris?