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  #1  
Old 05-27-2010, 12:42 PM
LarryBible
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So You Want to use an A/C Sealant?

http://www.youtube.com/watch?v=bWVU2NU-Xkw

Watch this video before deciding to use a leak sealant in your a/c system. Especially make mental note of the compressor that was taken apart after leak sealant used in system.

Although this video is a sales tool for a sealant detector, I am not trying to sell you one. I have nothing to do with these people. I am posting this for your information so that you can know what you're very possibly in for if you put any of this junk in your system.

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  #2  
Old 05-27-2010, 12:58 PM
DeliveryValve's Avatar
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Quote:
Originally Posted by LarryBible View Post
Thanks for posting. Great info.




.
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  #3  
Old 05-27-2010, 01:02 PM
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Very simple - I looked at there site but couldn't get a price for the sealant detector. They have some links bungled up, keeps taking me to the refrigerant ID kits.
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  #4  
Old 05-27-2010, 01:16 PM
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Great post !

I used about three cans in my service truck's system . Going to label dryer by low service port with paint marker. "LEAK SEALANT USED "

No sense in destroying mechanics machine because we tried to save money !!

Thanks for the wake up call Larry.
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  #5  
Old 05-27-2010, 01:32 PM
LarryBible
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Originally Posted by soothappens View Post
Great post !

I used about three cans in my service truck's system . Going to label dryer by low service port with paint marker. "LEAK SEALANT USED "

No sense in destroying mechanics machine because we tried to save money !!

Thanks for the wake up call Larry.

THANK YOU!

If everyone that used this stuff had as much respect for others as you do, there would be no problem.
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  #6  
Old 05-27-2010, 01:35 PM
LarryBible
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Originally Posted by TX76513 View Post
Very simple - I looked at there site but couldn't get a price for the sealant detector. They have some links bungled up, keeps taking me to the refrigerant ID kits.
You can Google "Sealant Detector" and come up with several sources. They cost about $180 for the kit.

Again, I'm NOT trying to sell anything. My main reason for posting the link was so that you could see the damage that it can do not only to Recovery/Recycle machines but also to your a/c system. That compressor was NASTY! It's a cinch that the entire system in which that compressor was installed looked the same way. The only way to restore it would be to replace EVERY component in the entire system. With our precious older MB's that would be more than the car is worth in most cases.
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  #7  
Old 05-27-2010, 01:53 PM
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Damn, I was think about using some, too. Well, no sir!
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  #8  
Old 05-27-2010, 02:06 PM
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Watch out on those so-called "high mileage" cans of R-134a; they have sealant in them according to the label. We were shown pictures of the damage done in the Ford climate control class I went to last year. Great way to trash an A/C system and the recovery equipment. Wonder how many people unknowingly put this crap in when they top off an A/C system with small cans of R-134a they got from the local auto parts store.
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  #9  
Old 05-27-2010, 02:16 PM
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The sky is falling ??

One promotional video and 1 split opened compressor is NOT statistically significant enough to tell us anything. I do not know what damage could have been done to the system with sealant but I am sure there are promotional video to tell you that sealant are safe does not do any damage, the same for high mileage R134a. So the jury is still out, I do not take anything at face value.
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Not MBZ nor A/C trained professional but a die-hard DIY and green engineer. Use the info at your own peril. Picked up 2 Infractions because of disagreements. NOW reversed.

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  #10  
Old 05-27-2010, 02:30 PM
LarryBible
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Reminds me of what my High School Geometry Teacher used to say.... "There are none so blind as those who will not see."
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  #11  
Old 05-27-2010, 02:36 PM
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The only sealant I use is the green "Gorilla Snot" in the lawn mower tires. Bois d'arc and Mesquite thorns puncture those tires easily.

I have heard of Driers getting plugged up by A/C sealants...
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  #12  
Old 05-27-2010, 02:36 PM
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Walking stick, anyone?

There is a thread for a cane/walking stick here lately.

I took Statistic in University, and yes, I did go to a top-notch university in UK. My professor told me that you need enough samples or population to have 95% percentile confidence.
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Not MBZ nor A/C trained professional but a die-hard DIY and green engineer. Use the info at your own peril. Picked up 2 Infractions because of disagreements. NOW reversed.

W124 Keyless remote, PM for details. http://www.peachparts.com/shopforum/mercedes-used-parts-sale-wanted/334620-fs-w124-chasis-keyless-remote-%2450-shipped.html

1 X 2006 CDI
1 x 87 300SDL
1 x 87 300D
1 x 87 300TDT wagon
1 x 83 300D
1 x 84 190D ( 5 sp ) - All R134 converted + keyless entry.
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  #13  
Old 05-27-2010, 02:37 PM
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Even if the car's system was not damaged, there is the very real problem of the sealant damaging the expensive recovery equipment when the system is later serviced by a shop using such equipment.

The way I understand how the sealant works is that it hardens on exposure to air. So, if Mr. Shadetree does his own A/C work and does not pull a vacuum on the system and then proceeds to use those cans of R-134a with the sealant in them, he'll end up with a failed system in short order. Then he decides to take the car to a shop to get it fixed, and the shop doesn't realize there's sealant in the system until it's too late.

IMO the sealant is nothing but a cheap, down and dirty, snake oil fix. Proper A/C repair often does not come cheaply.
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  #14  
Old 05-27-2010, 02:58 PM
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I can just imagine joe schmo putting can after can of that stuff into his car, giving up, then going to the AC shop. I bet that's what happened with that goobered up compressor.

-J
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  #15  
Old 05-27-2010, 03:24 PM
LarryBible
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Quote:
Originally Posted by loepke72 View Post
Even if the car's system was not damaged, there is the very real problem of the sealant damaging the expensive recovery equipment when the system is later serviced by a shop using such equipment.

The way I understand how the sealant works is that it hardens on exposure to air. So, if Mr. Shadetree does his own A/C work and does not pull a vacuum on the system and then proceeds to use those cans of R-134a with the sealant in them, he'll end up with a failed system in short order. Then he decides to take the car to a shop to get it fixed, and the shop doesn't realize there's sealant in the system until it's too late.

IMO the sealant is nothing but a cheap, down and dirty, snake oil fix. Proper A/C repair often does not come cheaply.
It's easy to see that Loepke is a perceptive individual.

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