expansion valve install

Thread Tools
 
Search this Thread
 
Old May 2, 2014 | 02:45 PM
  #1  
Macadoo's Avatar
Thread Starter
Registered User
 
Joined: Aug 2013
Posts: 3,900
From: Central Illinois
expansion valve install

I got my replacement expansion valve and just wanted to check if I'm doing it correctly.

Old valve: the top clamp broke so I'll have to fabricate another.
[IMG][/IMG]


The new valve:
[IMG][/IMG]

Also, I don't have replacement sticky tar stuff for around the pipe. Can I use the 3M black strip caulk? I have plenty of that. It cost a pretty penny and want to use it if I can.
Old May 2, 2014 | 03:27 PM
  #2  
jensenracing77's Avatar
Registered User
 
Joined: Feb 2009
Posts: 11,900
From: Brazil Indiana
Don't use the strip caulk. You really need to use the refrigeration cork tape. Make sure you cover the bulb real good and squeeze it tight by hand after you completely wrap it. Also be sure the ends squeeze down to seal off any air getting to it from the ends.
Old May 2, 2014 | 05:01 PM
  #3  
Macadoo's Avatar
Thread Starter
Registered User
 
Joined: Aug 2013
Posts: 3,900
From: Central Illinois
Will do. Thanks Jensen, I appreciate it
Old May 2, 2014 | 07:19 PM
  #4  
classicmuscle442's Avatar
Registered User
 
Joined: Sep 2012
Posts: 1,413
From: Water Wonderland MI.
X2 on the cork tape, also notice how the first picture shows the TXV bulbs flat spot for good thermal contact, may want to add second clamp on new round bulb to improve contact to evaporator line outlet. There's brass strapping like hangar strap available or you can use a stainless hose clamp.
Old May 3, 2014 | 08:31 AM
  #5  
Macadoo's Avatar
Thread Starter
Registered User
 
Joined: Aug 2013
Posts: 3,900
From: Central Illinois
Yup, 2nd clamp installed and cinched down. Way better contact. Having real trouble finding the refrigeration cork tape. But it's Saturday and all the HVAC places are closed. There's only a million other things I need to do but I was focused getting the AC box back on.
Old May 3, 2014 | 08:34 AM
  #6  
72cutlassconv's Avatar
Registered User
 
Joined: Oct 2012
Posts: 93
From: Yuma, AZ
Originally Posted by Macadoo
Yup, 2nd clamp installed and cinched down. Way better contact. Having real trouble finding the refrigeration cork tape. But it's Saturday and all the HVAC places are closed. There's only a million other things I need to do but I was focused getting the AC box back on.
I bought a roll of the cork tape at napa.
Old May 3, 2014 | 08:37 AM
  #7  
Macadoo's Avatar
Thread Starter
Registered User
 
Joined: Aug 2013
Posts: 3,900
From: Central Illinois
About how much tape will I need do you think? A couple of feet?
Old May 3, 2014 | 08:37 AM
  #8  
Macadoo's Avatar
Thread Starter
Registered User
 
Joined: Aug 2013
Posts: 3,900
From: Central Illinois
Originally Posted by 72cutlassconv
I bought a roll of the cork tape at napa.
I just came from Napa, no dice.
Old May 3, 2014 | 09:31 AM
  #9  
72cutlassconv's Avatar
Registered User
 
Joined: Oct 2012
Posts: 93
From: Yuma, AZ
Napa part # 209491
http://m.napaonline.com/Tablet/parts...erchange=false
imagejpg1_zps1ec6a20d.jpg
imagejpg2_zps39ba0c3c.jpg

Last edited by 72cutlassconv; May 3, 2014 at 09:40 AM.
Old May 3, 2014 | 12:37 PM
  #10  
Macadoo's Avatar
Thread Starter
Registered User
 
Joined: Aug 2013
Posts: 3,900
From: Central Illinois
Well son of a .........
They're closed now. But thanks 72, you saved me a trip to the next town
I decided, instead, to spend the day doing some masking and painting.
Oh, and just for kicks, I thought I'd ruin my AC high pressure hose. The accumulator fitting wasn't spinning on the pipe and I didn't notice until too late. Live and learn....

[IMG][/IMG]
Old May 5, 2014 | 11:46 AM
  #11  
banny's Avatar
Registered User
 
Joined: Mar 2014
Posts: 140
From: dfw
If they don't have the cork tape in stock at napa, you can pick it up at any hvac supply house. By the way, what type of black paint are you using?
Old May 5, 2014 | 06:09 PM
  #12  
Macadoo's Avatar
Thread Starter
Registered User
 
Joined: Aug 2013
Posts: 3,900
From: Central Illinois
Called Napa on Saturday and they had it in stock but they were closing and I couldn't get there in time. So I stopped by today and they're closed......forever! He might have mentioned that when I called, lol.
The paint is nothing special. A Krylon rust preventative gloss black. It looks pretty good.
Old May 5, 2014 | 06:23 PM
  #13  
MDchanic's Avatar
Connoisseur d'Junque
 
Joined: Sep 2010
Posts: 21,183
From: The Hudson Valley
Originally Posted by Macadoo
So I stopped by today and they're closed......forever!
There goes the neighborhood!

- Eric
Old May 5, 2014 | 06:27 PM
  #14  
Lady72nRob71's Avatar
Registered User
 
Joined: Feb 2008
Posts: 11,798
From: Plano, TX
When I took my condenser in for testing the shop gave me about 15" of that stuff. Any AC shop should have it. Just have some solvents handy to get that stuff off your hands - it is nasty.
Old May 6, 2014 | 04:25 AM
  #15  
Macadoo's Avatar
Thread Starter
Registered User
 
Joined: Aug 2013
Posts: 3,900
From: Central Illinois
Originally Posted by Lady72nRob71
When I took my condenser in for testing the shop gave me about 15" of that stuff. Any AC shop should have it. Just have some solvents handy to get that stuff off your hands - it is nasty.
As if I didn't read your thread like 27 times

30 feet does seem like a bit much. I'll ask around now that it's not the weekend.
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
SkylinesSuck
Small Blocks
8
Mar 27, 2015 04:16 PM
jensenracing77
Parts For Sale
3
Nov 28, 2014 06:42 PM
metalmen
General Questions
1
Feb 22, 2013 05:36 PM
jensenracing77
Parts For Sale
2
Jul 31, 2012 12:10 AM
matviar
General Discussion
9
Feb 14, 2012 06:37 AM




All times are GMT -7. The time now is 10:46 PM.