General Tech Help Good at troubleshooting? Have a non specific issue? Discuss general tech topics here...

Replacement for discontinued A/C Pressure Switch 21030824

Thread Tools
 
Search this Thread
 
Old May 24, 2023 | 06:23 PM
  #1  
martrw's Avatar
Thread Starter
|
Junior Member
Joined: May 2023
Posts: 2
Default Replacement for discontinued A/C Pressure Switch 21030824

2000 SW2 with leak detected at switch located on high pressure A/C line. GM part 21030824 is discontinued and I have not located a replacement. Santech and Dorman both have similar switches although the keyed connector does not have the flat orientation face on the electrical end. Has anyone located a suitable replacement which will screw onto the refrigerant line and operate with the 134A refrigerant pressures. I recognize that I will have to replace the wire connectors to match whichever switch works. Thanks for the help.
 
Old May 24, 2023 | 06:49 PM
  #2  
derf's Avatar
Super Moderator
Joined: Jul 2005
Posts: 12,315
From: Slightly off center
Default

I don't believe we've had an inquiry on that particular issue.

Is the leak where the switch meets the metal line or is it actually leaking through the body of the switch?
 
Old May 24, 2023 | 07:01 PM
  #3  
martrw's Avatar
Thread Starter
|
Junior Member
Joined: May 2023
Posts: 2
Default

Leak detector indicates on the body of the switch and not at the switch to line connection.
 
Old May 24, 2023 | 08:39 PM
  #4  
derf's Avatar
Super Moderator
Joined: Jul 2005
Posts: 12,315
From: Slightly off center
Default

Well that totally sucks.

Try these folks
http://www.saturnautosalvage.com/

I know absolutely nothing about them. I never came across them before. I see no reason why a switch taken out of a wreck would be damaged unless it was hit in the collision. If the Hood is still there then it has not been out in the rain.

I think several people have tried oemcats.com. I have not and cannot give you an opinion.

Your other option is to take out the sensor and cap or plug the space for the sensor and install a permanent jumper across the terminals of the wiring harness. The downside is of course that you run the risk of not being aware of an overpressure or under pressure situation and can therefore unknowingly destroy your compressor. With a full gauge set, you can periodically monitor the pressures to ensure everything is as it should be.

This is not a recommendation to do so. Only pointing out it is an option.

Finding one in a junkyard should be reasonably easy given how many different Saturn vehicles used that same switch. You can get two while you are there in case one is defective if the cost is not too high.
 
Old Jun 9, 2023 | 06:43 AM
  #5  
derf's Avatar
Super Moderator
Joined: Jul 2005
Posts: 12,315
From: Slightly off center
Default

So what did you do?
 
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
dougonbay
Saturn 3 Door Coupes
14
Mar 5, 2022 07:02 AM
oifish
Saturn S Series Sedan
10
May 7, 2013 08:40 PM
cadman33619
Saturn S Series Sedan
2
Sep 2, 2012 06:49 AM
mike82
General Tech Help
11
Jul 12, 2011 09:01 AM
thok
General Tech Help
3
Jun 27, 2009 11:23 AM




All times are GMT -5. The time now is 06:14 AM.