Schrader valve seal can it be replaced

Tiny
JIMBOB048
  • MEMBER
  • 1999 CHEVROLET TAHOE
  • V8
  • 4WD
  • AUTOMATIC
  • 110,330 MILES
If the shrader valve seal has gone bad on the high side of the A/C system, can it be replaced or do you have to replace the whole hose assembly?
Saturday, October 25th, 2008 AT 10:47 AM

1 Reply

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

The shradder valve should have an O-ring that keeps it sealed. The O-ring can be replaced with a correct type and size O-ring. Keep in mind that there are specific type of O-rings for A/C lines and that is what needs to be used.
Before changing the O-ring you will have to evacuate the A/C system.

Here is a video of how to discharge the AC system properly:

https://youtu.be/4EqdrBVb0sY

Please let me know of any questions.
Thank you.
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Friday, November 5th, 2021 AT 8:38 AM

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