99 Burban high side ac schrader valve

[Bruinpilot]

My 99 buban's ac is leaking from the high side schrader valve. Can I replace just the schrader valve, or does the whole fitting with both th low and high sides have to be replaced?

 

[zora]

doesnt the valve core unscrew and you just replace it? Then you have to evacuate and recharge it.

 

[VanGo]

I think you just replace the core. That's the easy part

 

[Bruinpilot]

I have heard that on some Chevys the high side valve core can't be replaced. If it can be, there is a tool which will keep the pressure in while you change the core allowing you to avoid having to vacuum out the system and completely refill it. I just didn't want to pony up the $60 on this tool only to find my suburban was one of those Chevys where the high side core doesn't come out...

 

[zora]

did you actually look at the valve to see if you have the valve below which can be loosened with a tire valve tool just to see if it is removable?

http://www.1aauto.com/a-c-schrader-..._content=ACD&gclid=CKumsc-s9cECFWYQ7AodjGUAHQ

 

[Bruinpilot]

My valve is different. It is a shrader type but the outside is hexagonal to accept a wrench. I'm hoping just to replace the core as I don't want to buy a vacuum pump... I may just take a gamble on the core removal tool in a few days here anyway...

 

[zora]

this thread sounds like what you are trying to do

http://www.justanswer.com/chevy/3se8f-99-chevy-suburban-started-leaking-r134.html

 

[VanGo]

My valve is different. It is a shrader type but the outside is hexagonal to accept a wrench. I'm hoping just to replace the core as I don't want to buy a vacuum pump... I may just take a gamble on the core removal tool in a few days here anyway...

You know you can borrow a pump from the major parts stores if you need to right?

 

[Bruinpilot]

Zora, thanks for the link. That is exactly what I needed. I didn't know they rent vacuum pumps at most parts stores. I will check mine and see if they have one.