Automotive Air Conditioning Information Forum

Thank you for the support.

Cheap Hose.
It looks like the extruder failed the last process to me.

tbirdtbird wrote: Fri May 30, 2025 5:06 am I would try cold hose in Florida. My apologies to Tim.

What are you apologizing for?
Best to make a custom hose in situations like this.

The way I read your post. You ended up charging the system back up without it in a vacuum? If that is the case, the system needs to be charged into a vacuum.

Amen.

This is a 7-year-old thread.

Tbird, thanks for the donation.

Adding the correct refrigerant for a pressure test won't harm the desiccant; Nitrogen does work, too. If you must open the system for a repair, cap the drier.

Issue:
System will not hold vacuum, post-replacement. System equalizes from vacuum in just 30mins, which suggests (to me) a rather large opening... somewhere.

I realize that negative pressure indicates an opening in a system, while positive pressure reveals it. I lack the equipment to put the ...

Cusser wrote: Thu May 08, 2025 6:13 am

GMBDguy wrote: Mon May 05, 2025 9:30 pm Should I just always replace the schrader valves on older systems while empty? Seems like its cheap insurance.

I would. Even though the cap is the "real" seal.

Well, I doubt the cap w/o a valve core would hold up well.