one with blue cap attached to the canister and orange cap attach to the pipe going lower part of the canister? Pleased advice, thank you in advance! Omie.
Chevrolet Q&AAsk Your Question
1991 Chevrolet G Series Van (G20) Question: which one of service port to fill refrigerant in my van?
Answer #1lightsaber July 20, 2013, 12:01Technician
The high side port is a different size than the low side fill port, so the freon adapter will only fit the low side. Take the caps off and see which one it fits.
Replyomie, July 20, 2013, 17:57Rookie
thank you very much!
Replylightsaber, July 20, 2013, 19:19Technician
You are very welcome, and Thank You for the feed back response!
Answer #2pushrod July 20, 2013, 13:43Master
Agree with answer 1! Blue is the low side or charging port on the accumulator. ("canister")
Replyomie, July 20, 2013, 17:58Rookie
Thank you so much!
Lightsaber and Pushrod,
Thanks pal I made it, it was so easy appreciate you're help.
Again thanks to both of you.
Replypushrod, July 20, 2013, 18:03Master