Automotive Air Conditioning Information Forum

Posted: **Wed Aug 18, 2021 7:53 am**

Hello all,
I have a gauge set which has connectors that do not fit onto my AC service ports.
It looks like the hoses that come with the gauge set are for an R12 refrigerant instead of the r134a which my vehicle uses.

I've attached some pictures, two of the connectors on the car and one of the connector from the hose that goes to the gauge set.
Does anyone know if an adapter is readily available so I can use this gauge set on my car.
Thanks
R

Posted: **Wed Aug 18, 2021 8:28 am**

Tim the owner here has them at ackits.com
https://www.ackits.com/r134a-service-co ... %20coupler
MT0408

you will need brass adapters to get from your hoses to these couplers.
Call Tim, he is very helpful

There are cheapies out there which have a depressor which is too large in diameter and causes the schrader cores to stick open, so be aware
You screw the thumbwheel clockwise to open the port, and CCW to close the port

: Screenshot 2021-08-18 at 10-29-27 R134A SERVICE COUPLER SET.png (55.83 KiB) Viewed 9647 times

Posted: **Wed Aug 18, 2021 9:29 am**

TBird, those won't work with his hoses. Need the old R12 to R134a couplers. He could buy couplers and hoses. But better just to buy a new set of gauges.

R134a Brass Gauge Set

Posted: **Wed Aug 18, 2021 9:35 am**

Wow, that is a super price!!!

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