Automotive Air Conditioning Information Forum

You are right.
Now its functioning as it should. My bigggset woryy was on the evaporater. Luckily its okay for now. To replace that you need to get whole dash out and puttuing it back without getting any creeks , nobody can.

Replaced the PRV o-ring and the clutch bearing.
Vaccd and held for almost a day. Regassed till the suction line started crying and now its icy cold.
Data at 1500 RPM
ambient temp - 33 C
High - 230 , Low - 32 psi.

Yet, on & off there is a screach when the clutch bites in and vainishes after a few ...

Removed the PRV and I don't see it's ruptured or damaged. But it has no rubber sealing ring , only a thin steel washer.
Can I replace that thin wassher with a NBR o-ring?

Removed the PRV and I don't see it's ruptured or damaged. But it has no rubber sealing ring , only a thin steel washer.
Can I replace that thin wassher with a NBR o-ring?

Here is the photo of RD cut opened.

I have visually obseved the compressor and with noise the centre hub stop/go for a while and once it rotates with the compressor, the noise is gone.
The compressor is located very close to the radiator and no space. Doubt I can get the pulley out. Managed to remove the hub with a struggle.

Anyway ...

Any idea about that noise?
It's not the belt. Could it be faling clutch coil?

Also, heard rarely, whoosing momentarily (sometimes even without AC on)from the compressor area. could the high pressore valve(not sure what it is?) on the discharge line do this?

Hi,
I'm back again with no AC.
This time no cooling but screaching noise from the compressor. Re-tighten the AC belt but no luck
Got the set of gauges and
idling, AC off, ext. temp 32 C (but tested inside gaurage)
Hi- 100, Low - 90 psi.

AC on,
Hi - 125, Low - ( -5) psi

1500 RPM
Hi: 125, Low : 5 ...

I cut open the RD and it's holes are all blocked with some light brown colour dust like wet thing. Got few pictures but can't get them to shrink to post here.

Car is fine and hope it remains so.

Initially, I got the system vaccd and within 30mts it dropped to 20. So I vaccd again and put some gas ...

Ran for two days now even with outside temps reaching 32 C , it performed well.
Yes, I will keep the old TXV as what I put in is some Chinese TXV.
No I didn't measure the charge, only did it by sweatness on the suction line. I don't have the equipment.
Buying a new compressor is a NO go, very very ...