Re: [DML] AC clutch running continuously
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Re: [DML] AC clutch running continuously


I believe you meant 340 grams, not mg ;)
Add two more cans of that size and your A/C will be fine. Your system is way 
low on refrigerant at this moment. Taking readings when the system is only 
1/3 charged makes no sense at all. Charge it with 1kg of refrigerant and 
then check the pressures.

Good luck

Tom Niemczewski
vin 6149 (in Poland!)
Google earth: 52°25'17.30"N 21° 1'58.00"E

----- Original Message ----- 
From: "Kevin Heller" <howdyhoho@xxxxxxxxx>
To: <dmcnews@xxxxxxxxxxxxxxx>
Sent: Saturday, October 06, 2007 11:01 PM
Subject: [DML] AC clutch running continuously

>I just installed John Hervey's spliced AC lines along
> with new high pressure hub, AC orifice, and
> Accumulator/Drier. Vacuumed the system for 20 minutes
> last night and checked it this morning to find the
> vacuum was holding.
> I decided to start charging the system and put in one
> small 12oz can of R134A (340mg). After putting this
> in, the pressure gauge on the lowside is reading
> ~45psi (high on the nominal reading and low
> overcharged according to the gauge). In addition, the
> compressor never cycles and pressure reading stays
> constant at 45, all on one small can.
> Any idea why this may be? According to the service
> manual the compressor inlet screen should be checked
> for clogs. I don't recall see anything when the system
> was open, but admittedly the possibility of the inlet
> screen being clogged wasn't on my mind.
> The air coming out of the vent is slightly cooler than
> ambient. And I can see a clear liquid sloshing around
> in the high pressure hub sight glass.
> Thanks, I know it's a little late in the season for
> this lol
> -Kevin
> VIN 2234

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