filled by mass I thought. should have been 40 oz, I put in 2 cans so should be less than 24 oz, yet the pressures seem wrong. I put in 2 cans without even looking at the guages because it should have taken 3+ cans

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1982 300CD Turbo (Otis, "ups & downs") parts for sale
2003 TJ with Hemi (to go anywhere, quickly) sold
2001 Excursion Powerstroke (to go dependably)
1970 Mustang 428SCJ (to go fast)
1962 Corvette LS1 (to go in style)
2001 Schwinn Grape Krate 10spd (if all else fails)

expansion valve issue...

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1985 300TD Turbo Euro-wagon
1979 280CE 225,200 miles
1985 300D Turbo 264,000 miles
1976 240D 190,000 miles
1979 300TD 220,000

GONE but not forgotten
1976 300D 195,300 miles
1983 300D Turbo 175,000 miles

http://i42.photobucket.com/albums/e3...e485-1-2-1.jpg

JH is right on the money here. Filling by weight is MUCH more accurate. I use a cannister and a charging scale which most folks don't have, but you usually can get closer by charging with a certain number of cans, even if you're guessing for that fraction of a can, than charging by pressure, especially with the junk refrigerants.

A heated charging cylinder makes it even easier yet. Nearly fool-proof, and you can start charging as a gas without running the compressor until the very end.

so still something is strange. it should have been 2.6 pounds, I put in 2 cans which isnt even 2 pounds

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1982 300CD Turbo (Otis, "ups & downs") parts for sale
2003 TJ with Hemi (to go anywhere, quickly) sold
2001 Excursion Powerstroke (to go dependably)
1970 Mustang 428SCJ (to go fast)
1962 Corvette LS1 (to go in style)
2001 Schwinn Grape Krate 10spd (if all else fails)

Lutz, that pic of the green canister holder is what I have. I thought I was going to get pics, but dealing with my daughter's car accident made pe put everything on hold...Sorry man!

What are your pressures?

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RRGrassi


70's Southern Pacific #5608 Fairmont A-4 MOW car

13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete.

91 W124 300D Turbo replaced, Pressure W/G actuator installed. 210K

90 Dodge D250 5.9 Cummins/5 speed. 400K

This leaves air in the refrigerant line connected to the can. You should purge the air from this line before you use the above procedure.

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Bob
'82 300D Petrol B-G Metallic

I used the freeze-12 charge line to my center port on my guage. It has a purge nipple so I did purge the supply line before opening the valve to fill the car

pressures at idle, 85 ambient temp, 57 vent temp. my flappers do not seem to be working so this is fresh outside air all the time.

at idle low side 40, high side 225

at 1500 low side 25, high side 240

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1982 300CD Turbo (Otis, "ups & downs") parts for sale
2003 TJ with Hemi (to go anywhere, quickly) sold
2001 Excursion Powerstroke (to go dependably)
1970 Mustang 428SCJ (to go fast)
1962 Corvette LS1 (to go in style)
2001 Schwinn Grape Krate 10spd (if all else fails)

Not if you evacuate it with your pump, when you do the car. If the valve at the can is closed, but the line is open to the pump, it will be evacuated. That was my intention.

But yes, you could also purge the line of air. Releasing a bit of refrigerant to purge the lines is specifically allowed per the EPA. And not just a good idea if you didn't evacuate the line with your vacuum pump, but it is essential.

I filled my car with R-409 it worked well and i just went by the sightglass if you see bubbles in the glass then you need to add a little more, freeze 12 reqires about 20% less in the system than r12.

Also, if you REALLY want cold temps add a shot of r22 to the mix, then you will be seeing crazy low temps.

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Have you ever noticed that anybody driving slower than you is an idiot, and anyone going faster than you is a maniac?

As long as they would add one additional commandment for you to keep thy religion to thyself.
George Carlin (Wonder where he is now..)

1981 240d (engine donor 1983 240d) recently rebuilt engine hurray! - No more.. fought a tree and the tree won.

pearl black 1983 240d 4speed (Converted!@$$%) atleast the tranny was rebuilt.

I would suggest not putting this sort of information on a public forum.

Many of the inexpensive can taps (such as the one shown in the photo earlier in this thread) don't have valves at the can.

All I'm trying to say is that it is critical that air not be introduced into the system. Take any and all precautions and preventative measures.....

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Bob
'82 300D Petrol B-G Metallic

And it is a good suggestion. If you don't know for sure that you aren't putting air into the system, you probably are. And of course, any air in the system is really not good at all.