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  #1  
Old 04-13-2006, 08:14 PM
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Location: Loganville/Atlanta
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Customer got 30 degrees at the vent with the A/C

I had a customer come in last week for some A/C work. Well I went throught he usual routine and found his compressor was in prime shape. Installed a new drier and expansion valve, vacuumed the system down for over 1 hour. Gassed it up with the Freeze 12 and BG synthetic oil and got it to 30 degrees at the vent. Pressures on the low and high side looked really good. I told him maybe you should let me raise the temp up some to keep the evaporator from freezing.

Well to make a long story short, I raised the temp up slightly but man was that air cold.

The outside temp was about 80 degrees so at around 90 or so in the summer, with a high heat load, it should do well for him.

I hate seeing people driving around in the 123 cars sweating, they really can be fixed to get some ice cold air for the summer.

So get out there and get your car ready for the summer.

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1981 300D 147k
1998 VW Jetta Tdi 320k
2001 Dodge Ram 2500 141k
1979 300D 234k (sold)
1984 300D "Astor" 262k(sold)
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  #2  
Old 04-13-2006, 08:24 PM
Mercedes is in my blood..
 
Join Date: Oct 2005
Location: San Antonio, Texas
Posts: 348
air cold, just not enough of it!

my experience has been that the blower just doesn't blow hard enough like american cars - I get cold air from the center and side vents, but too much is wasted on the windshield. My vacuum actuators are working , but I shouldn't have to "rig" the car or vents to get good cooling. My recent tint job helped the AC alot, but it still isn't as good as my chevy truck.

john
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John Hughes, was in Landstuhl, Germany but currently in San Antonio, TX


1978 280CE Astral Silver now 59,xxx miles and counting "Silber-Kugel"
1986 300E Black Pearl Metallic 143,xxx miles 5-spd daily driver w/ blk leather "Schwarz-Schönheit"
1989 190E 2.6 (euro) 5-spd Desert Taupe 112,xxx kms Had to leave behind in Germany!!! "Helga"
1983 300D Pastel Beige now 312,xxx + miles SOLD

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  #3  
Old 04-13-2006, 08:27 PM
Diesel Giant's Avatar
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Location: Loganville/Atlanta
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Your problem is not the A/c it in the vent system. You have a vacuum pod that is not moving the flappers correctly.

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1981 300D 147k
1998 VW Jetta Tdi 320k
2001 Dodge Ram 2500 141k
1979 300D 234k (sold)
1984 300D "Astor" 262k(sold)
Mercedes How-To and Repair Pictorials
I love the smell of diesel smoke in my hair
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