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Re: adding freon (archive)
[ Follow Ups ] [ 6-series (E24) Message Board ] [ Msg. Board FAQ ]
Posted by Winston on April 28, 2001 at 19:49:54:

In Reply to: adding freon posted by JOHN on April 28, 2001 at 18:06:51:

Don't use the one by the sightglass this is the high pressure line or liquid line and may cause an explosion of the freon can your using to recharge it. The thicker tube is the correct one it is bigger because it needs to move alot of gas. If your charging without gauges put in enough so that you only see a few or one bubble per second going by the sightglass. If you have no bubbles going by you've overcharged the system.

Good luck,

Winston


I have an 87 635 csi. To add freon to my ac system, do I use the valve by the sight glass located at the passenger headlight? There is another valve closer to the rear of the engine, but this tubing looks much thicker. I'm figuring this is the high pressure line. While the sight glass tubing is thinner. My Bentley doesn't identify the proper valve. I'm not enough of a mechanic to do this without guidance. Thanks in advance.

PS I have a rear ended 86 535i if anyone wants some components.




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