Green stuff under car (Pictures) - PeachParts Mercedes-Benz Forum

Bansai · #1 12-09-2006, 05:52 PM

I've been "surprised" in the morning.... Green, greasy stuff definitely from A/C.

What it could be? Broken line's gasket, or hose? I guess it is just gasket and I have to replace dryer (just in case). Is it right? It looks like gas with oil blew away.

POS · #2 12-09-2006, 05:53 PM

Can't see the pics - try again.

Bansai · #3 12-09-2006, 06:16 PM

Dryer to expansion valve line.

Jackd · #4 12-09-2006, 06:18 PM

Looks like what is leaking is coolant fluid.
And I can tell you it is not the type recommended by Mercedes.

Radiator?, hose? water pump? heater core? head gasket?
Don't ignore this. Loosing coolant fluid could lead to engine overheating and $major$ engine problems.

Bansai · #5 12-09-2006, 06:27 PM

No it is not an engine coolant. My car has genuine, yellow MB antifreeze. This grease keeps DYE. I read in car's history that in June 2004 dealer added DYE in A/C system to check replaced valve fitting.

JetTech · #6 12-09-2006, 08:10 PM

Yeah that's freon dye Bansai. Looks like enough dripped out that finding the leak shouldn't be too much of a problem. From the looks of the second pic in your second post it's leaking from the low pressure line swaged end fitting. There's quite a puddle there, good luck with the fix.

Dale

86560SEL · #7 12-09-2006, 08:22 PM

Would be interesting to know what year and model of MB this car is.... not listed in the posts and not listed in the profiles.

Bansai · #8 12-09-2006, 08:25 PM

Oh.. I'm sorry. This is 2000 E320 wagon.

las769 · #9 12-10-2006, 04:30 AM

you have a freon leak.the dryer is in that corner of the car
and it has a short rubber hose coming from the dryer to the condenser
that is also in that area

Bansai · #10 12-10-2006, 09:01 AM

I'm guessing that I already don't have any leaks there, because gas is gone

.
From another forum I found out that this hose has pretty common issue. People there said that replacing routine is not so difficult for this hose. I'd like hope that they are right.
Let see

.

Bansai · #11 12-15-2006, 10:26 PM

Guys,
Do you know how many ml/cc/oz of compressor oil I have to add to A/C?
I would not like to bother compressor's lines at least they are not leaking and would like to simple replace receiver/dryer and hose (drier-expansion valve) only.
Do you have any ideas about compressor's oil quantity?
I guess that hose belch approx 20..30ml oil only. Maybe little bit more or less. Do we have any chance to measure oil in compressor? Or I have to add just 30..40ml oil in receiver/dryer and that is it?

Does anyone have any experience with such of issues?

Bansai · #12 12-17-2006, 10:37 AM

I just checked the system. Temperature was 70F outside and 30psi in low pressure line... Hm, I thought that all gas is gone...

Kestas · #13 12-17-2006, 01:21 PM

Replacing refrigerant oil when you have a partial discharge is - at best - a guess. I'm not sure what the specs are for your model, but most cars hold roughly 8 oz. (237 ml) total capacity refrigerant oil in the whole system. Refrigerant oil is typically sold in pressurized bottles where you can recharge 2 oz. (59 ml) at a time.