Question about 2001 Mercedes-Benz C-Class

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Mercedes Benz 1995 C220 Air Conditioner

My car air conditioner blows cold air out the passenger side and hot air out the drivers side. Regardless of what setting I use the right side gets cold air while the left side gets hot air. I sense its a flow valve somewhere that's malfunctioning, but should be easy enough to fix since everything else regarding the air conditioner is fine. However, I have been told that the only way to solve the problem is to dismantel the whole dashboard. As you know this is very labour intensive and could cost $1,000.00.'s

Is there a short cut possibly, through a process of elimination, to get to the root of the problem?

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  • 15 Answers

Got one valve which control the coolant flow in for the heater..
it was sit under the front wiper cover..
some time it block.. and maybe u can knock the valve...
i tried one time the mercedes also.. one side cool one side hot..
the valve is block.. after i knock it.. it become ok...

Posted on Mar 04, 2009

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You my the vacuum valve and vacuum connection,open your hood,left side near windshield,remove the cover ,make sure all vacuum connection are fitted..one vacuum valve maybe deff. or not proper connected,causes hot air come.

Posted on Feb 19, 2009

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jasperoni
  • 203 Answers

SOURCE: My air conditioner won't blow cold air. It just blows air.

Hello I'm a M.B. tech. 1st you need to know why the freon is low. Hopefully it just needs to be serviced. There is a component located in the lf of the engine compartment called a receiver drier. It soaks up the moisture in the freon so the gases can work the way they are supposed to. On this unit there should be 2 switches(I believe they were combined into one switch in 98. 1 switch is a temp switch that operates your electric fans, the other is a compressor cutoff switch. Assuming the compressor is not coming on-take a fused wire and bridge the 2 contacts- If the compressor does not come on at all there is another problem(it is not low on freon. On the condenser there is a high side port(it is the bigger of the 2)By the brake master Cyl.(lf of the engine compartment thereshould be a smaller low side valve in line with the fuel cooler hose. Usually you can hook up a machine to the low port and **** freon in through that port. Assuming you do not have a refrigerant machine. It is very self explanatory on the bottle of r 134a refrigerant which can be purchased at your local auto supply store. I would start with 1 lbs. and add dye with the freon in case there is a big leak. If the system is overcharged it will not cool properly. I believe the system capacity is approx. 2 lbs. Add a few ounces after the first pound until a/c system is cooling properly and the electric fans are also coming on when the system gets to high. If you get a can with a good Gage set on it you should see the high side between 150 and 2000 psi(fan coming on at max. press.) also the low side should read about 35. It is about the temp of the evaporator which is i=located in the dash and the blower blows through this component out through the vents. Hopefully I have been helpful.

Posted on May 28, 2009

ajarema
  • 404 Answers

SOURCE: ac blows hot on the left side an cold on the right

Are there two separate adjusters for left and right, most of the Mercs had them, so the driver could have a different temp than passenger

Posted on Jul 21, 2009

  • 246 Answers

SOURCE: air conditioner isn't blowing cold air

Could be a number of things...electrical connections causing the compressor not to run. Turn on AC and turn your thermostat all the way to cool...now visually check to see if compressor is engaged and not just free wheeling. Most likely you lost your refridgerant due to leak in the system...would need to find leak and repair then have your system re-charged with refridgerant. Best case scenario...your system just needs a charge of refridgerant due to not having enough.

Posted on Jul 25, 2009

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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Hi,

Looks like your ventilation system is not functioning.
Under your dashboard is the ventilation housing, flaps that directs air from one point to another are stuck up or the one that controls it(mostly vacuums hoses and solenoid) is not working anymore.

The work to be done is to pull out the whole dashboard to gain access in that area.

I suggest you should bring that to your dealer or garage shop to fix that problem.

Hope that helps you!

Thanks for asking Fixya!

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