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Location for vent line heater element - S-Class Mercedes-Benz Cars & Trucks

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Posted on Jan 02, 2017

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i have problem with my car w211 e320 cdi
foult code is p2514 vent line heater r39/1 circuit
dont know whats is that

Posted on May 26, 2011

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1986 Chevy Nova - the defroster/heater vents stopped working. Any ideas? Before they found the found the fuel filter, they messed with the air filter. Could that be the problem?

If the air vent mode doors are vacuum operated, (though some are cable operated), they could have disconnected a vacuum line from engine. A vacuum diagram sticker should be located under the hood. The a/c hose will be listed as (HVAC hose).

Jan 15, 2014 | 1986 Chevrolet Nova

2 Answers

Air doesn't blow out of heater/ac vents

There is a possibility that the fan may have came off The motor shaft/spindle which has to rotate to blow the air to the vents

Oct 16, 2012 | 1995 Honda Accord

1 Answer


i have problem with my car w211 e320 cdi
foult code is p2514 vent line heater r39/1 circuit
dont know whats is that

Jan 27, 2011 | Mercedes-Benz Sprinter Cars & Trucks

2 Answers

Where does 97 astro van get vacuum from (or does it) to move dash selector for def/floor/ vent. I have one that is stuck on def. only no matter where u move selector

check and see if you are getting vaccum to your vaccum ball under the hood.if you are then follow the vaccum line that goes to the inside of the vehicle until you find the vaccum leak.

Jan 03, 2011 | 1997 Chevrolet Astro

1 Answer

I have a 2002 chevy silverado 1500. I'm not sure if it's heater core or if it's a hose. The needs coolient light keeps coming on and the smell of coolient and vapor/steam is coming out of all the vents....

The heater core is located on the passenger side behind the blower motor. It's fairly involved process to remove this thing. You can see the heater core lines entering the cab from the engine compartment. You'll need a lot of patience and the ability to contort yourself to get this thing out. Get a Haynes manual to guide you through the process, money well spent in my opinion.
Check the lines to see if they are tight, the ones in the engine compartment that enter into the cab. More than likely though, the core has a pin hole in it and the coolant is being sprayed around by the blower fan, which would explain the steam from the vent and odour. It is possible however, that a hose is leaking on the engine somewhere and it is being drawn in by the fresh air vent located near where the wipers rest.
Is it pooling on the floor mat or is the carpet wet? Then it's a breech of the core. Careful around a hot system, you can be severely burned by hot coolant.

Dec 28, 2010 | 2002 Chevrolet Silverado 1500

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My heat want get hot but it blows

For one reason or another your heater core is not recieving any circulation. It could be a frozen heater switch valve or ( diverter valve ). That is located in line under the hood on one of the heater hoses running into the firewall. Check it for operation. If that is okay check for plug in heater hose or a pinched condition of supply lines. If the blower blows but you dont feel any air movement then the
air control gates under the dash arent working. They are vacuum controlled and hoses get old and crack and break or pulled so check all the vacuum elements on the climate control center under the dash. If you feel air but not from the vents then a length of duct work came disconnected or it cracked somewhere.

Nov 18, 2010 | 1988 Lincoln Town Car

1 Answer

2003 dodge ram quad cab 5.7 hemi. a/c and heater vents won't open or close all the way. when set to 'dashboard only' on the control, it barely blows any air through the vents even though the fan is on...

All your vents are controlled by two things. one of course is the dash swicth. when you turn the switch to the psition you want it at in pulls vacumm to a diaghram that opens the blow door for the setting you chose.In my years of fixing these its usually has been a broken vacumm line under the hood.start the vehicle and listen for a hising noise or like an air leak ;follow the vacumm lines that are visible. the other problem could be a bad switch element and dodges are notorious for these.hope this helps

Apr 16, 2010 | 2001 Dodge Ram 1500 Truck 2WD

1 Answer

The heater has a musty smell,I suspect i need to

It sounds to me if you are having a "musty smell" then you might have a problem with your condensation drain line for you a/c system or a small leak on your heater core. If it is plugged then water will collect in the vent system causing a musty smell from the water not draining and if there is a small leak on the heater core then coolant can collect in the vent system. I would run the a/c on a warm day and look for water draining from the vehicle around where the dash is located to check the drain line. As far as your air cabin filter most are located behind the glove box. You usually need to remove the glove box to get to the filter.

Dec 14, 2009 | 2001 Mazda Tribute

1 Answer

I have a Ford E250 4.6V8. While accelerating the A/C vents in dash cut out. The vent goes to either defrost or the floor. I took this van to a mechanic, they smoke tested the vacuum lines. The lines tested...

usually the check valve is in the engine compartment. look on the pass side at the heater box and see if the vac lines have a check valve in it it should be a grey or black line

Jul 11, 2009 | 2004 Ford E250

1 Answer

1986 560SL. The A/C works, but the center dash vents have no air venting from them...even when the blower is turned on. Help!

hello, seems you have problem in your left and right center nozzle flap,the control of all vacuum line is located in back of your globe box,try to remove the box,check all vacuum line,or try to remove your under dash,look for vacuum element for center nozzle,maybe disconnected the vacuum line,ty

May 07, 2009 | 1986 Mercedes-Benz S-Class

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