Question about 2001 Volkswagen new Passat

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2001 VW Passat Heater Not Working, Where Do I Trouble Shoot First?

A/C No Longer Blowing Hot Air. Is it a fuse problem or number of amps left on the battery

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I had the same problem with heater a few months ago, put my car into ththe garage, faulty water pump fixed, problem solved

hope this helps


Posted on Feb 12, 2013


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Posted on Jan 02, 2017

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SOURCE: I have an overheating 2004 vw Passat I verified

it could be the thermostat. if the car stays at normal operating temp at idle and only gets hot when you drive it is the water pump. i just changed one that never overheated at idle even when it set for an hour or more. as soon as I tried to drive it I would get a mile down the road and it would be burning hot. took the water pump off and the impeller was spinning on the pump shaft.

Posted on Jun 17, 2010

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SOURCE: 2001 Passat A/C blowing intermittant cold and

Probably a bad solder joint on the relay that controls the a/c. Had this problem with my 2004 Passat. It is well documented problem and with a soldering iron I fixed it in about ten minutes. From what I have read this is a common problem. You could try a new relay (number 384) or solder your old one as explained here:

Posted on Jun 05, 2010

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Heater not blowing 2001 vw passat

Does the heater fanwork ? Or is the heater not getting hot?

Mar 07, 2015 | 2001 Volkswagen Passat

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My 2001 vw passat blow air but not hot.replace the temp.sensor but nothin happen.

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Dec 28, 2013 | 2001 Volkswagen Passat

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1999 VW Passat heat not working

Could be your thermostat... If defective, it will not allow the engine to heat up. Take the coolant cap off before you start the car when it is cooled off. start the engine and let it idle, look at the coolant. The coolant should not be flowing or moving right when you start the engine, if it is, the thermostat is bad. If you dont have enough coolant and you see it is low, this may also cause the heater to stop working. Someone may have by-passed your heater coil, check that. Sometimes when a heater coil leaks, people will by pass it so that they can continue to use the car or they cant afford to change it. It should be located on the passenger side under the dash or on the firewall inside the engine compartment on the passenger side. Another thing could be your climate control which is a fancy name for the heater controls on your dash, sometimes the switches become defective and will not operate the heater.

Oct 25, 2012 | 1999 Volkswagen Passat

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What fuse amp and what fuse number go to 1998 vw passat v6 Into the cigarettes lighter and the one in the trunk All 12 volt spots

For 1998 VW Passat V6 the fuse box is located on the left side of dashboard behind a plastic cover (for left hand steering wheel vehicle). On inner face of the plastic cover you will find the fuse diagram.
The cigarette lighter fuse for 1998 VW Passat V6 is placed in the fuse box / relay plate fascia 1, (driver's door open). See pictures below:


The fuse box / relay plate fascia 1 diagram:

Fuse no.# 33 - F33 (15 Amp.) = Cigarette lighter

Please do rate my response. Thanks!

Jan 07, 2011 | 1998 Volkswagen Passat

1 Answer

Hi. Actually I have VW Passat 2003 which recently stopped blowing hot air through the vents. The fan is still working but no hot air. A friend tells me that the unit that regulates the flow of hot water is...

Scale builds up in the bottom of the heater core. When it gets high enough, it chokes the flow of hot fluid and the fan can only supply cool air. When mine was doing that I disconnected the in and out hoses at the fire wall and flushed it out with garden hose pressure. A lot of junk came out. I reconnected the hoses and bled the air out. It worked good immediately. Two weeks later it happened again. I did repeated the procedure with equal results. It happened again every several weeks for about five or six times, each time lasting a little longer than the last. I guess I need to flush the whole engine out to get all the junk out instead of just the heater core. BTW, the stuff that comes out looks similar to sand if you capture it in a bucket. It sinks to the bottom of the water so you can see it. It must be sinking to the bottom of the heater core, too, and that's why it chokes the flow off.

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2001 VW Passat

Ok, have your coolind system backflushed. Your heater core could be clogged. This could have been caused in using the wrong antifreeze system or mixing the green with the vw g-12 antifreeze. This could ran you about $110 to 150 dollars at a radiator shop...stay away from the Jidffy lube or oil doctor's . This could be your cheaper alternative to solution to your problem..good luck..

Nov 19, 2008 | 2004 Volkswagen Passat

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