Passat (B5) :: 2001 - Heat Not Turning On
Sep 11, 2011
I go to turn the heat on in my car for the defrosters the other day and the heat wasn't turning on. No the slightest bit warm, would this be a thermostat problem or a heater core?
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I've got a 2001 4 motion passat and I am not getting any heat out of any vents.
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Why my Passat will not put out any heat when idling? I recently had some body work done (right front fender replaced) and it seems like this has started to happen...any possibility they didn't hook up some line...???
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I don't know if this is just me or not, but in my R when I have the heat on and turn it gets cold like there is a draft coming from somewhere. It happens in my girlfriends gli too.
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I have a 2013 GS 350. Sometimes the heat keeps blowing even after i turn the Heat/AC off.
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Why when I turn on the heat on auto mode why does the AC also turn on and then i have to manually shut off the AC?
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I turn my car on. I have no error lights on my dash. The heater and AC control unit lights up. I press the down arrow on my in-dash heater/AC control unit so I can get some cold air. I hear a hissing sound for about 2 seconds, but no air comes through the vents.
I get the same effect when trying to use the heater. Quick hissing sound, no air through vents.
Both stopped pushing air at the same time (when my ac stopped working, I tried to put out heat just to check)
I have checked al the fuses under my steering wheel and in the engine compartment using a circuit tester (w/light).
There is an AC Clutch relay fuse in the engine fuse box. Not sure if I should check that.
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Just noticed something funny yesterday while flushing my radiator. I have an 04 F350 with the 6.0. When I have the heat set to come out both high and low vents, the A/C compressor also kicks on. The pipes by the passenger side firewall get cold. If I set the heat to just come out high or low, it turns off. This is not with the defroster on. Why does this happen? Is it supposed to happen?
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The heat works fine when driving but when car is idling there is no heat, the blower is working just blowing cold air, the temp gauge reads normal???
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2004 Elantra - 65,000 miles: Heat and AC works fine when vehicle is moving. At idle or parked it just blows air.
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2003 Prius - 213 K miles on it.
Problem: Sporadic heat this winter and sporadic a/c in last summer. (Freezing to death)
I've taken it to two mechanics and they both stated that it is a electrical issue and the a/c clutch was check and it was good. It does have code 22. Where the A/C relays and the Heater relays are?
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The heat in 2001 saturn seems to take about 5 10 minutes to come on. Once it does it works fine. Is this a fuse problem?
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I have a 2001dodge caravan that I can't seem to get the engine temp up on. I've replaced the thermostat and the coolant temp sensor and topped off the coolant. It raised the heat to the first line but once the vehicle is being driven the temp drops to 0 and heater blows cold. During the summer the vehicle runs at normal temp. Have disconnected the ambient temp sensor which did nothing to better or worsen the problem.
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2005 Elantra here with 120k miles
Problem: Not heat will come out unless
1) I don't turn on the Fan Motor at all. Very Nice heat will "bleed" out of the vents as long as there is no Fan on - on any setting.
2) Lukewarm heat will come out if I am giving the car gas or revving it. As soon as it goes back to idle or I am no longer giving gas it goes back to no heat at all.
Things I have tried:
Topped up the radiator and tank (radiator has been replaced)
Water pump replaced
No leaks
Thermostat is opening ( Upper hose gets hot, Lower hose stays cold for a while and then gets hot)
Flushed heater core with a garden hose.
Inlet hose to heater core is hotter than outlet hose but outlet hose is not cold to the touch.
Radiator cap has been replaced
Car does not run hot at all
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I own 01 Prius with 223K miles, No heat or AC working. Only get outside air. Here is the code I am getting: 3, 3, 4, 1, 4, 2, 4, 3.
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I have a 2002 Prius that isn't blowing any heat. During the winter it wasn't blowing cold air so I put some freon in it and it leaked out I guess. So I added another can or two and the a/c stayed cold longer.
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I have to admit this is for my 2001 Civic EX. She warms up easily in summer and winter, never overheats, has a new thermostat and flushed radiator and gives plenty of heat when driving....but as soon as you stop at a light or sign no heat...drive off and you have heat. I was thinking clogged radiator or heater core...hoping it's the former.
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I have a '06 2.0T Auto, and the first cold day since I purchased the car was a week ago (I live in North FL) and turned on the heat, to find out that little to no heat was getting let out, so I brought it to my local guy, and said that the thermostat was probably stuck open, so he replaced the thermostat and housing for a couple hoses , and tested out the heat just now (55 degrees out), have it on 80 degrees and full blast, and still nothing. Also, usually I hear the cooling fan kick on after I shut off the car for about 5-10 secs, but haven't heard it since its not 90+ out. Its in the 70s.
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My neighbors brother has a 2000 Passat v6 4 motion. (Climatronic) Here's the issue... the car has NO HEAT!!! and its cold out side. Last night we tore the lower dash part down to see the air box, when you adjust from hot to cold the servo is moving but were not getting any heat at all. The hoses going into the heater care are hot... there are no leaks.... also tried changing the climatronic unit itself and got no where.... I have a 3 hr drive home later this afternoon.
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Having problem of not getting any heat from the vents of the car? The fan works and more than likely it isn't the Thermostat. The engine also heats up normally, it's just that the air the blows out of the vents does not get hot anymore and it's getting to be fall.
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I have a 2001 Montana. Recently I have no heat/air movement via the defrost vent. All other setting work along with fan. Plenty of heat when set on floor or dash vent. Just doesn't work with the defrost setting in either alone or with the floor.
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