Passat (B5) :: Climatronic System Not Blowing Heat
Sep 26, 2007
I noticed about a week ago (on a cool morning) that my Climatronic system would not blow heat. I played around with it briefly by adjusting the temp settings and how the blower was working.
If I set the temp to High heat would blow out for like a minute but anything else would just blow cold air.
If I set the temp to High and turn Econ on I would get hot Air.
No other settings would generate heat. I VAG Commed my car and there were not fault codes!!!
I took my car to my normal indie shop and they also were puzzled by this. They re-ran a vag com and nothing for them either. The heater core was flushed recently with the resting of my coolant system when my TB was done.
There is no sign of leakage for the heater core but I'm super puzzled to what the problem may be.
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I have a 2004 Touareg with a 2-zone climatronic system. A while back (hard to quantify exactly), my wife noted that she couldn't ever get warm on her side. I stuck a temperature sensor in the vents and cycled through the temperature settings on both sides. On the driver's side, the air varied with the setting. On the passenger side, it did not.
The absolute biggest problem I'm having, is that here in Florida, I get ice cold air blowing on the bottom of the windshield which causes significant fogging. I can adjust the air to blow away from the windshield, but I obviously get some "blow around" and end up with spots of condensation on the outside of the window. The condensation is almost solely on the passenger side.
I pulled the dash off and replaced the temperature sensor on the passenger side. It actually fixed the problem -- but that "fix" only seemed to last about two or three weeks. After measuring temperatures, the temperature tracked with the setting -- on both sides. Now, the problem has returned and I'm ready to replace the damper motor for the mixing damper on the passenger side. But, after reviewing the eBahn manual, they need the VAS 5051/5052 to intiate a "service position". . . I obviously don't have the VAS 5051.
So, my questions: Is it damper actuator? I also understand the climatronic module "could" be bad. Could the second temperature sensor have actually gone bad? Can the VAG-COM be used to intiate the service position? If not, what are my options?
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I have a passat B5 2.3 VR5 with aircondition and I have been thinking about to build a climatronic system in the car I did have a climatronic in my old passat B5 V6 TDI and I was so happy about it, The refit part are not the hardest thing, but what about the wiring part? do people rebuild their own wiring system, or is there made a wire kit to the climatronic system.
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So the problem seems to be the climatronic system is constantly trying to adjust the temperature but the problem is that the motors or servos are making an annoying ticking noise as it adjusts. I already had the blend door assembly replaced but the noise is still there. My Touareg has climatronic and doesn't make any noise, so don't believe I should be getting this noise in my Passat. Service advisor claims its normal to make some noise since his Passat does the same thing, but I don't buy that. So who has had the same issue and got it fixed properly? What did they replace?
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2002 Passat v6 - climatronic control...
I have just cold air blowing at idle and under load. I have read posts and checked the following: temp remains at 190, heater coil hoses-both are hot and removed the dash to see if the flapper door (red arm) was moving-it is. Any other things I can check?
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I have a 2002 Passat that is only blowing cold air when it is supposed to be heat. I have checked the following items:
1. Both heater hoses are hot at the heater core which would indicate that the core is not restricted.
2. Air has been bled at the heater core and the antifreeze is at the correct level.
3. Car thermostat is operating correctly and maintains a steady 190 to 195 degrees.
4. When temperature control lever is moved from "cold" to "hot" the air noise definitely changes like a damper is moving but there is no change in air temperature. This is a manual control with cables (not digital read-out).
From what I have read so far I am convinced that there is a problem with the blend door but referring you back to #4 (air noise change) I believe that the cable is moving the damper. Can the blend door be accessed on this car without removing the center console? Can it be accessed through the glove box area?
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I purchased an '07 Touareg within the last 30 days. Right after purchase, I began to hear a tapping/flapping sound from the front passenger side, seeming to be somewhere in the dash.
I currently have it at the dealership and have been getting mixed answers. First they thought it was something they could fix and today I was told that it was a "normal sound on a Touareg".
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I have a 1999 passat and want to reset the climatronic. I have tried to press and hold econ and air up together but no luck ...
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Halfway into a 2 hour trip away from home my climatronic died. The display is blank and no air is moving through any of the vents. This was a big problem since I encountered a heavy rainstorm and my only means of clearing the windshield was my handkerchief. I checked the fuse and it seems fine. There was clicking in the dash prior to this happening. I looked at the relay and it seems fine but I wouldn't know what a "bad" relay looks like.
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My climatronic/air conditioning just failed on me for no real reason that I can tell. It was working perfectly this morning.
Now, the system blows only warm air, and on the display where it *should* say the outside temperature, it displays "--0" and then the Celsius sign.
This is a 2002 GLX 4mo, if that makes a difference.
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I have cut of the battery, and when I reconnected it and turned the ignition on the climatronic display was blinking for approx 10 seconds, and after that worked normally. What could happen to it?
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When car is on , I am hearing a subtle knocking/popping sound I thought was from climate control but not so as even when it's off i hear it. It sounds like a popp noise from maybe passenger side. What component might be doing this?
'02 GLX
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I have a 2006 Passat 2.0T (UK Model), and I'm having trouble with both the outside temperature reading and the climatronic's cooling ability. When I bought the car the air-con was blowing cold and warm air without any problems, but the "cold" air is just a little too warm to be working correctly. I've had the system re-gassed but this didn't solve anything.
As I said, all the features of the air-con work perfectly, it's just the cold air just isn't cold enough - so it seems to me that the compressor is working fine. Also, the outside air temperature reading on the MFD reads about 5-10 degrees too warm. Would this have anything to do with the air-con issue?
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My climatronic has been goofy since I bought my 2000 v6 4mo. In the winter my heat never got really hot and now in the summer my A/C work sporadically. I had the thermostat changed along with the full timing belt service. I'm hoping I'll get full heat come september. My A/C, however works less and less often. The tech who did the timing belt change etc. said that there was a lot of pressure at the condenser, but that he thought a flap may have been stuck. he checked those and they are fine. The last two things he said should be checked are the external temp gauge(which is way off, reads 22'F when its like 85 out) or possibly I need a new climatronic head unit.
My questions are esentially these; Does the climatronic use the outside temp gauge to determine cabin temp? Do head units fail often? Are there temp sensors in the cabin other than those built into the climatronic head unit?
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My car is blowing cold air but no heat at all. I checked the codes and it's throwing a B1 1-3-1. It's also throwing a A7 1-2-2. a buddy of mine is a mechanic but not too familiar with Volvo's. But he said that he thinks the B1 1-3-1 Driver's side air duct short is the problem. Is this the problem and how do I fix it?
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Heater on wife's 03 Camry stopped working today. 4 cyl. Fan still blows. No heat. Troubleshooting ?
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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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Temp knob is turned full to hottest setting and heat only blows warm. I checked the hose from the IACV and hose from just past the Thermostat housing and they are also hot. Where the hose enters the "Damper" just outside the firewall, it is hot but the small portion of hose after the damper into the firewall is only moderately warm. Is it possible that damper is clogged or is the heating coil iside the car clogged?
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My heater seems to not be blowing as much hot air as it used to in my 01 Accent GS 1.6 L. The air is warm, but it is not warm like it is supposed to be. All selectors work well eg. fan speed and temp selector. Engine is running normal operating temps too. So in the end, it takes forever to get warm in the car, and to keep it nice and warm, it has be on fan speed 3. if not, the car will lose the warm air faster than it can push it out.
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My R stopped blowing any air. I can just barely feel warmth coming from the vents, but blower is not working... I looked for some threads on this but nothing.
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We have a 2006 GX470, 90,000 miles no problems with car until 6 mths ago. A/C has been deteriorating since last yr. This summer charged twice lasted ok for few weeks. Problem initially was wouldn't cool when car was idling, only worked when going 50+mph. A/C charged worked better for 3 weeks, then drivers side not cooling but rest of car somewhat cool. Issue today is drivers side blowing out heat & rest of a/c vents barely cool at all. Told by Lexus need to rip out dashboard to get to compressor to check & fix leak. Last look by Lexus added 2 lbs of refrigerant 3 weeks ago & now completely not working.
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