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2010 328xi - No heat
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10-18-2011, 09:34 AM | #1 |
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2010 328xi - No heat
My wife's 328xi doesn't seem to want to blow hot air in the cabin. Someone suggested to check all the temp settings in iDrive, but there's no iDrive on this car.
After a "spirited" drive of 30 or so miles last night, it still didn't want to blow hot air. That's with both temp knobs turned up to 84 degrees and the dial on the dash turned to red. I don't think the thermostat is stuck... we've not had any issues with overheating. I get a bit of warm air out of the passenger side vents both top and in the footwell, but only cool air out of the driver's side. I'm guessing a blend door is stuck or maybe a stepper motor is shot? Anyone have any ideas before I take a 120mi drive back to the dealer? |
10-18-2011, 09:47 AM | #2 | |
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I think you'll need a trip to the dealer. Anything you try yourself may leave you with warranty problems. |
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10-18-2011, 11:35 AM | #4 |
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10-18-2011, 09:33 PM | #5 | |
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1. there's a knob on both the rear of the center console, and on the center of the dash. It's a wheel with a line on it. Turn that all the way to red. That will direct slightly warmer air to come out of the main vents. 2. Make sure the AC is turned off (green frost icon). I know it sound obvious...but I've driven cars where if it's in the auto mode and you turn the AC off, the car reverts to just an air circulation program... 3. Turn off auto climate control, jack up the temperatures, and direct all the hot air to blow out right at your face. 4. Try the defroster and feel for hot air being pushed towards the windshield. See if any of that works. if none of them work, then a trip to the dealer wouldn't be a bad idea. |
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10-19-2011, 04:28 PM | #6 | |
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Thanks for the replies! |
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11-04-2011, 09:38 AM | #8 |
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Update: Heater core is clogged... dealer is replacing now. I'm glad this is a lease as I don't know what the implications are for the entire cooling system if crud is getting trapped in the core.
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11-04-2011, 10:19 AM | #9 | |
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Tom |
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11-04-2011, 01:29 PM | #10 |
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Not yet... awaiting full postmortem. The new core won't be in until Monday, so they won't pull it apart until then. I have no idea if this is a common issue or not, but, like you, I suspect this is a rare problem. They did not indicate how they came to this conclusion (and I haven't asked yet).
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11-11-2011, 01:30 AM | #11 | ||
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11-11-2011, 08:59 PM | #12 |
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Any news?? Is it fixed??
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11-13-2011, 03:50 PM | #13 |
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11-13-2011, 05:09 PM | #14 |
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thats likely NOT a heatercore..a clogged/defective heatercore would cause little to no heat...not heat on your feet and not on top..possibly side to side though due to a split heatercore but i forget if e9x have that or not without one in front of me. The most common issue ive had in e9x with a lack of heat is actually a radiator issue which causes coolant to move too slow through it thus it cools down too much=lack of heat.
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11-13-2011, 11:42 PM | #15 |
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1500 or so....don't really remember it was last year.
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11-14-2011, 06:20 AM | #16 |
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Update: mine is fixed. The replacement heater core did the trick. Obviously covered under warranty, so $0 out of pocket. I will say I'm pleased that there are no squeaks or rattles after they put the dash back in. Everything works as expected now.
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11-14-2011, 09:34 PM | #17 | |
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(remember there is dual climate control)
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11-16-2011, 12:01 PM | #18 |
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11-19-2011, 05:46 PM | #19 |
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it would make sense as long as you also have decent heat on every other setting on the drivers side...
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11-27-2011, 03:25 AM | #20 | |
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11-28-2011, 10:48 AM | #21 |
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