E36 heater woes! - BMW Forum - BimmerWerkz.com
3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

 
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#1 (permalink) Old 12-10-2008, 05:04 PM
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E36 heater woes!

Hi everyone,

This is my first post on here so be gentle

Appologies if it has been covered before, had a quick search and couldn't find anything so here goes.

My 1998 E36 318 has the electronically controlled heater, the dual zone type.

When I adjust the temp on the drivers side, nothing happens to the actual temp of the air coming out the drivers side vent. The controls indicate 32 degrees but the air is cold. Yet the passenger side works just as it should.

The blower works okay, aircon seems okay and engine runs fine, temp gauge in middle etc etc.

It seems as though something isn't moving under the dashboard to control the blending of the heated air on the drivers side.

By the way, the car is right hand drive.

Hope someone can help.

Thanks in advance,

John.

Aim low, play Bass!
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#2 (permalink) Old 12-14-2008, 08:06 AM
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Come one everyone, surely one of you must have some idea what the problem is.

Or do you all just hate Mustangs? lol

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#3 (permalink) Old 12-14-2008, 10:33 AM
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Have you got an auto button ?, if so put the temp both sides to 32, fan on full both sides,then press the auto button, if anything decreases put it back up,also if you have the knurled wheel on the middle vent give a few rolls back and fore, then back to red of course, I think that one of the motorised flaps is probably sticking, Oh yea turn air-con off, I had this on my 7, did this and after about 2 miles hot air just started blasting out, that was 3 years ago and all is still fine.

If the worse comes to the worse,its dash out, sounds bad but not that bad!!

Good luck.

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Last edited by marti5; 12-14-2008 at 10:35 AM.
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#4 (permalink) Old 12-14-2008, 02:33 PM
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Thanks Marti,

I will give that a go. I really do not want to have to take the dash out.

I had to do that a few years ago with my old 1989 GT Mustang coz the heater core blew. It was a nightmare job

Cheers,

John.

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#5 (permalink) Old 12-14-2008, 05:07 PM
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This is not a heater core blown, we have vents /flaps controlled via elec/hyd and sometimes after long periods of being set in one place just get a bit stuck, dont worry, all will be fine.

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#6 (permalink) Old 12-14-2008, 05:11 PM
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Thanks for that. I know it's not the core.

I suspected there must be some kind of moving parts that aint moving anymore.

Are these flaps easy to get at or does the dash have to come out.

I use the car daily and can't really afford to have her off the road whilst I fix the problem.

John.

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#7 (permalink) Old 12-14-2008, 05:23 PM
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Just do what I said in #3 then we will go from there.

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I stepped in a plate of Pasta the other day - now I have to worry about my Carbonara footprint!
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