Why my aircon air is low when i drive for 20min? - BMW.SG

waltergoh · #1 (**permalink**) 27-08-2007, 01:31 AM

When i am driving my 2000 BMW318i for abt 20-25min I am experiencing this....
The aircon air coming out of the vent seem to have this "choked" problem. Cool air is still blowing out but is very very low.

I need to switch to Maximum Fan mode and let it run for a few second and it lasts for a while before the problem comes back..

Has anyone experienced this before?

waltergoh · #2 (**permalink**) 31-08-2007, 01:31 PM

No one know whats the problem or have the same problem before?

phil · #3 (**permalink**) 31-08-2007, 01:47 PM

Initially i thought you had it on auto mode, to which that will happen

centurion · #4 (**permalink**) 31-08-2007, 01:51 PM

after 7 years it's a good time for servicing the condenser

VenomX2 · #5 (**permalink**) 31-08-2007, 02:10 PM

you might want to get to a shop that can figure it out. It could be a leak in the system, etc... Had problems with my aircon as well and they did a UV check and found a leak from the aircon coil.

centurion · #6 (**permalink**) 31-08-2007, 02:36 PM

Quote:

Originally Posted by VenomX2

you might want to get to a shop that can figure it out. It could be a leak in the system, etc... Had problems with my aircon as well and they did a UV check and found a leak from the aircon coil.

I say that it is not a leak. Because there is still SOME cool air coming out. I think the condenser coil is so dirty. If there is a leak, the ECU will STOP the aircon to protect everything.

VenomX2 · #7 (**permalink**) 31-08-2007, 02:42 PM

Quote:

Originally Posted by caySman

I say that it is not a leak. Because there is still SOME cool air coming out. I think the condenser coil is so dirty. If there is a leak, the ECU will STOP the aircon to protect everything.

If not a leak then could be the temperature sensor/resistor?

emiffy · #8 (**permalink**) 31-08-2007, 05:17 PM

If you never had the "FINAL STAGE RESISTOR" changed before, and the aircon's cold, then it's probably high time to get it changed. A simple 10-15 minute job, parts + labour under $200 if you do it at any of the workshops recommended.

cheez · #9 (**permalink**) 31-08-2007, 10:42 PM

LIkely condenser coil leak.. Experienced the same on my car recently and had the coil changed out. Enjoying the cold air thereafter..

waltergoh · #10 (**permalink**) 01-09-2007, 07:45 PM

Quote:

Originally Posted by cheez

LIkely condenser coil leak.. Experienced the same on my car recently and had the coil changed out. Enjoying the cold air thereafter..

How much u spent on the coil? nvm did anything to my BMW before. It a 7 year old car but milegae still under 70000KM

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