A/C not working

MICKY LO

MEMBER
2005 BMW X3
3.0L
6 CYL
4WD
AUTOMATIC
194,000 MILES

It's been 2 summers I've been without the A/C.
I've changed:

Compressor
Condenser
Pressure switch
dryer canister
High and low lines
Valves
Two thermostats
Blower motor
FSU
Control unit
When trying to charge the compressor does not active.
Shop manager says the system will not allow to input Freon. I do not know what next move should be.

5 Replies

KASEKENNY

MECHANIC
18,907 POSTS

Okay. We need a little more info about why they say it will not "allow" Freon to go in. What happens when they try to charge the system? Most likely the compressor will not turn on until the level is high enough due to a pressure switch. However, if they have a scan tool they should be able to manually trigger the compressor and that will pull in the Freon. However, we need the detail about what happens in its current state.

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Saturday, March 21st, 2020 AT 5:47 PM

MICKY LO

MEMBER
3 POSTS

Yeah, went another shop; they say I'll need a evaporator core. The system can't build up Freon and therefore compressor won't kick on. So I'm told. Cost $75.00.
Over the two summers my research did indicate that with the his particular model I have the evaporator core is a problem spot. Wish there was a recall where I can get this $2,000.00 job done at no cost to me. Car drives like a gem.

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Wednesday, March 25th, 2020 AT 8:00 AM

KASEKENNY

MECHANIC
18,907 POSTS

Thanks for the update. It would be nice if recalls covered this stuff but unfortunately we don't get so lucky very often.

Thanks for using 2CarPros. Let me know if you need more info with this issue and I will be happy to assist. Thanks

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Wednesday, March 25th, 2020 AT 11:15 AM

MICKY LO

MEMBER
3 POSTS

Great, tell me with the BMW m54 engine can aftermarket air filters cause the service engine soon light to illuminate?

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Tuesday, March 31st, 2020 AT 10:46 AM

KASEKENNY

MECHANIC
18,907 POSTS

Yes. Most any aftermarket parts can cause an issue. However, we will need a little more info. First, check the codes and see what the light is on for. Second, get the part numbers and manufacturer that made them.

The only issue is we need all this info posted on a new question. Unfortunately we are required to keep each post to one topic. Mostly so that others can find the answer to this question because they won't find it under and A/C question heading. Next is so that Google will post the questions for us when someone searches for this similar issue.

Thanks

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