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-   -   AC not working. NO WIND AT ALL (https://www.s2ki.com/forums/s2000-under-hood-22/ac-not-working-no-wind-all-1168072/)

kenlui1995 01-17-2017 09:52 PM

AC not working. NO WIND AT ALL
 
Need you guys help. When I turned on my car today, the AC does not work suddenly. So the problem is.. even when I turn on the switch of the fan or when I click the AC button, no wind is coming out, and of course, no AC at all. I think it's the problem of the fuse, which fuse should I replace? If you think fuse is the problem, which one is it?
https://cimg8.ibsrv.net/gimg/www.s2k...769f5e10cd.jpg

HarryD 01-17-2017 10:15 PM

Try checking fuse #58 or #20?

http://hdehal.com/s2000/s2000_fuses.png

kenlui1995 01-17-2017 11:39 PM

Thanks! I will try to change a new fuse for sure. If it still does not work, I think I might have to replace the AC compressor and clutch...

Car Analogy 01-18-2017 09:11 AM

Wait, if no air is blowing from the vents, that is simply the fan not turning. That has nothing to do with the compressor or its clutch pully.

Does the heat blow air out of the vents?

Soviet 01-18-2017 11:14 AM


Originally Posted by Car Analogy (Post 24137276)
Wait, if no air is blowing from the vents, that is simply the fan not turning. That has nothing to do with the compressor or its clutch pully.

Does the heat blow air out of the vents?

This.

kenlui1995 01-18-2017 12:23 PM

No. There is no air, no fan blowing from the vents. What kind of problem is that? how can I fix that?

Originally Posted by Car Analogy (Post 24137276)
Wait, if no air is blowing from the vents, that is simply the fan not turning. That has nothing to do with the compressor or its clutch pully.

Does the heat blow air out of the vents?


flanders 01-18-2017 12:29 PM

Check fuse number 56, 40A blower motor.

kenlui1995 01-18-2017 01:01 PM

Okay! I will do. Probably I will check all the fuse 20A and above. I will keep you guys updated after I changed the fuse. Hopefully it's only the problem of the fuse. If not, it would be a lot complicated.


Originally Posted by flanders (Post 24137410)
Check fuse number 56, 40A blower motor.


Car Analogy 01-18-2017 01:50 PM

I can sense English is not your first language. No problem. We will try our best to understand each other. May I ask your native language? That may prove useful.

You should be proud. Most Americans can only speak one language, and many of us can't even do that very well! :)

The heating and AC system is pretty simple. There is a radiator that makes heat, and a fan blows air over it and that air goes through vents into the cabin. There is also a sort of AC radiator that makes cold, and the same fan blows air over it, and that air goes through the same vents into the cabin.

The heat radiator gets heat from the engine coolant (antifreeze and water). The AC radiator, called an evaporator, gets its cold from compressing, then uncompressing, a gas.

So if heat works, fan works, but AC blows warm air, then AC components like compressor, the gas pressure, etc are where you look. The cold radiator has no coldness!

For your issie, if the fan fuse doesn't fix it, it could be:

1. A bad fan motor
2. Something stuck in the fan, jamming it
3. An electrical problem that causes the fuse to keep blowing (so your new fuse might go bad right away)

You can usually tell if a fuse is bad looking at it. The wire inside will be broken. But the correct way to tell is using a meter. We'd call it a DVM, or digital volt meter. You ise the Ohms scale and check to see if electricity will flow through the fuse or not (0 or near 0 ohms on the meter).

kenlui1995 01-18-2017 03:28 PM

So I have replaced fuse No. 20 (7.5A) in the under-dash fuse box and the No 58 (20A) and No 56 (40A) in the engine bay fuse box. It still does not fix the problem. So right now, I am thinking it might be the fan motor actually blown off. Any link of buying a new fan motor online? And what is the part no.?


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