New here Pleas help!

Discuss any maintenance you've done to your Vibe & Matrix and ask how to perform maintenance on your vehicle
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m7a7c7
Posts: 4
Joined: Tue Mar 19, 2013 4:33 am

New here Pleas help!

Post by m7a7c7 »

2005 Moon and Tune, Automatic, Two things (related or not?) 1 RAD fan isn't coming on with the defrost anymore. Relay? Where?
The other thing is that there is a sensor on top of the intake. It is clicking. I noticed it when I was poking around after I noticed the RAD fan issue. Could this be connected (AC system?) I haven't had a lick of trouble with this car but electrical issues bother me. Can anyone help me out on this one? Thanks in advance!!!
Mac
ParknVibe
Posts: 563
Joined: Sat Jul 19, 2008 5:38 am

Re: New here Pleas help!

Post by ParknVibe »

m7a7c7 wrote:2005 Moon and Tune, Automatic, Two things (related or not?) 1 RAD fan isn't coming on with the defrost anymore. Relay? Where?
The other thing is that there is a sensor on top of the intake. It is clicking. I noticed it when I was poking around after I noticed the RAD fan issue. Could this be connected (AC system?) I haven't had a lick of trouble with this car but electrical issues bother me. Can anyone help me out on this one? Thanks in advance!!!
Mac

Did you try to run the Air condition as well? The fan should turn on when the AC compresser clutch engages on the belt. Then see if you can get the fan to run if you let the car sit idling for a long time.
Also, does the AC give you cold conditioned air? If not, maybe it will not run if low on freon.
JohnO
Posts: 117
Joined: Fri Nov 16, 2012 8:47 am

Re: New here Pleas help!

Post by JohnO »

The A/C compressor won't engage and the radiator fan won't run if the temperature is below freezing. If the temperature is above freezing it could be low refrigerant charge.
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