My 2011 GT
has started doing this thing where when the Air Conditioning is on, the radiator cooling fan switches on for maybe 2-5 seconds, then switches off for a short time, maybe 10-20 seconds, then repeats.
The thing that made me notice this, is whenever the fan kicks on, it bogs the engine down to the point that the cars electrical system gets pulled down to maybe 10 or 11 volts, which is enough to automatically wind the Windows down if the bog-down happens while you're in the process of winding one up. I guess this is a safety feature in case you get something jammed in the window, which would also pull the voltage down.
I thought it might be my battery not being able to hold up the voltage, so I replaced it. It didn't change a thing.
Anyone else seen this issue?
Any ideas on how to fix it?
EDIT: I just tested it with the AC off, and the fan cycle is much more normal, but it still bogs down the engine when it kicks in.
I've looked at the fan to see if it shows any signs of fouling or if it appears to stop quickly after it switches off, possibly indicating a problem with its bearing, but it's free and looks great.
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