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Radiator Fan Trouble

U

UmmScott

CEG'er
Joined
May 4, 2009
Messages
292
Location
Omaha, NE
Hello everyone, i have a 95 contour 2.0L with auto trans and A/C

My radiator fan doesn't seem to be running at the right speeds. By this i mean it has low and high speed, but it seems to be spinning way slower than normal for both speeds. Its the Original fan motor when the car was built, but i had to fabricate the wiring to it due to the old wiring going bad....It ran fine with the wiring i made, but lately, my engine temp has been high, and my A/C (which did work fine) is producing very high head pressures...

So in a nutshell: Could the radiator fan motor be worn out or could it be wiring?...
PS. the car has 132K miles on it
Thanks for your comments/suggestions..
 
I'd be willing to lean towards the motor being on it's way out. That's just my opinion. You could play guess and test with a junkyard unit...or you could replace the motor, if they sell them for your car still. I know they sell them separately for my current vehicle.

Take it for what you will though.

If you take a line with a fuse in it and test it off the battery, does it fun any differently?
 
Ive hot wired it to the battery, it runs the same way.

Also i should mention, 1: the fan spins freely, so its not locked up or anything, and 2: its slow to come up to speed, like it takes about 5 seconds to get to the right speed.
 
To me, personally, it sounds like the motor is looking to buy the farm.

I just went through this with the electric fan on my vehicle, though mine was a lot tighter when trying to spin it by hand.
 
check brushes

check brushes

It sounds like stuck or worn brushes.I had this happen to one of my cooling fans on my 95se. I bent the housing crimps open dissassembled the fan. The brushes were stuck tight in the brass tubes. I only had to free them up and reassemble the motor.
 
One last thing

One last thing

Ok thanks for the advice. I have one clue left, but im pretty sure the motor is going bad.

The black ground wire that plugs into the motor itself is getting charred and somewhat melting the connector that i fabricated (i used those female spade type things).

Doesn't the hot wire usually melt do to high draw/amps?
Since the motor isn't running at the right speeds could that cause increase in resistance for the ground wire?
 
Current is current

Current is current

The same current is flowing through the hot (12 volt) and low (ground side) side of the fan circuit. If there's extra some resistance in the low side, heat will be generated. The formula is 'current squared times resistance = power'.
 
AMEN brother. Same power going in must come out, put more resistance in the 'out' pathway and trouble city.
 
Dual fans possible??

Dual fans possible??

K, thanks for the info.

last question. is it possible to install the dual fan assembly thats from the v6 engine to my L4 engine? I checked the wiring harnesses, so as long as i take the one from the dual fan assembly and use it on my L4 i don't see any reason other than the size of the fans why it wouldn't fit....

Has anyone done this before?
 
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