Climate control fan speed under acceleration
Postmaster
Joined: Oct 2005
Posts: 3,620
Likes: 3
From: WARRINGTON, PA
i doubt that its an OVER charge symptom. its more like when you come to a stop and the engine is at idle, the alternator is putting out less voltage. when you accelerate, you are spinning the alternator faster and that means you are now giving the optimium voltage to your vehicle.
put a volt meter on your battery.
start the engine and turn everything on, headlights, a/c, wipers and so on.
at idle, measure the voltage at the battery.
at 2000 rpm's, measure the voltage.
you will see a difference on the voltage.
do this after the engine has been at operating temp. your alternator will put out more amps when cold than when hot.
finally, your situation is perfectly normal......
put a volt meter on your battery.
start the engine and turn everything on, headlights, a/c, wipers and so on.
at idle, measure the voltage at the battery.
at 2000 rpm's, measure the voltage.
you will see a difference on the voltage.
do this after the engine has been at operating temp. your alternator will put out more amps when cold than when hot.
finally, your situation is perfectly normal......
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New User
Joined: Jan 2008
Posts: 13
Likes: 0
I have the "Auto" version of climate control. However, I had a chance to take the Ex for a spin over the weekend and I am now questioning my original diagnosis that it was the climate control fan? A few more observations...
1) Velocity of the air coming out of the vents does NOT increase (despite sounding as if it does)?
2) When I turn the climate control panel to off, I still hear what sounds like the fan speed increasing?
3) The condition exists only when hard accelerating the Ex as I go down the road. It does not occur when the truck is in "Park" and I rev up the RPM's?
1) Velocity of the air coming out of the vents does NOT increase (despite sounding as if it does)?
2) When I turn the climate control panel to off, I still hear what sounds like the fan speed increasing?
3) The condition exists only when hard accelerating the Ex as I go down the road. It does not occur when the truck is in "Park" and I rev up the RPM's?
Elder User
Joined: Nov 2004
Posts: 614
Likes: 1
From: Fort Wayne IN
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New User
Joined: Jan 2008
Posts: 13
Likes: 0
PROBLEM SOLVED!! Turned out not to be the climate control after all. There was a crack in the rubber connector that attaches to the turbo cooler (the blue one). Replaced with ford part number 6C3Z-6C640-C. Just in time for a major road trip!!
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