Strange Temperature Control Problem

mp4 player · March 31st, 2011, 01:13 PM

This comes up about once every week or two and has been driving me crazy. While driving my temperature knob suddenly wants to "spring" back to hot. If I move it to the middle it immediately goes all the way back to hot. I'm able to get it to stick on fully cold most of the time but it's still under pressure trying to go to hot. After leaving my car off for a few minutes it seems to go back to normal.

Are our controls run from a vacuum line? I'm wondering if somehow having boost in that messes things up.

Any insight would be appreciated.

mp4 player · April 2nd, 2011, 01:59 AM

Anyone have any ideas or heard of this happening before?

trashpickinman · April 2nd, 2011, 02:23 AM

Yes, the climate control actuators are controlled by vacuum. Though, I personally have never heard of things being messed up by any sort of boosting.

Just to be clear, the actual knob is turning?

mp4 player · April 2nd, 2011, 02:43 AM

Originally Posted by trashpickinman

Yes, the climate control actuators are controlled by vacuum. Though, I personally have never heard of things being messed up by any sort of boosting.

Just to be clear, the actual knob is turning?

Yep, it's really hard to turn towards cold and just springs back to all the way hot when this is happening.

I'll play around with changing it while in boost and see if I can figure out if that causes it.

mycurse01 · April 2nd, 2011, 10:30 PM

if i turn mine all the way hot it clicks back one notch. it wont stay all the way it always clicks back. kinda weird but not really problem.

March 31st, 2011, 01:13 PM	#1
mp4 player Hardcore Enthusiast '00 V6 Procharged Mustang Join Date: Feb 2008 Location: WA Posts: 1,345 iTrader: 1 reviews	Strange Temperature Control Problem This comes up about once every week or two and has been driving me crazy. While driving my temperature knob suddenly wants to "spring" back to hot. If I move it to the middle it immediately goes all the way back to hot. I'm able to get it to stick on fully cold most of the time but it's still under pressure trying to go to hot. After leaving my car off for a few minutes it seems to go back to normal. Are our controls run from a vacuum line? I'm wondering if somehow having boost in that messes things up. Any insight would be appreciated. __________________ 2000 Prochaged V6. T-lok, Mach 1 takeoff exhaust with H-pipe, 20% tint, OEM fogs and all HIDs. SAE Corrected: 289HP/298TQ at 5100RPM(Pegged MAF).

April 2nd, 2011, 01:59 AM	#2
mp4 player Hardcore Enthusiast '00 V6 Procharged Mustang Join Date: Feb 2008 Location: WA Posts: 1,345 iTrader: 1 reviews	Anyone have any ideas or heard of this happening before? __________________ 2000 Prochaged V6. T-lok, Mach 1 takeoff exhaust with H-pipe, 20% tint, OEM fogs and all HIDs. SAE Corrected: 289HP/298TQ at 5100RPM(Pegged MAF).

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April 2nd, 2011, 02:23 AM	#3
trashpickinman Newbie 1996 Mustang V6 Join Date: Sep 2010 Location: Kansas Posts: 37 iTrader: 0 reviews	Yes, the climate control actuators are controlled by vacuum. Though, I personally have never heard of things being messed up by any sort of boosting. Just to be clear, the actual knob is turning?

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