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Topic: ACC Hot n Cold :) (Read 450 times) |
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Xeen
Newbie
Posts: 16
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ACC Hot n Cold :)
« on: Oct 1st, 2009, 3:35pm » |
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My acc is unstable.. it heatens the car fast,but after a while it gets colder and colder... and after approx 15min it gets warm again.
It does this all the time in cycles. must set the temp to 27 C to have a ok temperature in the car..
The heater matrix is new and the enginetemp is stable.(new tempsensor and termostat.)
Can it be one of the tempsensors in the acc system? how do i check? have done the acc procedures reset osv..
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Pardon my bad english
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Kenboy
Full Member
I'm a YaBB newbie!
Posts: 703
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Re: ACC Hot n Cold :)
« Reply #1 on: Oct 1st, 2009, 6:03pm » |
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Cannot help you I am afraid but I have the same problem for some while now, changed various parts without success I am advised that the problem is most likely to do with the SATC Module , even this I have changed albeit second hand also de icer switch, Pressure switch , Regas and compressor, if you should happen to get it solved let me know what the solution was mine will not even reset and I am very reluctant to go down the path of professionals, can be very costly, good luck.
Kenboy
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Scorpio_Mike
Senior Member
Jeep Grand Cherokee 3.0 V6 & 2.8 Sierra XR4i 4x4
Posts: 2354
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Re: ACC Hot n Cold :)
« Reply #2 on: Oct 1st, 2009, 6:38pm » |
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Have you had your A/C serviced recently ?
May just need the gas topping up 
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Star sign is Scorpio !
Sierra XR4i's are great...especially when fitted with 4WD
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Xeen
Newbie
Posts: 16
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Re: ACC Hot n Cold :)
« Reply #3 on: Oct 1st, 2009, 7:36pm » |
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my problem has nothing to do with the A/C.. have same problem with AC off.
Its the heat-flaps inside the heaterbox that is beeing wrongly adjusted by the ACC.. i wonder why.
No faults in acc memory either...
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Tekno
Full Member
Tenho Ruohoranta
Posts: 599
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Re: ACC Hot n Cold :)
« Reply #4 on: Oct 1st, 2009, 7:49pm » |
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Do you have enough cooling fluid?
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1998 Ford Scorpio Ultima Estate 2.3i 16V
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: ACC Hot n Cold :)
« Reply #5 on: Oct 2nd, 2009, 12:23am » |
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Have you read this page.....http://www.fordscorpio.co.uk/aircon.htm
Climate control in the Scorp isn't like a conventional vehicle heater. It does blow hot & cold to try & maintain the temperature set on the display panel.
If it is obviously not working correctly & you've tried a different SATC etc, then it may a sensor problem.
If there are any problems with sensors then it should show up when doing a reset....http://www.fordscorpio.co.uk/ccreset.htm
Hope this helps
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