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Old 20 May 2004, 07:43 PM
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p1doc
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Question sti autospray

does anyone know how the oem sti autospray is activated ie boost/temp as i am tempted by avo spray but i want to know more first
martin
Old 20 May 2004, 08:33 PM
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Butty
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Martin,
Do you mean the new age UK STi - if so then its controlled by your finger and nothing else.
All your finger does is kick start a 3 sec relay to switch on the spray motor - sophisticated yeah??

Nick
Old 20 May 2004, 09:50 PM
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p1doc
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thanks but i mean the jdm models (should have been more clear) as they have auto spray as standard but i dont know how it is started and is the avo spray any good-it appears to be boost stimulated -is this too little too late or good?
martin
Old 20 May 2004, 11:24 PM
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Scoobsti
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Sorry to hi-jack slightly - but on the UK Sti (MY 02) how can you tell if it's actually working ? It makes a noise when I press the button - but I've had windscreen washers that did that but no water came out !

Is it really only worked by pressing the button ? I thought I had seen a thread about bottles emptying in warm weather (can't find it now)

Scoobsti
Old 21 May 2004, 08:02 AM
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Jasoon
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The bottle empties due to water being forced thru the system when braking hard ,according to Prodrive.
Old 21 May 2004, 08:42 AM
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Butty
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Scoobsti,
I'd press the button when stationary and see if the IC is wet.
The bottle level does go down even when it isn't pressed. You can find the spray nozzle wet and a little bit of water on the IC even though you've not pressed it.
People are assuming that its an auto system as the tank is empty after several weeks without pressing the button.
You'll soon empty the bottle after about 30 hits as it uses 150 mls per press.

Nick
Old 21 May 2004, 04:10 PM
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p1doc
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anyone with a jdm model want to comment?
martin
Old 22 May 2004, 11:04 AM
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Mad Hammer
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I asked same question week or so back. Does anyone know ???

Way to check if manual works, open bonnet then spray. You then see the water
Old 22 May 2004, 09:21 PM
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wrxmark
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I have a Sti jdm 01. I can only assume it is temp controled as it clicks the relay and sprays at different intervals. Only turned mine on once and it emptied the bottle within an hour. I have a warning light that indicates it being empty. But I will try it again tomorrow going to Silverstone drift racing.
Old 22 May 2004, 11:31 PM
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p1doc
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Talking

spot on,so it is likely temp operated
thanks,martin
Old 23 May 2004, 10:56 AM
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stevie boy
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i've got a v6 sti so presume its the same as newer ones, bob rawle told me, once ambient temp is above certain level (sorry can't remember ) once engine speed is above 3600 rpm and a few more factors which again i can't remember! but its defo not just temp
Old 23 May 2004, 11:56 AM
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Leslie
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I remember reading on this net once that it is controlled by the boost pressure level. The spray was initiated automatically when the boost reached somewhere around 8 psi. The water level in the tank certainly goes down after a period of spirited driving anyway.

Les
Old 23 May 2004, 05:47 PM
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wrxmark
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Spent the day with the auto spray on. It is difficult to say if any one thing has control over it. It would appear that throttle position boost and temp have all got somthing to do with the spray. Mine seemed to spray when in boost but at different temps and engine speeds and throttle positions. Sorry nothing obvious or conclusive. Great dday out at D1 Uk tho.
Old 23 May 2004, 09:47 PM
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p1doc
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thanks for the above info
martin
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