| Saxo Engine/Performance If you're interested in tuning Saxo engines, or if you need to know something which is engine related... this is the place for you. |
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16th October 2011, 13:46
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#1
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Newbie
Join Date: Oct 2011
Posts: 6
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rad trouble
ive got a 1.6 vtr, w-reg.
just put a new rad on and when ive filled it up and bled the air out the top hose is getting hot but the bottom 1 is still cold and the fan isnt cutting in even when the temp is in the red, ive had the hose on the rad so theres no blockage in there.
any ideas would be gratefully received.
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16th October 2011, 13:48
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#2
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Saxperience Forum Bum
Join Date: Mar 2011
Location: plymouth
Posts: 2,921
Car(s): mk2 VTS
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thermostat mate i had this prob
__________________
Quote:
Originally Posted by Cam
Oo paul these vts's are spose to be quick with cams want to take it for a drive to see what its like? Alright dave BARRRPP... Cambelt "I dont like being here" snap. I reakon its something like that.
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ASTRA MK4 2.0 SRI 16V
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16th October 2011, 13:53
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#3
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Saxperience Forum Bum
Join Date: Oct 2009
Location: Torquay
Posts: 2,930
Car(s): MK2 saxo vtr
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Quote:
Originally Posted by sam_8v
thermostat mate i had this prob
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+1 to this.
pop a new stat on and it'll be fine.
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16th October 2011, 13:54
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#4
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Newbie
Join Date: Oct 2011
Posts: 6
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would that stop the fan from cutting then, it used to run ok before.
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16th October 2011, 14:07
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#5
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Saxperience Forum Bum
Join Date: Oct 2009
Location: Torquay
Posts: 2,930
Car(s): MK2 saxo vtr
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Quote:
Originally Posted by paul1970
would that stop the fan from cutting then, it used to run ok before.
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It'll allow the cooling system to work properly. Sounds as it's blocked/not opening as the top hose was cold.
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16th October 2011, 14:11
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#6
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Newbie
Join Date: Oct 2011
Posts: 6
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its the bottom hose thats cold and the top thats hot mate.
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16th October 2011, 14:22
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#7
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Saxperience Forum Bum
Join Date: Oct 2009
Location: Torquay
Posts: 2,930
Car(s): MK2 saxo vtr
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Quote:
Originally Posted by paul1970
its the bottom hose thats cold and the top thats hot mate.
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When you start up from cold, does it sound like there is running water?
Sounds like a air lock.
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16th October 2011, 14:30
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#8
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Newbie
Join Date: Oct 2011
Posts: 6
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i bled the air out at the valve on the top of the rad a few times while it was running.not heard anything like running water tho.
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16th October 2011, 14:41
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#9
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Regular Poster
Join Date: Sep 2011
Location: Wirral
Posts: 280
Car(s): desire
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Quote:
Originally Posted by paul1970
i bled the air out at the valve on the top of the rad a few times while it was running.not heard anything like running water tho.
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That's the first bleed point, when no air coming out of that then do the thermostat housing bleed point (allen bolt), when no air coming out of that then do the bleed point on the hose by the ecu, as this one is higher than the rad fill you need to use a header tank (put this on first) keep the header tank on until the fan cuts in 3 times. Did mine the other day and it took ages to bleed it properly.
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16th October 2011, 14:50
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#10
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Saxperience Forum Bum
Join Date: Oct 2009
Location: Torquay
Posts: 2,930
Car(s): MK2 saxo vtr
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Quote:
Originally Posted by bosax
That's the first bleed point, when no air coming out of that then do the thermostat housing bleed point (allen bolt), when no air coming out of that then do the bleed point on the hose by the ecu, as this one is higher than the rad fill you need to use a header tank (put this on first) keep the header tank on until the fan cuts in 3 times. Did mine the other day and it took ages to bleed it properly.
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That would do the trick.
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17th October 2011, 18:47
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#11
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Newbie
Join Date: Oct 2011
Posts: 6
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all sorted chaps, it was the bleed nipple at back on the left hand side, the 1 like a dust cap, it was a massive airlock, got 2nd degree burns on my hand and up my arm to prove it too haha, got a couple ofdays off work tho, result.
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17th October 2011, 18:50
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#12
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Saxperience Forum Bum
Join Date: Oct 2009
Location: Torquay
Posts: 2,930
Car(s): MK2 saxo vtr
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Quote:
Originally Posted by paul1970
all sorted chaps, it was the bleed nipple at back on the left hand side, the 1 like a dust cap, it was a massive airlock, got 2nd degree burns on my hand and up my arm to prove it too haha, got a couple ofdays off work tho, result.
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LOL. Pics are needed.
But yeah, I burnt my little pinky when I did mine.
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17th October 2011, 19:18
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#13
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Regular Poster
Join Date: Sep 2011
Location: Wirral
Posts: 280
Car(s): desire
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Been there done that............. I wore marigolds this time 
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17th October 2011, 21:01
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#14
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Newbie
Join Date: Oct 2011
Posts: 6
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I'll get the pics on tomoz, they're not for the faint hearted tho I can tell u haha
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