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Author c20xe overheating?
rick xe
Member
Registered: 25th Apr 07
Location: west midlands
User status: Offline
   13th Sep 07 at 15:59   View User's Profile U2U Member Reply With Quote
RECENTLY FINISHED CONVERTION, BUT ENGINE IDLES UP AND DOWN THEN WHEN IT GETS HOT IT OVERHEATS AND THE FAN DOES NOT CUT IN.IVE CHANGED RAD FAN SWITCH, DONE PAPER CLIP TEST FAN WORKS THEN OK.COULD IT BE TEMPERATURE SENSOR?TEMP GAUGE READS UP TO 98 THEN OVERHEATS
rick xe
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Registered: 25th Apr 07
Location: west midlands
User status: Offline
13th Sep 07 at 16:33   View User's Profile U2U Member Reply With Quote
ANY ONE?ANY IDEAS
craig_s
Member
Registered: 5th Mar 06
Location: Birmingham Drives: mk4 astra gsi
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13th Sep 07 at 16:36   View User's Profile U2U Member Reply With Quote
try a new thermostat
rick xe
Member
Registered: 25th Apr 07
Location: west midlands
User status: Offline
13th Sep 07 at 17:08   View User's Profile U2U Member Reply With Quote
HAS A NEW THERMOSTAT,ALL PIPE WORK GETTING HOT ALSO HEATERS BLOWING HOT???
DaNnY_LaD
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Registered: 30th Nov 05
Location: Walkden,Manchester
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13th Sep 07 at 17:16   View User's Profile U2U Member Reply With Quote
cts?
craig_s
Member
Registered: 5th Mar 06
Location: Birmingham Drives: mk4 astra gsi
User status: Offline
13th Sep 07 at 17:24   View User's Profile U2U Member Reply With Quote
are the pipes getting hard??
rick xe
Member
Registered: 25th Apr 07
Location: west midlands
User status: Offline
13th Sep 07 at 17:24   View User's Profile U2U Member Reply With Quote
YEP WILL TRY CTS,JUST PHONED VAUX DEALER £12
rick xe
Member
Registered: 25th Apr 07
Location: west midlands
User status: Offline
13th Sep 07 at 17:27   View User's Profile U2U Member Reply With Quote
NO PIPES NOT PRESSURING,ENGINE JUST HAD FULL REBUILD NEW WATER PUMP.
craig_s
Member
Registered: 5th Mar 06
Location: Birmingham Drives: mk4 astra gsi
User status: Offline
13th Sep 07 at 17:28   View User's Profile U2U Member Reply With Quote
next thing to try would be cts as said before.
rick xe
Member
Registered: 25th Apr 07
Location: west midlands
User status: Offline
13th Sep 07 at 17:29   View User's Profile U2U Member Reply With Quote
CHEERS WILL DO,LET YOU KNOW RESULT.
Dean_W
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Registered: 13th Dec 05
Location: Downham Market, Norfolk
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14th Sep 07 at 08:51   View User's Profile U2U Member Reply With Quote
CTS only lets the ECU know the temp of the engine. Doubt it would be that.

Idling - Dodgy ICV.
Overheating - Airlock?
Superlite Ltd.
Member
Registered: 9th Jan 07
User status: Offline
14th Sep 07 at 09:22   View User's Profile U2U Member Reply With Quote
Try turning caps lock off.

Might help
Dave A
USER UNDER INVESTIGATION - DO NOT TRADE

Registered: 10th Dec 03
Location: County Durham
User status: Offline
14th Sep 07 at 10:05   View User's Profile U2U Member Reply With Quote
fan fuse or relay.
BYRON
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Registered: 1st Jun 04
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14th Sep 07 at 10:28   View User's Profile U2U Member Reply With Quote
Try bleeding the system before you spend any cash.
rick xe
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Registered: 25th Apr 07
Location: west midlands
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14th Sep 07 at 17:28   View User's Profile U2U Member Reply With Quote
try turning the smart remarks off?
rick xe
Member
Registered: 25th Apr 07
Location: west midlands
User status: Offline
14th Sep 07 at 17:47   View User's Profile U2U Member Reply With Quote
Im fitting new cts tomorrow,when car is running heaters blow hot so dont think air lock is the problem,checked fuse ok.Thanks for your replys.
Dave A
USER UNDER INVESTIGATION - DO NOT TRADE

Registered: 10th Dec 03
Location: County Durham
User status: Offline
14th Sep 07 at 18:18   View User's Profile U2U Member Reply With Quote
CTS has no effect on the cooling system at all. it provides the ECU with a coolant temp reading.
rick xe
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Registered: 25th Apr 07
Location: west midlands
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14th Sep 07 at 18:29   View User's Profile U2U Member Reply With Quote
Any ideas what else it could be???
Dave A
USER UNDER INVESTIGATION - DO NOT TRADE

Registered: 10th Dec 03
Location: County Durham
User status: Offline
14th Sep 07 at 21:28   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Dave A
fan fuse or relay.



tried them yet?
Ste L
Member
Registered: 3rd Jul 06
Location: Manchester Drives: 106 16v Rallye
User status: Offline
14th Sep 07 at 21:31   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Dave A
quote:
Originally posted by Dave A
fan fuse or relay.



tried them yet?



wont be then, as then he bridged the fan switch with a paper clip it work's
rick xe
Member
Registered: 25th Apr 07
Location: west midlands
User status: Offline
15th Sep 07 at 12:33   View User's Profile U2U Member Reply With Quote
Yep changed cts and temp gauge sensor still no go,so went for a quick drive in it,,,first time since conversion and it seamed to clear a air lock.Not over heating now but its idling to 1500rpm and dropping to about 1000rpm,possible ICV???
DaNnY_LaD
Member
Registered: 30th Nov 05
Location: Walkden,Manchester
User status: Offline
16th Sep 07 at 13:26   View User's Profile U2U Member Reply With Quote
was the ICV brand new or was it 2nd hand?

Did you clean it?

also it could be a small air leak had the same problem on my old xe was the vacum hose..that was doin it
rick xe
Member
Registered: 25th Apr 07
Location: west midlands
User status: Offline
16th Sep 07 at 16:29   View User's Profile U2U Member Reply With Quote
second hand off the calibra doner car but was running ok on that car?
Dave A
USER UNDER INVESTIGATION - DO NOT TRADE

Registered: 10th Dec 03
Location: County Durham
User status: Offline
16th Sep 07 at 20:52   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Ste L
quote:
Originally posted by Dave A
quote:
Originally posted by Dave A
fan fuse or relay.



tried them yet?



wont be then, as then he bridged the fan switch with a paper clip it work's



didnt read that bit. well in that case its 1 of 2 things, either the rad switch not switching or the coolant not getting to the rad.

read the signal from the switch as it gets warm to see if its getting hot coolant to it with the thermostat in and out. chances are the stat isnt opening and letting coolant through to the rad.
rick xe
Member
Registered: 25th Apr 07
Location: west midlands
User status: Offline
17th Sep 07 at 18:31   View User's Profile U2U Member Reply With Quote
Yes fan now working,but its idling still up and down???

 
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