jamesvalver
Member
Registered: 21st Feb 03
Location: Bury St Edmunds, Suffolk
User status: Offline
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my mates got a m-reg 1.4 16v sri with 88k on the clock and its over heating badly. went for a short drive in it to warm it up then left it to idle to make sure the coolant fan kicks in, but it didnt n the car overheated and popped the thermostat gasket n the coolant was boiling away in the header tank. lots of pressure in there!!
he has changed the thermostat and all its gaskets, changed the thermostat switch and even the rad but the problem still persists. hes bridged the coolant fan switch and its all working ok.
he has history with the car which inc headgasket change, cambelt, tappits, thermostat gasket etc all done last year.
can someone please help with ideas as what it could be still??
many thanks
james
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Wonderboy
Member
Registered: 30th Dec 06
Location: Ayrshire, Scotland
User status: Offline
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Not a clue, but would be interesting to find out.
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Warren G
Member
Registered: 14th May 06
Location: Kent
User status: Offline
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water pump fins broken off?
sounds like headgasket
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N90ATH
Member
Registered: 10th Sep 03
Location: Boreham, Essex
User status: Offline
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is he sure that the switch is workin as i tested all the ususla thing when mine did it but replace dthe fan switch and hey presto it was all fine 
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jamesvalver
Member
Registered: 21st Feb 03
Location: Bury St Edmunds, Suffolk
User status: Offline
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he's bought a new fan swtich from vauxhall
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STEvieXE
Member
Registered: 21st Jan 03
Location: Ballymena N.I.
User status: Offline
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headgasket??
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Warren G
Member
Registered: 14th May 06
Location: Kent
User status: Offline
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quote:
Originally posted by STEvieXE
headgasket??
headgasket with bowd head
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jamesvalver
Member
Registered: 21st Feb 03
Location: Bury St Edmunds, Suffolk
User status: Offline
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hmmm...... looks like i'll be needing to get hold of a blocktester for him
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ainsley_brader
Member
Registered: 24th Mar 02
Location: Tattershall, Lincolnshire
User status: Offline
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headgasket wouldnt stop the fan kicking in. As Someone else suggested i would check the water pump!
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bubble
Member
Registered: 24th Jan 04
Location: Darwin, NT Australia.
User status: Offline
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quote:
Originally posted by ainsley_brader
headgasket wouldnt stop the fan kicking in. As Someone else suggested i would check the water pump!
but if headgasket failed, water will boil up quicker under less pressure,have a lower boiling point and would get warm that quickly that fan wont kick in until its too late and driver has noticed the temp and turned it off.
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