Changed Head Gasket - Still Boiling Over - EDIT NOW FIXED
14-06-2007, 09:45 PM
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Changed Head Gasket - Still Boiling Over - EDIT NOW FIXED
Following on from previous post.....
(4x4 Cossie Engine)
Car was badly boiling over, so whipped the head off..... No signs of cracked block, damaged head, or failed head gasket. Changed head gasket and removed thermostat. Filled car with water, run engine and bled at thermostat point. Fans cut in and I thought prob solved, but the engine continued to get hotter and the fans kept cutting in latter and latter each time. The whole time the system was pressuring more and more and the expansion tank boiled its contents
again
Ive been given a few ideas tomorrow but could really appreciate any help on this, and has anyone come across this before?
(4x4 Cossie Engine)
Car was badly boiling over, so whipped the head off..... No signs of cracked block, damaged head, or failed head gasket. Changed head gasket and removed thermostat. Filled car with water, run engine and bled at thermostat point. Fans cut in and I thought prob solved, but the engine continued to get hotter and the fans kept cutting in latter and latter each time. The whole time the system was pressuring more and more and the expansion tank boiled its contents
againIve been given a few ideas tomorrow but could really appreciate any help on this, and has anyone come across this before?
15-06-2007, 01:06 AM
#6
Originally Posted by PeterLucas
ah ok,
they are a right coont to get the air out of then!
they are a right coont to get the air out of then!
http://www.fordscorpio.co.uk/cgi-bin...num=1133105627
might help
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15-06-2007, 06:38 AM
#9
you havent got the car jacked up at the front have you ????
Reason i ask is because if you have , air gets trapped at the back of the head and will always air lock until the car is sat level
I blew the headgasket on my escoss when i changed the rad because i had it jacked up at the front when i was testing everything before i put the bumper etc back on the car 
Reason i ask is because if you have , air gets trapped at the back of the head and will always air lock until the car is sat level
I blew the headgasket on my escoss when i changed the rad because i had it jacked up at the front when i was testing everything before i put the bumper etc back on the car
15-06-2007, 08:40 AM
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Cheers guys, will inspect rad today and make sure water pump is working.
Paul - I was told its a good idea to raise the front of the car when bleeding up, helps the air get to the expansion tank? Is this wrong info?
Paul - I was told its a good idea to raise the front of the car when bleeding up, helps the air get to the expansion tank? Is this wrong info?
15-06-2007, 08:57 AM
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AlexF -
Do you mean a cylinder leakage test? or pressurising the cooling system and check for leaks?
I dont think the cooling system has any leaks because it holds pressure until the saftey release on the expansion cap lets go.
Do you mean a cylinder leakage test? or pressurising the cooling system and check for leaks?
I dont think the cooling system has any leaks because it holds pressure until the saftey release on the expansion cap lets go.
15-06-2007, 01:54 PM
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CosKev3 - Already done headgasket pal, to try and solve this problem.
Alex - I think you maybe right, been bleeding it runing it for about 30mins and managed to get it to not boil over, but found the coolant hose to the back of the head to be leaking Could it draw air in from there? Going to change this and try again.
Alex - I think you maybe right, been bleeding it runing it for about 30mins and managed to get it to not boil over, but found the coolant hose to the back of the head to be leaking
Could it draw air in from there? Going to change this and try again.
15-06-2007, 05:09 PM
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Originally Posted by PeterLucas
CosKev3 - Already done headgasket pal, to try and solve this problem.
Alex - I think you maybe right, been bleeding it runing it for about 30mins and managed to get it to not boil over, but found the coolant hose to the back of the head to be leaking Could it draw air in from there? Going to change this and try again.
Alex - I think you maybe right, been bleeding it runing it for about 30mins and managed to get it to not boil over, but found the coolant hose to the back of the head to be leaking
Could it draw air in from there? Going to change this and try again.change the cap as suggested above too and let us know how it goes!
Alex
17-06-2007, 06:49 PM
#19
Originally Posted by PeterLucas
Cheers guys, will inspect rad today and make sure water pump is working.
Paul - I was told its a good idea to raise the front of the car when bleeding up, helps the air get to the expansion tank? Is this wrong info?
Paul - I was told its a good idea to raise the front of the car when bleeding up, helps the air get to the expansion tank? Is this wrong info?
the air gets to the expansion tank as hot air rises
I defo would never never never jack a 4x4 up at the front to bleed it I know you have fixed the car anyway but still felt i should reply
17-06-2007, 06:54 PM
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It could be a number of things really.
how was the head and block checked? i'd have had them illiminated both by having them pressure tested before refitting the head gasket
how was the head and block checked? i'd have had them illiminated both by having them pressure tested before refitting the head gasket
17-06-2007, 07:23 PM
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Your telling me, although im glad I changed it in some ways...One less job for the future and got to check block, head condition etc etc.
She now doest go above the halfway mark on the temp gauge.
As previous post all sorted now thanks to all for advice
She now doest go above the halfway mark on the temp gauge.
As previous post all sorted now thanks to all for advice
18-06-2007, 07:28 PM
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Originally Posted by PeterLucas
CosKev3 - Already done headgasket pal, to try and solve this problem.
Glad you sorted it
Had same prob on my old car,half the rad blocked solid
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