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I Supported Toymods
Location:
melbourne.vic.au
Registered:
May 2002
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Radiator Bubbling with no Explanation
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Wed, 13 October 2004 23:11
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Hey All,
My 5M-E head was pulled off for no apparent reason as it wasn't the stuffed head gasket that was leaking into my radiator system  .
Now the dilemma is, what is causing my system to have air bubbles and all my radiator fluid into the overflow bottle. As the mechanic stated that it's not the head (as it is not cracked or warped) or that the head gasket was stuffed. The Radiator system was burped and had most the air bubbles out. The Engine had only done 5,000kms before the radiator "showed symptoms of a blown head gasket with air bubbling when the cap was off".
Please help as I have now ran out of money in trying to fix my engine just to drive it. The car has been off the road for 8 months now and is giving me the sh!ts.
Any would be appreciated...
Thank you...
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I supported Toymods
Location:
I renounced punctuation
Registered:
May 2002
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Re: Radiator Bubbling with no Explanation
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Wed, 13 October 2004 23:45
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You have to ask where is pressurized air entering your cooling system from?
Cracked block?
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I Supported Toymods
Location:
melbourne.vic.au
Registered:
May 2002
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Re: Radiator Bubbling with no Explanation
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Thu, 14 October 2004 00:21
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Good Question GT, Um... Never thought of the block  I don't know where the air pressure is comming from either 
Thanks for the Idea.
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Location:
Newcastle, Hunter Valley
Registered:
January 2004
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Re: Radiator Bubbling with no Explanation
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Thu, 14 October 2004 08:23
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Worn water pump?
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Location:
Parramatta
Registered:
July 2002
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Re: Radiator Bubbling with no Explanation
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Thu, 14 October 2004 09:10
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thurmostat maybe not opening fully... get the radiator services.. ire pull the tanks off and clean each section.
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Location:
Melbourne
Registered:
October 2003
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Re: Radiator Bubbling with no Explanation
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Thu, 14 October 2004 09:14
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How do you diagnose a stuffed water pump?
I'm experiencing Very similar problems. I just filled it with coolant only the day before yesterday and sure enough last night. It was up overheating again. The radiator cap is never hot though, I don't understand that point. So as always I release the cap a little while water and steam exit the overflow tube and into the bottle.
I have also replaced the Thermostat just recently to a new one.
My fan does squeek alot lately. Although tension seems fine.
How can a crack in the block be found easily? I fear this may be the case as i found coolant at the rear of the block just recently. But it may be explainable has to how it got there. (heating pipes detatchment)
A big thanks to anyone who is able to help me. The cooling system has given me nothing but trouble for a long time now.
Jacob
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Location:
Newcastle, Hunter Valley
Registered:
January 2004
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Re: Radiator Bubbling with no Explanation
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Thu, 14 October 2004 11:39
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just pull it off and check for corrosian
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I Supported Toymods
Location:
melbourne.vic.au
Registered:
May 2002
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Re: Radiator Bubbling with no Explanation
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Fri, 15 October 2004 08:48
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Alex_ta22,
I can eliminate the water pump as it is a new one. Though, it can be the problem. I'll find out tomorrow and run the car.
Cheers.
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Registered:
May 2004
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Re: Radiator Bubbling with no Explanation
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Mon, 18 October 2004 10:34
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If you can get the car up to N.O.T (normal operating temperature), the sure fire way would be to carry out a cylinder leakage test.
This will determine what cylinder is your problem cylinder, wheher it be in the block or cylinder head.
Even if the leakdown test revealed anything or not, then your next step would be to cary out a cooling system pressure test.
If after you have done these tests, you find that you have either air going into your radiator, or coolant into your cylinder.
If there is coolant going into your cylinder it doesn't necessarily mean head gasket, especially if you have just done one.
If you are not confident on carrying out these tests yourself, then i would take it to a reputable mechanic who you know will look after you.
Are you sure that you don't have an airlock within your cooling system? Airlocks can often make a simple problem look more dramatic than what it actually is.
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