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Old 05-27-2011, 08:35 AM   #31
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Thanks for the diagram, and the knowledge.

Would it be safe to assume that its not the actual radiator that is cracked if when i fill the reservoir it leaks until it is empty, but having not added any antifreeze in well over a month the engine it self never comes close to over heating, and i have not noticed any leaking?

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Old 05-28-2011, 06:27 AM   #32
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Quote:
Originally Posted by Pmedg View Post
Thanks for the diagram, and the knowledge.

Would it be safe to assume that its not the actual radiator that is cracked if when i fill the reservoir it leaks until it is empty, but having not added any antifreeze in well over a month the engine it self never comes close to over heating, and i have not noticed any leaking?
That is possible...what I would do is remove the coolant recovery bottle and inspect it...it slides up and out...standing in front of the vehicle looking down at the bottle you push on the lower portion of the bottle where it slides through the radiator housing and lift up...if it has a crack you should see it...


Although it is my opinion and we all know about opinions...judging from the photos, me believes you may have a crack in a heater hose...after elimination the reservoir...check the hoses...the leaking non leaking can be do to the of the low coolant thus as the pressure builds the lack of coolant results in a no leak situation...I could be wrong...I saw this before and found a small hole in a hose while the system was under pressure...the mini van in question was driven to my place the bottle was empty the engine was hot no leak...filled the radiator...pressurized the system...problem solved...


Auto zone rents/loans radiator pressure testers...see if you can get one and pressurize the system...


If not, remove the radiator cap fill the radiator, start the engine, let it run (5 to 10 minutes) when the thermostat opens the coolant level will drop, also as it starts to reach operating temperature the fluid level will rise, some may flow out of the radiator...when the thermostat opens fill the radiator and let the coolant circulate to release the air in the system...fill it up, put the cap on fill the recovery bottle aka reservoir and let the engine run and see where the leak is...Let us know what you find...

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