My upper hose needs replacing, the shop manual says to drain the radiator, is this necessary, is there an easier way? Any help would be much appreciated. Thanks!
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How much coolant is in your overflow tank. If there's not much in there you can pull off the hose from the radiator and just let it spill into a pan. Since you're not reusing the hose you can also just cut it with a razor knife and let it drain out slowly to minimize the mess.
JohnLast edited by jopizz; July 24, 2017, 06:33 PM.John Pizzi - Squarebirds Administrator
Thunderbird Registry #36223
jopizz@squarebirds.org 856-779-9695
https://www.squarebirds.org/picture_gallery/TechnicalResourceLibrary/trl.htm -
You will have to drain it a bit to get the coolant level below the level of the hose you're replacing.
Thankfully there is a little tap gizmo at the bottom of the radiator about 15" below the top hose fitting on the radiator.
How you catch the resulting coolant I'll leave to you but a tray with a large surface area would be a good start.!A Thunderbirder from the Land of the Long White Cloud.Comment
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John Pizzi - Squarebirds Administrator
Thunderbird Registry #36223
jopizz@squarebirds.org 856-779-9695
https://www.squarebirds.org/picture_gallery/TechnicalResourceLibrary/trl.htmComment
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Once I get the new hose on and top off the radiator, is there a process to purge the air from the system? Thanks!Comment
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If you drill 2 - 1/8 holes in thermostat it will allow air to burp from engine system.( in flat body of thermostat )sigpicSawmill Guru Registry #21424Comment
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JohnLast edited by jopizz; July 25, 2017, 10:27 AM.John Pizzi - Squarebirds Administrator
Thunderbird Registry #36223
jopizz@squarebirds.org 856-779-9695
https://www.squarebirds.org/picture_gallery/TechnicalResourceLibrary/trl.htmComment
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I put the new hose on, added some coolant, let it run, but I couldn't get the temp. To go over 181 degrees, I think I have a 190 degree thermostat, the coolant was bubbling and moving around, so I shut off the car, do you think it's ok? Thanks!Comment
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I probably should have made the rational behind drilling holes in thermostat available, but it was early in the morning and I wasn't quite sharp yet.
The common thought is that sometimes an air pocket will be trapped in motor cooling jackets and be dislodged by a sudden bump, roll, or angle of the car when driving. If this air pocket is large enough to fill the void of the thermostat temperature spring the water will keep getting hotter and hotter and the air pocket will not transfer enough heat to open thermostat.
By drilling these holes you allow this air to escape without changing the performance of the thermostat.sigpicSawmill Guru Registry #21424Comment
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JohnJohn Pizzi - Squarebirds Administrator
Thunderbird Registry #36223
jopizz@squarebirds.org 856-779-9695
https://www.squarebirds.org/picture_gallery/TechnicalResourceLibrary/trl.htmComment
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Yeah, I replaced the coolant that i took out, it was pretty nasty, I figure I will drive the car, get it up to operating temperature and watch the temp gauge, then add more if needed.Comment
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I probably should have made the rational behind drilling holes in thermostat available, but it was early in the morning and I wasn't quite sharp yet.
The common thought is that sometimes an air pocket will be trapped in motor cooling jackets and be dislodged by a sudden bump, roll, or angle of the car when driving. If this air pocket is large enough to fill the void of the thermostat temperature spring the water will keep getting hotter and hotter and the air pocket will not transfer enough heat to open thermostat.
By drilling these holes you allow this air to escape without changing the performance of the thermostat.
JohnJohn Pizzi - Squarebirds Administrator
Thunderbird Registry #36223
jopizz@squarebirds.org 856-779-9695
https://www.squarebirds.org/picture_gallery/TechnicalResourceLibrary/trl.htmComment
Comment