I need a new expansion tank cap. Should it be rated for 13 lbs or 15-18? I am seeing conflicting info when I google it.
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Which radiator cap rating for my 62 Bird.
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Which radiator cap rating for my 62 Bird.
Tim, when you download the 1962 Shop Manual, and print it out, I think you will find that the answer to your question is 13lb. If I am wrong, someone can correct me, but, as memory serves me, that is what it is for our Squarebirds, and I think for the Bulletbirds...
Ray Clark - Squarebirds Administrator
The Terminator..... VTCI #11178 ITC #6000 Yellow Mustang Registry (YMR) #12188
Contact me via Private Message for my email address, or Call (Cell) 210-875-1411
https://www.squarebirds.org/picture_gallery/TechnicalResourceLibrary/trl.htm
Faye's Ovarian Cancer Memorial Website.
https://faye.rayclark.info/index.html -
Never put a higher psi cap on your car than it is designed for. 13lb is correct.
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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No. The release lever type cap is not OEM.
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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I put a new 13 psi cap on it. The reason I did was lately after a drive where it gets to running temp once I park it, the expansion tank is allowing a small amount of rad fluid go out (maybe a half a cup of fluid) the overflow line.
The car appears based off the gauge not to be overheating.
I did top off the tank to the bottom of the opening after I replaced the old radiator cap as its rubber seals were hard as rocks.Comment
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Which radiator cap rating for my 62 Bird.
As I recall, you are NOT supposed to fill up the expansion tank like that. When you do, you do not allow any room for heated water to expand, and it will start running out your drain hose... You should only have a small amount of water in the expansion tank to give it plenty of room to expand, say about a quarter of the tank, something like that. John or others can tell you how much, as I have forgotten..
Ray Clark - Squarebirds Administrator
The Terminator..... VTCI #11178 ITC #6000 Yellow Mustang Registry (YMR) #12188
Contact me via Private Message for my email address, or Call (Cell) 210-875-1411
https://www.squarebirds.org/picture_gallery/TechnicalResourceLibrary/trl.htm
Faye's Ovarian Cancer Memorial Website.
https://faye.rayclark.info/index.htmlComment
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ah, **** I am way over then. The last cap was letting air past its seal, you could hear it after you drove it, a fizzle sound, I checked the tank it was bone dry after a drive and once cooled down.
That is why I replaced that cap. I will take some of the fluid out and see what she does.
Now that I drive it more then it is used too I do pre and post drive look overs of the motor and the like just to see if any things starts leaking or who knows what.Comment
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Ray is correct about the level of coolant. If you still have that hissing sound after replacing the cap then you have a pin hole leak in the tank which is very common.
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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Which radiator cap rating for my 62 Bird.
IF, it turns out you do have a pin hole leak, that tank can be taken off and repaired, usually...
Ray Clark - Squarebirds Administrator
The Terminator..... VTCI #11178 ITC #6000 Yellow Mustang Registry (YMR) #12188
Contact me via Private Message for my email address, or Call (Cell) 210-875-1411
https://www.squarebirds.org/picture_gallery/TechnicalResourceLibrary/trl.htm
Faye's Ovarian Cancer Memorial Website.
https://faye.rayclark.info/index.htmlComment
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