| mfirth | -- 08-24-2019 @ 3:52 PM |
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My upper rad. hoses collapse as my 8BA cools after running. Open the cap & they pop back to shape. Never noticed this before......info piease. THANKS in advance ! mike
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| 40cpe | -- 08-24-2019 @ 5:35 PM |
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The radiator should take in air through the overflow tube as the coolant cools/shrinks. If you have a pressure cap, check it. If no pressure cap, suspect a blocked overflow tube. You don't happen to have one of Skips 3# pressure valves, do you?
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| mfirth | -- 08-25-2019 @ 4:40 AM |
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Thanks 40cpe. I don't have Skips 3# valve. I'll check the cap, it's been there 4 a few years. Thanks again, just never encountered this before. mike
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| 37RAGTOPMAN | -- 08-25-2019 @ 11:23 AM |
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hi mfirth soft hoses could also cause this, if there is no wire spiral inside hoses can you collapse the hoses by hand ? I would refill the coolant, while the engine is running, when warm, put the cap on and check for leaks, see if there is any loss do you have a coolant pressure pump, you can also check the cap with one of these, [ one of the handiest tools ever ] if you do try adding a few lbs to the coolant system and see if you can see any leaks, keep a eye on the gauge and see if it drops, might be a very small leak and it that happens over time, hope this helps, 37Ragtopman
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