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Diagnosing coolant leak at rear of engine - 30 Buick Series 68


Guest 55rap

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Guest 55rap

I have a 1930 Buick Seies 68 and have been doing a frame on restoration. The radiator was sent out and boiled, chrome redone, etc. but when reinstalled I see coolant dripping out the back of the block area over the clutch housing. The space is limited but it appears to be the upper block or gasket and I was not planning to remove the engine so is that my only option now? I would appreciate any tips or assistance in trying to avoid getting too deeply involved and diagnosing this accurately. Thanks, Bob

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Guest 55rap

Thank you, but they are located on the side behind the pushrods, though I should pull the covers to check as they may be leaking out the back somehow.

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Guest 55rap

If it's there I couldn't see it but I hope you are right. I tried to get my phone camera back there but not much to see. Perhaps someone has an idea of how to gain access.

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Guest prs519

I know most consider leak-stopper additives questionable. That said, I would think the Aluma Seal or similar product might be a great match for an antique car. It worked wonders on my 92 Towncar. I believe it works by expanding at the point where the crack meets oxygen, swelling to seal the leak.

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