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Engine Coolant Leak

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  • StudeRich
    replied
    That would depend on the YEAR of the replacement Block and whether a Truck or Car Engine.

    See your own String this.

    You May have put the Filler Tube in the wrong Hole if it has no dipstick hole at the Rear, you need to move the Pipe to the Rear Hole and Buy a Dipstick Oil Cap.
    Last edited by StudeRich; 03-03-2020, 11:08 PM.

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  • Jwboff
    replied
    I’m in the process of replacing the engine in my 51 champion. The donor engine was from a flathead six. I placed the oil filler tube towards the generator . Where does the oil dipstick go? The oil sump is is to the rear near tranny.
    Last edited by Jwboff; 03-03-2020, 06:23 PM.

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  • phwold
    replied
    I had leaks at the block-off-plates. My mechanic found that the bolts I had used were a little too long for their holes, not allowing the bolt heads to seal off the gaskets. He used shorter bolts and corrected the leaks.

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  • JoeHall
    replied
    Reading your last post, if no drops are showing up on the floor overnight after a drive, you don't even have a leak at this point, more of a, "weep" or seepage. Good luck striving for a bone dry Stude. LOL

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  • doofus
    replied
    I would be looking hard at the water manifold about now.i have seen many instances of gaskets rotting away and coolant migrating to the rear area like yours. Luck Doofus

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  • JoeHall
    replied
    I'd just keep driving it as is, but keep an eye on the leak. Eventually it may worsen to the point you can find the source, or not. Sometimes leaks get worse, or better. Road wind also blows liquids around, making it hard to find the source. In any case, it's not unusual to have several drops of oil and/or antifreeze on the floor under a driven Stude. It helps to keep a large drip pan underneath, to keep the floor clean and help pinpoint where the drops are falling.
    Last edited by JoeHall; 02-23-2020, 05:26 AM.

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  • fpstude
    replied
    Everyone, thanks for the input. The block off plate photos were a great aid. Thanks altair

    I replaced the leaked coolant. Took the car for a five mile run, getting the temperature and water pressure up to normal. I then obtained the following observations:

    -The edge of head gaskets are dry.
    -"pipe" plugs in the block are dry.
    -Heater hoses are connected to the front area of the engine and dry.
    -The area around the block off plates are dry.
    -The temperature sending unit is dry.

    At this time there is no dripping onto the floor under the car. Wednesday the car will get a 30 mile run. This will be a good test. I know these things don't auto correct.

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  • 55coupe
    replied
    Perry did you find the block off plates ? Because the heads are reversible you could bolt the water pump on either end

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  • bensherb
    replied
    My GT originally had one of the heater hoses connected to the right side block off plate. I moved it to the water manifold and made a new thicker block off plate because the thin stock one would just no longer seal due to rust pitting and lack of flatness from over tightend bolts. The leaking looked exactly as yours does.

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  • altair
    replied
    possible source of your leak

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  • studegary
    replied
    With what appears to be a very small leak, it may be the temperature sender itself or its mounting (screw in).

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  • PackardV8
    replied
    Originally posted by fpstude View Post
    What is, and where is the block off plate?
    At the rear of both cylinder heads. Some are plain plates, some have the water temperature sender threaded in.

    jack vines

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  • fpstude
    replied
    What is, and where is the block off plate?

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  • 55coupe
    replied
    Good to hear your up and about my guess would be the block off plate

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  • fpstude
    replied
    Thanks for the input. I'll be spending some quality time with my "mirror on a stick".

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