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Old 07-07-2019, 06:37 PM   #1 (permalink)
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Default 87 Samurai Coolant Leak

OK, where is it? I have a very slight but noticeable coolant leak coming from somewhere above the starter motor. I don't think it's coming from any of the hoses. Maybe somewhere in the heater? Any ideas?
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Old 07-07-2019, 07:28 PM   #2 (permalink)
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Should I assume that you know the heater is on the passenger side of the firewall?
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Old 07-07-2019, 08:15 PM   #3 (permalink)
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Quote:
Originally Posted by fordem View Post
Should I assume that you know the heater is on the passenger side of the firewall?
Well, I do know that part of the heater is on the passenger side but the on/off valve controlling the flow of water and some related parts are in the engine compartment. I can't see where the coolant is coming from but I do see it dripping onto the starter. It could also be coming from the carburetor or maybe even a crack in the block.
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Old 07-07-2019, 10:01 PM   #4 (permalink)
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So, do I need to continue to point out the obvious? You need to look and see where the water is leaking from - if you can see it dripping onto the starter, you should be able to see where the drip originates, even if you need a flashlight and a mirror to do so.

There are a couple of options available to you - run the engine until it heats up enough to pressurize the cooling system, or, get one of the hand pump type pressure testers and pump the system up to 15 psi.
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Old 07-08-2019, 02:52 PM   #5 (permalink)
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Chances are its one of the hose that go into the intake manifold from the heater valve. Its almost directly above the starter.
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