Join Date: Nov 2002
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Re: Radiator Low in \'84 CJ7 258
Maybe a small leak somewhere in the system so you are sucking in some air rather than from the overflow. Check out hoses, water pump and heater core. If your hoses are at the end of their expected life I would replace them as a first step if you don't find anything on close inspection. After that all I could say is leak test it with dye.