I had a similar issue with coolant going missing and was able to have it pressure tested. They injected some dye into the system and looked for it with a black light. They were are to trace it to a tiny pin hole in the one of the heater core hoses.


87 Dodge Raider 4.3 Vortec work in progress
89 Dodge Raider 3.0 V6 Fully Restored
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