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Re: Defective Jeep Thermostats
Posted to Technical Discussion Forum on 3/6/2023 1 Reply

I don't know if the jiggle valve is going to cause the issue you are describing, it's there to aid in releasing small air pockets that may form over the life of the cooling system. The bleeder has a port through the housing to allow the air to escape when fill... Login to read more.

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