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Re: Defective Jeep Thermostats
Posted to Technical Discussion Forum on 3/6/2023 43 Replies

I got a couple of new ones this morning to check for certain what this thing is.

It turns out this is NOT a jiggle valve at all. It is a check valve and is NOT an air bleed from the HOT ENGINE side as we may have thought. It is blocking flow from the hot eng... Login to read more.

43 Replies Received (View Replies)