Tighten the radiator draincock and the cylinder block drain plug s if removed.
Jeep radiator drain plug leak.
The plastic plug can be a royal pain.
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It s best to replace it every 10 years or so because the single o ring that provides the seal starts to give and it becomes the weakest link in your cooling system.
Mine snapped off because it is plastic so i had to figure out a way to replace.
Many of you with an aftermarket radiator will have this plastic drain plug.
My 2002 jeep liberty 3 7 liter is leaking coolant the drain plug aka radiator drain has an o ring on it that does wear out over time causing a leak.
Remove the cooling system bleed plug from the radiator upper hose inlet housing.
This is a short tutorial video on how to replace your radiator drainage plug.
You can remove and replace these relatively ease.
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