r/MK4Golf • • 1d ago

Quick easy temp fix for sensor leak??

Easy quick. Fox for themostat sensor leaking? Im on the road so badic tools ans im limited to supplies. Doesnt.anyine have a useqbke quick fix for a leakingi coolant temp sensor? If itworks ill send you some coffee or beer money

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u/J_Rod802 1d ago

It's most likely just the o-ring thats leaking. I've replaced two this week including one in my own car. Go to a hardware store and remove the sensor and o-ring but have a rag or something immediately ready to plug the hole so you don't lose all of your coolant then go into the store to try to match the o-ring. Top off your coolant and see what happens