vw_john 10 Posted January 7, 2012 Taking the rado to bits today to do a cambelt and waterpump change, water pumps impellers were shot. anyway, i was looking at the coolant pipe that houses the 2 coolant temp senders and underneath found another one! nothing was plugged into it. what is it for? ill up-load a picture in a second ---------- Post added at 07:01 PM ---------- Previous post was at 06:56 PM ---------- Quote Share this post Link to post Share on other sites