Kick them in the nuts and make them make sure it is not a cross-over pipe about to fail.I’ve had the same problem. First scare was at 22k and then again at 52k. We are still under warranty so have been giving JLR the opportunity to find the leaks and fix. First round they replaced the water pump, second time they pressurized the system but couldn’t find a leak so decided to replace the expansion tank and send us on our merry way. We’ve driven less than 2k miles with the new expansion tank and the coolant level has dropped below the cold engine range. Time to waste some more time talking to the JLR service manager wall.
If your not adding coolant on a regular basis, then it might just be air leaving the system over time. If you would call this a constant, unexplained loss of coolant. Then yes I have some suggestions. And if you find what I'm going to tell you about, I suggest you go to Walmart and buy a 4sale sign.Wife got the low coolant warning yesterday. The bottle is low. There is no sign of leakage anywhere including the crossover pipe under the intake manifold. Any suggestions?