They will do that, since it is cold out mine has been leaking coolant like crazy. I have finaly tightened all those $%^& leaking hoses.

On my SDL at least I have to pop up the ABS computer and then I can look between the fire walls at the maze of heater hoses back their. A good flashlight and long flat blade screwdriver is all you need.

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2016 Corvette Stingray 2LT
1969 280SE
2023 Ram 1500
2007 Tiara 3200