Hello,
No, they DON"T all leak. Just do careful checks at all the seals and screw holes that attach things. My two cars run for hours on the water with only a couple of paper towels worth of water getting in. Spend some time floating the car and checking for leaks. Use a mirror and a flashlight to check for leaks at the screws that attach the horizontal rear bumper strips.
John Friese
67 White
67 Red
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