I give up, how do the clips that hold the automatic door lock vacuum lines onto the pump work? They did not "pull" out and I did not want to break them to find out. What do I do to release the line so that I can test the individual line for leaks? The car is a E320 Wagon.

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Jim Villers
190SL, 230SL 5-speed, 95 E320 Wagon, 01 E320 Wagon, MGB, Boxster 'S', 190SL "Barn Find"