A sluggish transmission on a vintage car is a teachable moment on how old automatics work.
Dear Car Talk
Bill and his wife had a car years ago that would overheat on steep grades if they ran the AC. They've upgraded their cars since then but now they disagree on whether they still have to use the heater on inclines. Who's side will Car Talk take?
The air suspension system on Bonnie's 2003 Lincoln Navigator seems to work fine until the weather gets cold. Can Car Talk diagnose the problem?