DEAR CAR TALK: My 2004 Jeep Grand Cherokee has 187,000 miles on it. I bought it new. What is a reasonable lifetime for shocks? I've been told to keep them if they aren't leaking. Mine don't have signs ...

The winter season wreaks havoc on a truck's suspension system and leaves truck parts like shock absorbers, stiff, brittle and unable to properly function through adverse road conditions like potholes.

Shock absorbers have been around in one form or another since the early 1900s, but those drivers wouldn’t recognize the sophisticated dampers used on street or off-road vehicles today. A shock ...