Severe engine shake at idle

I had some work done recently (installed the Monark injector tips and the radiator hose with the electric heater element in it) as well as some front end work (ball joint, etc.) All of a sudden I'm getting the shake, shake, shake, shake your booty from the engine at idle. It runs great and the shake is more pronounced when cold. Never had it before it went into the shop (bet you never heard that Kent!) So, tips anyone? Engine shocks? TIA Ben

Forums

Diesel Engine Specific Aid

Chassis Model Number

W123

Check your engine mounts and

Check your engine mounts and shocks. My 240d shakes a lot when it's cold or in idle because of a shot engine mount.

Suspect engine misfire

Ben, from your description I would suspect one or two of your cylinders are misfiring at idle. This is what causes severe shaking. If it did not do it before I would suspect one or more of the injectors are not operating properly. Use the tips outlined in my Diesel Performance Tuning Guide to determine which cylinder may not be firing.