Diesel Journal

Things To Look For When Buying A Used PSD
Turbo:
You might take the air tube off the back of the air filter and look inside of it. If there is dirt build up, that is a very bad sign, so are the turbo fins looking sand blasted or bent. A little oily film is normal since the valve cover breather exits inside the tube. Also, check the shaft outside of the fins for any signs of scuffing. Too much play in the fins so that it hits the shaft is NOT good.
Airbox:
Check the two bolts holding down the airbox [...]