View Single Post
  #12  
Old 04-30-2008, 10:00 PM
Parrot of Doom's Avatar
Parrot of Doom Parrot of Doom is offline
1997 W210 E300TD 243,000
 
Join Date: Mar 2006
Location: Manchester, UK
Posts: 983
Quote:
Originally Posted by Matt L View Post
I don't know the real name for it, but it sure looks like a puck. It's under the plastic cover.
Its an oil separator held down by 2 bolts, unlikely its making the noise.

Remove the black plastic cover and go from there. Whichever cylinder is knocking (if it is a cylinder) will be apparent just by resting a screwdriver on the injector line and putting your ear to the thick end.
Reply With Quote