[W126 Coupe] Can someone help me with a vin number

[airedale at sbcglobal.net]

They did replace the oil tube, on both sides, at the last cam change. When I suggest the lubrication issue they mentioned that the oil tubes were actually fed through this tower. Now that I look at your picture that does not seem correct, the tube system feeds them as well as the cam lobes. Thanks for your thoughts and picture.
John
  ----- Original Message ----- 
  From: Chet Hwilka 
  To: Mercedes Coupes Mailing Lists 
  Sent: Saturday, November 19, 2005 7:44 AM
  Subject: RE: [W126 Coupe] Can someone help me with a vin number


  .. My pristine '91 560SEC snapped a camshaft for the second time in less than a month.

   

  I don't recall anyone else on this list having a snapped camshaft before and for you to have 2 would suggest to me that it's not defective cams.   When the first cam was removed was there any signs of excessive wear or heat on the bearing surfaces?   Maybe the last cam tower isn't getting enough oil, causing the cam to heat up in that bearing, expand, seize up and snap.

   

  Did your mechanic replace the oil tube?  The plastic connectors can become brittle and break, not allowing oil to get to the cam surfaces.

   

  Chet

   

   

   

   



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