Timing Chain: Service and Repair

11 31 052 Replacing both timing chains (M57T2-SCR)

Special tools required:





Necessary preliminary work:
^ Remove engine
^ Remove cylinder head.
^ Remove oil sump
^ Replace crankshaft radial shaft seal
^ Remove gear case

Important!
Protect alternator against engine oil.
Cover alternator with suitable auxiliary materials.





(Risk of damage).
Assemble charge air hoses without grease and dry.





Lock chain tensioner (1) at bottom with special tool 11 3 340.

Detach tensioning rail (3).

Detach guide rail (4).

Installation Note:
Tightening torque 13 52 2AZ.





Assemble engine.