audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Engine cylinder head, valve gear > < Piston and cylinder dimensions
Checking radial clearance of conrod bearings
Checking radial clearance of conrod bearings
Special tools and workshop equipment required
t  Plastigage
Procedure
–  Remove conrod bearing cap. Clean bearing cap and bearing journal.
–  Place a length of Plastigage corresponding to the width of the bearing on the bearing journal or bearing shell.
–  Fit conrod bearing cap and tighten to 30 Nm. Do not rotate crankshaft.
–  Remove conrod bearing caps once more.
–  Compare width of Plastigage with measurement scale:
l  Radial clearance (new): 0.010 ... 0.052 mm.
l  Radial clearance (wear limit): 0.12 mm.
–  Renew bolts for conrod bearings.
   

Engine cylinder head, valve gear > < Piston and cylinder dimensions