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Removing and installing crankshaft pulley > < Removing and installing engine speed senderG28

Leon Mk2

Renewing crankshaft oil seal - pulley end
   
Renewing crankshaft oil seal - pulley end
Special tools and workshop equipment required
t  Oil seal extractor -3203-
t  Torque wrenches -V.A.G 1332-
t  Assembly tool -T10117-

Removing
–  Remove noise insulation.
Continuation for all vehicles
–  Remove front right wheel housing liner → General body repairs; Rep. gr.66.
–  Remove Poly V-belt → Chapter.
–  Removing and installing crankshaft pulley → Chapter.
–  Unscrew inner part of oil seal extractor -3203- 3 turns (approx. 5 mm) from the outer part and lock in position with the knurled screw.
   
–  Lubricate the threaded head of the seal extractor, position it by pressing firmly, and turn it into the seal as far as possible.
–  Slacken off knurled screw and turn inner part towards crankshaft until oil seal has been extracted.
–  Remove bearing bush from crankshaft journal and clean contact surfaces of crankshaft chain sprocket and bearing bush.
Fitting
  Note
t  From model year 2009, a diamond coated washer is installed. The washer prevent the crankshaft from being turned when the securing bolt is tightened.
t  Install a diamond coated washer -7- when a washer was not fitted as original equipment → Electronic parts catalogue„ETKA“.
t  The washer is fitted -7- between the bearing bush -5- and the crankshaft chain sprocket.
t  Note that all contact surfaces from the securing bolt to the crankshaft chain sprocket must be free of oil and grease.
  N13-0830
–  Clean sealing surfaces carefully. They must be free of oil and grease.
1 - Securing bolt
2 - Pulley for crankshaft
3 - Diamond coated washer (clipped onto crankshaft belt pulley)
4 - Crankshaft bearing seal
5 - Socket cap
6 - O ring
7 - Diamond coated washer
–  Push bearing bush onto crankshaft journal.
  N13-10421
–  Fit sleeve -T10117/2- onto bush and slide oil seal onto bush.
–  Remove sleeve -T10117/2- from bush.
  N13-0832
–  Drive oil seal into valve timing housing as far as to stop using assembly tool -T10117- and striking evenly with a hammer.
Further assembly is basically the reverse of the dismantling sequence.
  N13-0831

Removing and installing crankshaft pulley > < Removing and installing engine speed senderG28