seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Removing and installing sealing flange - pulley end > < Sealing flanges and flywheel - component overview
Crankshaft oil seal, pulley end: replace
Crankshaft oil seal, pulley end: replace
t  Removing → Anchor.
t  Installing → Anchor.
   
Consult the equivalence table for tools and equipment according to applicability among Seat / VW / Audi / Skoda → Chapter.
Special tools and workshop equipment required
t  Extractor -3203-, see equivalent
t  Hose clamp -3415-, see equivalent → Anchor
t  Guide sleeve -T10053-, see equivalent → Anchor
t  Torque wrench -VAG 1331-, see equivalent → Anchor.
t  Torque wrench -VAG 1332-, see equivalent → Anchor.

Removing
l  Engine installed.
–  Remove toothed belt → Chapter.
   
–  Remove crankshaft sprocket. For this purpose, lock using the retention tool -3415-.
  N13-0401
–  To guide the extractor, turn the centre bolt in the crankshaft all the way in by hand.
–  Unscrew from the exterior the interior of the extractor -3203- nine revolutions (approx. 20 mm) and with the knurled thumb screw lock.
  A13-0067
–  Lubricate the threaded head of the seal extractor -3203-, position it by pressing firmly, and turn it into the seal as far as possible.
–  Loosen knurled screw and turn inner part against crankshaft until oil seal is pulled out.
Installing
–  Remove oil residue from crankshaft journal using clean cloth.
  A13-0060
–  Slide the guide sleeve -T10053/1- onto the crankshaft journal.
–  Slide the dry seal onto the guide sleeve up to the crankshaft journal.
  N13-0548
–  Fit the seal into position with the guide sleeve -T10053- and the special bolt -T10053/2- (M16 x 1.5 x 60) as far as it will go.
  Note
t  There should be no oil on the contact surface between the notched pulley, the diamond-coated washer and the crankshaft.
t  Replace the centre bolt.
t  The thread and collar must be free of oil and grease.
  N13-0515
–  Fit the sprocket -2- with a diamond-coated washer -3- and tighten the bolt -1- by hand.
  A13-10316
–  Immobilise the sprocket using the retention tool -3415-
–  Tighten the new screw to 120 Nm + 1/4 turns (90°). Turning further can be done in several stages.
Further assembly is basically the reverse of the dismantling sequence. Note the following:
–  Install toothed belt (adjust valve timing) → Chapter.
–  Install vibration damper → Chapter.
–  Install the Poly-V belt with the idler roller → Chapter
–  Install the Poly-V belt with the tension element → Chapter
  N13-0401

Removing and installing sealing flange - pulley end > < Sealing flanges and flywheel - component overview