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SEAT Workshop Service and Repair Manuals

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Check timing: adjustment > < Assembly overview

Leon Mk2

Check timing: checking
Check timing: checking
Consult the equivalence table for tools and equipment according to applicability between Seat / VW / Audi / Skoda → Chapter
   
Special tools and workshop equipment required
t  Spark plug spanner -3122 B-, see equivalent → Anchor
t  Torque wrench (5 -50 Nm) -V.A.G 1331-
t  Dial gauge -VAS 6079-
t  Extractor -T10094A-, ver nota → Anchor
t  Dial gauge adapter -T10170-
t  Camshaft fastener -T10171-

Test sequence
–  Remove air filter → Chapter and remove camshaft covers.
–  Desmontar la bujía del cilindro 1. Utilizar para ello el extractor -T10094A- y la llave de bujías -3122 B-.
   
–  Tighten the dial gauge adapter -T10170- as far as possible on the thread of the spark plug.
–  Fit the dial gauge -VAS 6079- with the extension -T10170/1- as far as possible and fasten using the retainer nut -arrow-.
–  Turn the crankshaft in the direction of engine rotation to TDC cylinder 1. Check the position of the small needle on the dial gauge.
  N15-0653
The openings -arrows- of the camshafts should be in the positions shown. Where necessary, turn the crankshaft one turn (360°).
  Note
t  If the crankshaft is turned beyond TDC by more than 0.01 mm, the crankshaft should be turned a further 45° in the opposite direction to that of the engine rotation. Next, turn the crankshaft in the direction of engine rotation to TDC cylinder 1 .
t  Permitted deviation with respect to TDC cylinder 1: ±0.01 mm
  N15-0657
–  Fit the camshaft fastener -T10171- as far as possible into the openings in the camshaft.
The locking pins -arrow 1- should fit in the openings -arrow 2-. The word “TOP”-arrow 3- should be legible from above.
If the camshaft fastener -T10171- can not be fitted to the end in the openings in the camshaft, the distribution timing is incorrect and should be adjusted → Chapter.
If the camshaft fastener -T10171- can be fitted to the end in the openings in the camshaft, the distribution timing is correct.
Continue installation following reverse order for removing. The following must be taken into account:
t  Replace the seals of the camshaft covers and lubricate with oil before assembly.
  N15-0659

Check timing: adjustment > < Assembly overview