SEAT Workshop Service and Repair Manuals > Leon Mk1 > Power unit | 4-cylinder injection engine (2.0 l., 2-valve) | Engine cylinder head, valve gear | Valve control

Valve guides: 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	Socket -T20020-, see equivalent → Anchor

t	Dial gauge

Test sequence

–	Insert a new valve into guide. The end of the valve stem must be flush with the edge of the guide. Due to the slight difference in stem dimensions, ensure that only an inlet valve is used in the inlet guide and an exhaust valve in the exhaust guide.

–	Determine amount of sideways play.

Wear limit:

Inlet valve guide: 1.0 mm

Exhaust valve guides: 1.3 mm

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