SEAT Workshop Service and Repair Manuals > Leon Mk2 > Power unit | 4 Cylinder (1.4 l., 4 valve) injection engine | Engine cylinder head, valve gear | Valve mechanism: repairs

Valve guide: checking

Special tools and workshop equipment required

t	Support -T20020-

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.

t	Wear limit: 0.8 mm

If the rock is excessive:

–	Replace the cylinder head.

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