SEAT Workshop Service and Repair Manuals > Leon Mk2 > Power unit | 4 cylinder Injection engine (2.0l, 4V Direct injection, turbocharger and chain control) | Engine cylinder head, valve gear | Valve control

Valve guides: verification

Special tools and workshop equipment required

t	Universal dial gauge bracket -VW 387-

t	Dial gauge -VAS 6079-

Checking sequence

–	Insert a new valve in the guide. The end of the valve stem must be flush with the guide. On account of differing stem diameters, only use inlet valve in inlet guide and exhaust valve in exhaust guide.

–	Measure the amount of sideways play.

Wear limit

Inlet valve guide	Exhaust valve guide
0.80 mm	0.80 mm

Note

t	If the wear limit is exceeded, repeat the measurement with new valves. Renew cylinder head if wear limit is still exceeded.

t	If the valve is to be renewed as part of a repair, use a new valve for the calculation.

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