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Renewing valve stem seals >
< Installing
Golf Mk4
Power unit
4-cylinder injection engine (5-valve)
Engine cylinder head, valve gear
Repairing valve gear
Checking valve guides
Checking valve guides
Checking valve guides
Special tools and workshop equipment required
t
Universal dial gauge bracket -VW 387-
t
Dial gauge
Test procedure
–
Insert new valve into guide. The end of the valve stem must be flush with the guide. Due to differences in stem diameters, use only an inlet valve in inlet guide and an exhaust valve in exhaust guide.
–
Determine rock.
l
Wear limit: 0.8 mm.
If rock tolerance is exceeded:
–
Replace cylinder head.
Power unit
4-cylinder injection engine (5-valve)
Engine cylinder head, valve gear
Repairing valve gear
Checking valve guides
Renewing valve stem seals >
< Installing