Volkswagen Passat 1995 Official Factory Repair Manual page 105

Cylinder head, disassembling and assembling
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW...
Valve guide wear, checking
Special tools, testers and auxiliary items
Dial indicator
Holder VW 387
New intake and exhaust valves (2)
Checking
- Place new valve in guide.
Valve stem end must be flush with guide
CAUTION!
Intake guides and exhaust guides have
different diameters. Be sure to insert an
intake valve in intake valve guides and an
exhaust valve in exhaust valve guides.
- Install VW387 and dial indicator on cylinder
head, adjacent to guide being checked.
- Rock valve back and forth (arrows) against d
indicator and note total travel.
Wear limit
Intake valve guide: 1.0 mm (0.040 in.)
Exhaust valve guide: 1.3 mm (0.051 in.)
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5/12/2004