Valve guides, checking

WARNING: This page is about a different car, the 2006 Audi A4, 2005 Audi A4, 2004 Audi A4, 2003 Audi A4, and 2002 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and equipment

Fig 1: Identifying Dial Gauge Holder VW 387

Courtesy of VOLKSWAGEN UNITED STATES, INC.

VW387 Dial gauge holder
Dial gauge

Work sequence

Fig 2: Identifying Special Tool - VW 387 Installed

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Insert valve into guide. Valve stem tip must seal with guide. Due to differences in valve stem diameter, make sure that only intake valves are used to check intake guides, and only exhaust valves are used to check exhaust guides.
Measure side play.

Wear limit

1024 Intake valve guide	1024 Exhaust valve guide
0.80 mm	0.80 mm

NOTE:

If wear limit is exceeded, re-measure using new valves. If wear limit is still exceeded, replace cylinder head. Valve guides cannot be replaced.
If valve is to be replaced during repair, use a new valve for measurement.