Universal dial indicator holder VW387
Dial indicator
Work sequence
Fig. 224: Identifying Special Tool - VW 387 Installed
Courtesy of VOLKSWAGEN UNITED STATES, INC.
Insert valve into valve guide. Valve stem end must be flush with guide. Due to slight difference in stem
diameters, ensure that only an intake valve is used in an intake guide and an exhaust valve in an exhaust
guide.
Measure lateral play.
Wear limit
Valve seats, refacing
Special tools, testers and auxiliary items required
Depth gauge
Valve seat grinding tool
Intake valve guide Exhaust valve guide
0.80 mm 0.80 mm
NOTE:
If wear limit is exceeded, repeat measurement with new valve. If wear limit
is again exceeded, replace valve guide.
If valve is to be replaced as part of a repair, use a new valve for
calculation.
NOTE:
If a good seating pattern cannot be obtained by lapping valve seats, they
must be refaced.
2005 Audi A4 Quattro
ENGINE 1.8 Liter 4-Cyl. 5V Turbo Engine Mechanical, Engine Code(s): AMB
1:01:07 AM Page 150
To Next Page
