Valve guides, checking: Notes

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2004 Audi A6, 2003 Audi S6, 2003 Audi A6, 2002 Audi S6, and 2002 Audi A6. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and equipment:

Dial indicator bracket VW 387
Dial indicator

CAUTION: Because of the difference in stem diameters, always use an intake valve to check intake valve guides and only use an exhaust valve to check exhaust valve guides.

Fig 1: Identifying Dial Indicator Bracket VW 387

Courtesy of AUDI OF AMERICA, INC.

Install valve in valve guide so that end of valve stem is flush with end of guide.
Measure amount of rock (axial play).

Fig 2: Measuring Amount Of Valve Rock (Axial Play)

Courtesy of AUDI OF AMERICA, INC.