Porsche 944 Automobile User Manual


 
944 Engine/Cylinder Head, Valve Drive
15
Checking the valve guides
1.
Clean the valve guides thoroughly.
2. Use a new valve to measure the tilt
play.
3. Mount bar gate holder VW 387 on the
cylinder head. The dial gaugemust be
aligned parallel to the valve disk.
15/2
15/3
4.
The tilt play is measured with 10 mm
valve
stroke (distance betweenthe valve disk
and
valve seat). Wear limit for intake and
exhaust guides = 0.80 mm.
Checking the valve guides
Printed in Germany - XVII, 1988
15 - 123