944 S L4-2479cc 2.5L DOHC (1987)
Valve Guide: Testing and Inspection
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 gauge must be aligned parallel to the valve disk.
4.
The tilt play is measured with 10 mm valve stroke (distance between the valve disk and valve seat). Wear limit for intake and exhaust guides =
0.80 mm.
