Readings must be within limits given in table 4-51.
The letter L shows a loose fit. I f readings are not
within given limits, throw away part and get a new
I n t a k e valves (1) and exhaust valves (2) were
t a g g e d so the fit of each valve stem can be measured
i n valve guide it was taken from.
Measure a n d note outside diameter of stem of three intake valves (1).
Measure a n d note inside diameter of three intake valve guides (3) 1/8 to 1/4
i n c h from each end of guide. I f diameter is different at each end of guide,
n o t e biggest diameter.
M e a s u r e fit of stem of each intake valve (1) in its intake valve guide (3). Do
t h i s for all three intake valves and intake valve guides.
GO TO FRAME 6
Intake Valves and Guides Wear Limits
Size and Fit
of New Parts
Item /Point of Measurement
I n t a k e valve stem outside
0 . 4 3 6 8 to 0.4373
I n t a k e valve guide inside
0 . 4 3 8 8 to 0.4394
1 and 3
Fit of intake valve stem
i n intake valve guide
0.0015L to 0.0026L