Suzuki Liana RH418, Supplementary Service Manual

Page: 168 / 371

1D-42 Engine Mechanical:
If bore gauge is not available, check end deflection of
valve stem with a dial gauge instead.
Move stem end in directions (1) and (2) to measure end
deflection.
If deflection exceeds its limit, replace valve stem and
valve guide.
Valve stem end deflection limit
In: 0.14 mm (0.005 in.)
Ex: 0.18 mm (0.007 in.)
Valves
• Remove all carbon from valves.
• Inspect each valve for wear, burn or distortion at its
face and stem end, as necessary, replace it.
• Measure thickness “a” of valve head. If measured
thickness exceeds limit, replace valve.
Valve head thickness (In and Ex)
Standard: 1.25 – 1.55 mm (0.050 – 0.061 in.)
Limit: 0.9 mm (0.035 in.)
• Inspect valve stem end face for pitting and wear. If
pitting or wear is found there, valve stem end may be
resurfaced, but not so much as to grind off its
chamber. When it is worn out too much that its
chamber is gone, replace valve.
• Check each valve for radial runout with a dial gauge
and “V” block. To check runout, rotate valve slowly. If
runout exceeds its limit, replace valve.
Limit on valve head radial runout
0.08 mm (0.003 in.)
IYSQ01141096-01
I2RH0B140102-01
I2RH01140135-01
I2RH01140136-01