Subaru 2009 IMPREZA Service Manual page 1086

MECHANICAL
B: ADJUSTMENT
CAUTION:
If engine oil is spilt onto the exhaust pipe, wipe
it off with cloth to avoid emission of smoke or
causing a fire.
NOTE:
Adjustment of valve clearance should be per-
formed while engine is cold.
1) Measure all the valve clearances. <Ref. to
ME(H4DOTC)-26, INSPECTION, Valve Clear-
ance.>
NOTE:
Record each valve clearance after measurement.
2) Remove the camshaft. <Ref. to ME(H4DOTC)-
61, REMOVAL, Camshaft.>
3) Remove the valve lifter.
4) Measure the thickness of valve lifter using mi-
crometer.
5) Select a valve lifter of suitable thickness from the
following table using the measured valve clearance
and valve lifter thickness, and install it.
NOTE:
Use a new valve lifter.
Intake valve: S = (V + T) – 0.19 (0.0075)
Exhaust valve: S = (V + T) – 0.35 (0.0138)
S: Valve lifter thickness required
V: Measured valve clearance
T: Valve lifter thickness to be used
Valve Clearance
ME-00024
ME-00025
Unit: mm (in)
ME(H4DOTC)-28
Part No.
13228 AB102
13228 AB112
13228 AB122
13228 AB132
13228 AB142
13228 AB152
13228 AB162
13228 AB172
13228 AB182
13228 AB192
13228 AB202
13228 AB212
13228 AB222
13228 AB232
13228 AB242
13228 AB252
13228 AB262
13228 AB272
13228 AB282
13228 AB292
13228 AB302
13228 AB312
13228 AB322
13228 AB332
13228 AB342
13228 AB352
13228 AB362
13228 AB372
13228 AB382
13228 AB392
13228 AB402
13228 AB412
13228 AB422
13228 AB432
13228 AB442
13228 AB452
13228 AB462
13228 AB472
13228 AB482
13228 AB492
13228 AB502
13228 AB512
13228 AB522
13228 AB532
13228 AB542
13228 AB552
13228 AB562
13228 AB572
13228 AB582
13228 AB592
Thickness mm (in)
4.68 (0.1843)
4.69 (0.1846)
4.70 (0.1850)
4.71 (0.1854)
4.72 (0.1858)
4.73 (0.1862)
4.74 (0.1866)
4.75 (0.1870)
4.76 (0.1874)
4.77 (0.1878)
4.78 (0.1882)
4.79 (0.1886)
4.80 (0.1890)
4.81 (0.1894)
4.82 (0.1898)
4.83 (0.1902)
4.84 (0.1906)
4.85 (0.1909)
4.86 (0.1913)
4.87 (0.1917)
4.88 (0.1921)
4.89 (0.1925)
4.90 (0.1929)
4.91 (0.1933)
4.92 (0.1937)
4.93 (0.1941)
4.94 (0.1945)
4.95 (0.1949)
4.96 (0.1953)
4.97 (0.1957)
4.98 (0.1961)
4.99 (0.1965)
5.00 (0.1969)
5.01 (0.1972)
5.02 (0.1976)
5.03 (0.1980)
5.04 (0.1984)
5.05 (0.1988)
5.06 (0.1992)
5.07 (0.1996)
5.08 (0.2000)
5.09 (0.2004)
5.10 (0.2008)
5.11 (0.2012)
5.12 (0.2016)
5.13 (0.2020)
5.14 (0.2024)
5.15 (0.2028)
5.16 (0.2031)
5.17 (0.2035)