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14–10
Timing Mark
2004 COROLLA (RM1037U)
ENGINE MECHANICAL
(h)
Remove the camshaft with holding the timing chain.
A32125
(i)
Tie the timing chain with a string as shown in the illustra-
tion.
NOTICE:
Be careful not to drop anything inside the timing chain cov-
er.
A32556
(j)
Remove the valve lifters.
(k)
Using a micrometer, measure the thickness of the re-
moved lifter.
(l)
Calculate the thickness of a new lifter so that the valve
clearance comes within the specified value.
Valve clearance:
A01082
Intake A = B + (C – 0.20 mm (0.0079 in.)
Exhaust A = B + (C – 0.30 mm (0.0118 in.)
HINT:
Select a new lifter with a thickness as close as possible
S
to the calculated values.
Lifter are available in 35 sizes in increments of 0.020 mm
S
(0.0008 in.), from 5.060 mm (0.1992 in.) to 5.740 mm
(0.2260 in.).
(m)
As shown in the illustration, install the timing chain on the
Painted Link
camshaft timing gear, with the painted links aligned with
the timing marks on the camshaft timing sprocket.
A62195
–
VALVE CLEARANCE
A
B
C
Measured valve clearance
Thickness of new lifter
Thickness of used lifter
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