Engine Mechanical: For J20 Engine 1D-97
9) Install timing chain cover. Refer to “Timing Chain
Cover Removal and Installation: For J20 Engine” for
installation.
10) Install cylinder head cover. Refer to “Cylinder Head
Cover Removal and Installation: For J20 Engine” for
installation.
11) Install oil pan. Refer to “Oil Pan and Oil Pump
Strainer Removal and Installation: For J20 Engine in
Section 1E” for installation.
12) Install engine assembly to vehicle referring to
“Engine Assembly Removal and Installation: For J20
Engine”.
13) Check valve lashes referring to “Valve Lash
(Clearance) Inspection: For J20 Engine”.
Camshaft, Tappet and Shim Inspection
S5JB0A1426031
Cam Wear
Using a micrometer, measure cam height. If measured
height is below its limit, replace camshaft.
Cam height “a”
Camshaft Runout
Set camshaft between two “V” blocks, and measure its
runout by using a dial gauge.
If measured runout exceeds the specified limit, replace
camshaft.
Runout limit
0.03 mm (0.0012 in.)
Camshaft Journal Wear
Check camshaft journals and camshaft housings for
pitting, scratches, wear or damage.
If any malcondition is found, replace camshaft or cylinder
head with housing. Never replace cylinder head without
replacing housings.
Check clearance by using gauging plastic. Checking
procedure is as follows.
1) Clean housings and camshaft journals.
2) Make sure that all tappets with shims are removed
and install camshafts to cylinder head.
3) Place a piece of gauging plastic to full width of
journal of camshaft (parallel to camshaft).
4) Install camshaft housing.
5) Tighten camshaft housing bolts in such order as
indicated in figure a little at a time till they are
tightened to specified torque.
NOTE
Do not rotate camshaft while gauging plastic
is installed.
Tightening torque
Camshaft housing bolt (a): 11 N·m (1.1 kgf-m,
8.0 lb-ft)
Cam
height
Standard
Limit
Intake
cam
45.669 – 45.829 mm
(1.798 – 1.8043 in.)
45.550 mm
(1.793 in.)
Exhaust
cam
45.550 – 45.710 mm
(1.7933 – 1.7996 in.)
45.430 mm
(1.789 in.)
I5JB0A142034-01
I2RH01140109-01
IYSQ01143105-01
“20”, (a)
“10”, (a)
“9”, (a)
“2”, (a)
“1”, (a)
“6”, (a)
“16”, (a)
“15”, (a)
“13”, (a)
“17”, (a)
“19”, (a)
“18”, (a)
“5”, (a)
“12”, (a)
“21”, (a)
“11”, (a)
“4”, (a)
“3”, (a)
“8”, (a)
“14”, (a)
“7”, (a)
I5JB0A142035-02
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