1D-27 Power Unit Mechanical:
7) Apply engine oil lightly to housing bolts.
8) Lightly seat all housing bolts.
According to numerical order in figure, tighten bolts
to 1/3 of specified torque, then 2/3 of specified
torque and finally to full specified torque.
Tightening torque
Camshaft housing bolt (a): 11 N·m (1.1 kgf-m,
8.0 lbf-ft)
9) Install timing chain.
Refer to “Timing Chain, Chain Tensioner and
Camshaft Sprockets Removal and Installation”
(Page 1D-20).
10) Adjust tappet clearance.
11) Install oil pump.
Refer to “Oil Pump Removal and Installation” in
Section 1E (Page 1E-3).
Camshaft, Tappet and Shim Inspection
Z9J0111406014
NOTE
If any component is worn excessively,
cracked, defective or damaged in any way, it
must be replaced.
Cam Face
Inspect cam face for scratches and wear.
If any of the above conditions are found, replace
camshaft.
Cam Wear
Using micrometer, measure cam height.
If measurement exceeds service limit, replace camshaft.
Cam height “a” (for DF70A)
Cam height “a” (for DF80A)
Cam height “a” (for DF90A)
“1”
“2”
“3”
“4”
“5”
“6”
“7”
“8”
“9”
“10”
“11”
“12”
“13”
“14”
“15”
“16”
“17”
“18”
“19”
“20”
“21”
(a)
I9J011140195-04
Standard Service limit
IN
38.620 – 38.780 mm
(1.5205 – 1.5268 in)
38.520 mm
(1.5165 in)
EX
40.920 – 41.080 mm
(1.6110 – 1.6173 in)
40.820 mm
(1.6071 in)
Standard Service limit
IN
39.620 – 39.780 mm
(1.5598 – 1.5661 in)
39.520 mm
(1.5559 in)
EX
40.920 – 41.080 mm
(1.6110 – 1.6173 in)
40.820 mm
(1.6071 in)
Standard Service limit
IN
41.120 – 41.280 mm
(1.6189 – 1.6252 in)
41.020 mm
(1.6150 in)
EX
40.920 – 41.080 mm
(1.6110 – 1.6173 in)
40.820 mm
(1.6071 in)
I9J011140196-01
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