Isuzu engine C22NE / 22LE / 20LE. Service manual — part 12
6A-30 ENGINE MECHANICAL (C22NE, 22LE, 20LE)
2.
Install cable to temperature sensor.
3.
Install upper bolts of rear toothed belt rear cover.
4.
Install camshaft timing gear then check timing according
to the corresponding operation.
5.
Install camshaft housing cover.
6.
Install toothed belt and front cover.
7.
Fill up and bleed cooling system according to the
corresponding operation.
Tighten (Torque)
Thermostat housing to cylinder head - 15 N
⋅
m/1.5 kgf
⋅
m.
Seal Ring - Front Camshaft Housing, Replace
Removal
Mark running direction of toothed belt.
Remove toothed belt-see operation “Toothed Belt, Replace”.
Camshaft housing cover, camshaft pulley-counterhold on hex
of camshaft.
Removal
Screw self-tapping screw into seal ring.
Edge out seal ring.
Installation
Lightly coat sealing lip of seal ring with protective grease.
Install seal ring with 5-8840-0451-0 into camshaft housing-use
screw and washer of camshaft pulley.
ENGINE MECHANICAL (C22NE, 22LE, 20LE) 6A-31
Installation
Camshaft pulley-counterhold at hex head of camshaft,
camshaft housing cover.
Toothed belt-see operation “Toothed Belt, Replace”.
Note operating erection of toothed belt.
Tighten (Torque)
Camshaft pulley to cammshaft-45 N
⋅
m (3.7 kgf
⋅
m)
Tighten (Torque)
Camshaft housing cover to cover to housing-8 N
⋅
m (0.8 kgf
⋅
m)
6A-32 ENGINE MECHANICAL (C22NE, 22LE, 20LE)
Toothed Belt Rear Cover
(Engine with toothed belt tension
roller)
Removal
1.
Mark operating direction of toothed belt.
2.
Remove toothed belt according to the operation "Toothed
Belt".
3.
Remove toothed belt tension roller according to the
operation "Toothed Belt Tension Roller ".
4.
Remove fastening bolt while counterholding with 5-8840-
2598-0 (Holding wrench).
5.
Remove toothed belt drive gear while counterholding with
5-8840-2598-0 (Holding wrench).
6.
Remove camshaft housing cover.
7.
Remove camshaft pulley while counterholding at hex
head of camshaft.
8.
Remove toothed belt rear cover (arrows) from oil pump
and camshaft housing.
ENGINE MECHANICAL (C22NE, 22LE, 20LE) 6A-33
Installation
1.
Install toothed belt rear cover.
2.
Install camshaft pulley while counterholding at camshaft
hex head.
3.
Install camshaft housing cover.
Tighten (Torque)
Toothed belt rear cover to oil pump and camshaft housing - 6
N
⋅
m/4 lbf ft.
Camshaft housing cover to housing - 6 N
⋅
m (0.6 kgf
⋅
m).
Camshaft pulley to camshaft - 45 N
⋅
m (4.6 kgf
⋅
m).
4.
Install toothed belt drive gear to crankshaft - 130 N
⋅
m
(13.3 kgf
⋅
m).
5.
Install toothed belt according to the operation "Toothed
Belt".
Toothed Belt Tension Roller
Removal
1.
Mark operating direction of toothed belt.
2.
Remove toothed belt according to the operation "Toothed
Belt”.
3.
Remove toothed belt tension roller (1) from oil pump.
Installation
1.
Install toothed belt tension roller and make sure that the
locking lever (1) engages in the guide lugs (arrowed) on
the oil pump housing.
2.
Install toothed belt according to the operation "Toothed
Belt" with paying attention to the operating direction of
toothed belt.
Tighten (Torque)
Toothed belt tension roller to oil pump - 25 N
⋅
m (2.5 kgf
⋅
m)
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