Page 346 of 2053
M161 ENGINE MECHANICAL 1B2 -- 53
D AEW OO M Y_2000
Sectional View
1OilPan
2 Cover
3 Radial Seal
4Bolt
5 Crankshaft
6 Dowel Pin
7 Washer (Thickness : 3.5 mm)8Washer
9Bolt
10 Front Drive Plate
11 Rear Drive Plate
12 Rivet
13 Segment
14 Ring Gear
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1B2 -- 54 M161 ENGINE MECHANICAL
D AEW OO M Y_2000
CAMSHAFT ADJUSTER
1 Bolt (M6 X 16, 3 pieces)
9--11 NSm (80-- 97 lb-in) ....................
2 Cylinder Head Front Cover
3Bolt 35NSm (26 lb-ft) ......................
4 Armature
5RollPin
6 Nut (M20 X 1.5) 60-- 70 NSm (44-- 52 lb-ft) .....
7 Seal Cover
8 Camshaft Sprocket
9 Adjust Piston
10 Conical Spring11 Flange Bolt (M7 X 13, 3 pieces)
1stStep18--22NSm (13--16 lb-ft) ...........
2nd Step 60°±5°Rotation Added
12 Flange Shaft
13 Compression Spring
14 Control Piston
15 Circlip
16 Oil Gallery
17 Straight Pin
18 Intake Camshaft
Y49 Magnetic Actuator (2-- pin connector)
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M161 ENGINE MECHANICAL 1B2 -- 55
D AEW OO M Y_2000
Removal & Installation Procedure
1. Turn the crankshaft and position the no.1 cylinder pis-
ton at ATDC 20°.
Notice:Turn the crankshaft in the direction of engine
rotation.
2. Remove the cylinder head front cover.
3. Put the alignment marks (arrows) on the camshaft
sprocket and the timing chain.
4. Insert the holding pin 111 589 03 15 00 into the no.1
and no.6 bearing cap hole on camshaft to secure in-
take and exhaust camshaft.
5. Remove the chain tensioner.
6. Unscrew the exhaust sprocket bolt and remove the
exhaust camshaft sprocket.
Installation Notice
Ti
ghteningTo rque
1st step: 18 -- 22 NSm
(13 -- 16 lb-ft)
TighteningTorque
2nd step: 60°±5°
Notice:The flange bolt is designed to be used only
once, so always replace with new one.
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1B2 -- 56 M161 ENGINE MECHANICAL
D AEW OO M Y_2000
7. Unscrew the bolt (3) from the armature (4) and re-
move the roll pin, and remove the armature.
Installation Notice
Tightening Torque
35 NSm (26 lb-ft)
8. Unscrew the nut (6) and remove the seal cover (7).
Installation Notice
Tightening Torque
60 -- 70 NSm (44 -- 52 lb-ft)
Notice:Put the locking slot of nut toward armarture.
9. Take off the timing chain from intake camshaft
sprocket.
10. Remove the adjuster piston (9) and conical spring
(10) from intake camshaft sprocket.
11. Unscrew the bolt (11) and remove the flange shaft.
Installation Notice
Ti
ghteningTo rque
1st step: 18 -- 22 NSm
(13 -- 16 lb-ft)
TighteningTorque
2nd step: 60°±5°
Notice:The flange bolt is designed to be used only
once, so always replace with new one.
12. Installation should follow the removal procedure in
the reverse order.
13. Check and adjust the camshaft timing.
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M161 ENGINE MECHANICAL 1B2 -- 57
D AEW OO M Y_2000
CAMSHAFT SPROCKET BOLT
Intake Flange Shaft Bolt
TighteningTo rque
1st step: 18 -- 22 NSm
(13 -- 16 lb-ft)
TighteningTorque
2nd step: 60°±5°
Notice:The sprocket bolts are designed to be used only
once, so always replace with new one.
C. M7 x 13 Collar Bolt Torx -- T30
e. 6.8 mm
16. Flange Shaft
18. Control Piston
22. Intake Camshaft
Exhaust Camshaft Sprocket Bolt
TighteningTo rque
1st step: 18 -- 22 NSm
(13 -- 16 lb-ft)
TighteningTorque
2nd step: 60°±5°
Notice:The sprocket bolts are designed to be used only
once, so always replace with new one.
E. M7 x 13 Collar Bolt Torx -- T30
e. 6.8 mm
13a. Camshaft Sprocket
22a. Exhaust Camshaft
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1B2 -- 58 M161 ENGINE MECHANICAL
D AEW OO M Y_2000
CAMSHAFT
Preceding Work: Removal of cylinder head cover
Removal of camshaft adjust actuator and cylinder head front cover
1 Bolt (M7 X 13, 3 pieces)
1stStep18--22NSm (13-- 16 lb-ft) ..........
2nd Step 60°±5°Rotation Added
2 Exhaust Camshaft Sprocket
3 Timing Chain
4a Intake Camshaft Spocket (E20)4b Camshaft Adjuster and Camshaft
Sprocket (E23)
5 Bearing Cap Bolt (20 pieces)
22.5-- 27.5 NSm (16.6--20.3 lb-ft) .............
6 Camshaft Bearing Cap
7 Wrench
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M161 ENGINE MECHANICAL 1B2 -- 59
D AEW OO M Y_2000
Removal & Installation Procedure
1. Turn the crankshaft and position the no.1 cylinder pis-
ton at ATDC20°.
2. Put the alignment marks (arrows) on the camshaft
sprocket and the timing chain.
3. Remove the chain tensioner.
Installation Notice
Ti
ghteningScrew Plug40 NSm
(30 lb-ft)
Tightening
To r q u eTensioner
Assembly72 -- 88 NSm
(53 -- 65 lb-ft)
4. Remove the exhaust camshaft sprocket.
Notice
Ti
ghteningTo rque
1st step: 18 -- 22 NSm
(13 -- 16 lb-ft)
TighteningTorque
2nd step: 60°±5°
Notice:The sprocket bolt is designed to be used only
once, so always replace with new one.
5. Take off the timing chain from intake camshaft
sprocket, and secure it not to fall down into the timing
gear case.
6. Using the wrench (7), turn the camshaft until there is
no resistence in camshaft bearing area.
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1B2 -- 60 M161 ENGINE MECHANICAL
D AEW OO M Y_2000
7. Remove the bearing cap, and remove the intake
and the exhaust camshaft.
Installation Notice
Tightening Torque
22.5 -- 27.5 NSm
(16.6 -- 20.3 lb-ft)
Notice:Check the numbers on the bearing cap not to be
mixed up.
8. Apply the engine oil on the valve tappet and cam-
shaft bearing.
9. Installation should follow the removal procedure in
the reverse order.
Notice:
DBase circle of cam should cantact with the valve tap-
pet.
DInstall the camshaft bearing caps according to the
numbers on the cylinder head cast and bearing cap.
10. Check the camshaft timing position.