Page 347 of 2053
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)
Page 348 of 2053
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.
Page 351 of 2053
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
Page 353 of 2053
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.
Page 354 of 2053
M161 ENGINE MECHANICAL 1B2 -- 61
D AEW OO M Y_2000
CAMSHAFT TIMING POSITION
Preceding Work: Removal of cylinder head cover
Removal of cylinder head front cover
1 Holding Pin 111 589 03 15 00
2 Intake Camshaft Sprocket
3 Camshaft Bearing Cap
4 Timing Chain
5 Exhaust Camshaft Sprocket6 Bolt (M7 X 13, 3 pieces)
1ststep18--22NSm (13-- 16 lb-ft) ...........
2ndstep60°±5°rotation added
7StratePin
Page 364 of 2053
M161 ENGINE MECHANICAL 1B2 -- 71
D AEW OO M Y_2000
Sectional View
1 Screw Plug
2 Ball (Nonreturn Valve)
3 Compression Spring
4 Ball Guide
5 Seal (Aluminum)
6 Filler Pin
7 Compression Spring
8 Snap Ring
9 Thrust Pin
10 Ball (Nonreturn Valve)
11 Compression Spring
12 Thrust Piece13 Chain Tensioner Housing
14 Seal
15 Timing Gear Case Cover
16 Cylinder Head
17 Bolt / Washer
18 Tensioning Rail
19 Cylinder Head Gasket
20 Timing Chain
21 Tensioning Rail Base (Sliding Surface)
A Oil Supply Hole
B Chain Tensioner Oil Storage Hole
Page 365 of 2053
1B2 -- 72 M161 ENGINE MECHANICAL
D AEW OO M Y_2000
TIMING CHAIN
Preceding Work: Removal of cylinder head cover
Removal of spark plug
1Pin
2 New Timing Chain
3 Timing Chain (Used)
4 Wedge5Link
6 Center Plate
7 Outer Plate
Page 370 of 2053
M161 ENGINE MECHANICAL 1B2 -- 77
D AEW OO M Y_2000
TENSIONING RAIL
Preceding Work: Removal of cylinder head
1 Sliding Rail Pin
2 Sliding Rail3 Timing Gear Case Cover
Removal & Installation Procedure
1. Remove the timing gear case cover (3).
Notice:Be careful not to damage the gasket.
2. Remove the sliding rail (1) from the sliding rail pin (2).
Notice
DReplace the plastic guide (2) if it is damaged.
DFor installation, exactly align the plastic guide (2) with
the sliding rail (1).
3. Installation should follow the removal procedure in
the reverse order.