PROCEDURE
REMOVE OIL FILLER CAP SUB-ASSEMBLY
Remove the oil filler cap.
REMOVE OIL FILLER CAP GASKET
Remove the oil filler cap gasket.
REMOVE ENGINE COVER JOINT
Remove the 2 engine cover joints.
REMOVE SPARK PLUG
REMOVE CAMSHAFT POSITION SENSOR
Remove the 2 bolts and 2 camshaft position sensors.
REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY
Remove the 2 bolts, wire harness bracket and 2 camshaft timing oil control valves.
Remove the 2 O-rings from the camshaft timing oil control valves.
REMOVE CRANKSHAFT POSITION SENSOR
Remove the bolt and crankshaft position sensor.
REMOVE ENGINE OIL PRESSURE SWITCH ASSEMBLY
REMOVE KNOCK SENSOR
Remove the bolt and knock sensor.
REMOVE ENGINE COOLANT TEMPERATURE SENSOR
Using SST, remove the engine coolant temperature sensor and gasket.
REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY
Remove the 13 bolts, seal washer and cylinder head cover.
Remove the 3 gaskets from the camshaft bearing cap.
Note
As gaskets may stick to the cylinder head cover, be careful not to drop any of the gaskets into the engine when removing the cylinder head cover.
REMOVE CYLINDER HEAD COVER GASKET
Remove the cylinder head cover gasket.
REMOVE SPARK PLUG TUBE GASKET
Pry up the claws of the ventilation baffle plate.
Note
Do not deform the claws of the baffle plate more than necessary.
Using a screwdriver as shown in the illustration, deform each spark plug tube gasket inwards and remove the 4 spark plug tube gaskets from the cylinder head cover.
Note
As much as possible prevent the spark plug tube gaskets from being deformed.
The removed spark plug tube gaskets will be used when reinstalling the new spark plug tube gaskets.
Do not damage the cylinder head cover.
Make sure not to damage the spark plug tube gasket and cylinder head cover when inserting the screwdriver in the joint area.
Tech Tips
If the cylinder head cover is damaged, smooth the surface with 400-grit sandpaper.
REMOVE OIL FILTER CAP ASSEMBLY
SET NO. 1 CYLINDER TO TDC/COMPRESSION
REMOVE CRANKSHAFT PULLEY
REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY
REMOVE TIMING CHAIN COVER SUB-ASSEMBLY
REMOVE TIMING CHAIN COVER OIL SEAL
REMOVE ENGINE MOUNTING BRACKET STUD BOLT
Note
If a stud bolt is deformed or its threads are damaged, replace it.
REMOVE WATER INLET HOUSING STUD BOLT
Note
If a stud bolt is deformed or its threads are damaged, replace it.
REMOVE WATER INLET HOUSING
Remove the 3 bolts, water inlet housing and gasket.
REMOVE NO. 1 GENERATOR BRACKET
Remove the 4 bolts and generator bracket.
REMOVE CHAIN TENSIONER SLIPPER
REMOVE NO. 1 CHAIN VIBRATION DAMPER
REMOVE CHAIN SUB-ASSEMBLY
REMOVE CRANKSHAFT TIMING SPROCKET
REMOVE NO. 2 CHAIN SUB-ASSEMBLY
REMOVE NO. 1 CRANKSHAFT POSITION SENSOR PLATE
Remove the crankshaft position sensor plate.
REMOVE CRANKSHAFT TIMING GEAR KEY
| *1 | Protective Tape |
Using a screwdriver, remove the 2 crankshaft timing gear keys.
Tech Tips
Tape the screwdriver tip before use.
INSPECT CAMSHAFT TIMING GEAR ASSEMBLY
INSPECT CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY
REMOVE CAMSHAFT TIMING GEAR ASSEMBLY
REMOVE CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY
REMOVE VALVE ROCKER ARM LOST MOTION DAMPER SUB-ASSEMBLY
INSTALL VALVE ROCKER ARM LOST MOTION DAMPER SUB-ASSEMBLY
REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY
REMOVE CONTINUOUSLY VARIABLE VALVE LIFT CONTROLLER ASSEMBLY
Using a screwdriver, slide the control actuator clip from the control actuator connector.
Note
Slide only the upper part of the control actuator clip, as the straight pin may fall if the control actuator clip is completely removed.
Remove the bolt.
Using a screwdriver, lightly pry the control actuator connector to make a space between the continuously variable valve lift controller and camshaft housing.
Note
Do not forcefully pry the control actuator connector.
Do not damage the camshaft housing or camshaft bearing cap.
Using a magnet hand, remove the straight pin from the control actuator connector.
Tech Tips
The straight pin can be removed by utilizing the space between the continuously variable valve lift controller and camshaft housing to move the continuously variable valve lift controller so that there is no load on the straight pin.
| *1 | Continuously Variable Valve Lift Controller Assembly |
| *2 | Valve Lift Control Actuator Connector |
| *3 | O-Ring |
Remove the continuously variable valve lift controller from the camshaft housing.
Remove the O-ring from the continuously variable valve lift controller.
Note
The O-ring may remain on the camshaft housing side. Be sure to always remove it.
Remove the valve lift control actuator connector from the valve rocker shaft.
Tech Tips
There are two types of valve lift control actuator connectors. One type is removed by rotating the connector, and the other type can be removed without being rotated.
REMOVE CAMSHAFT HOUSING STUD BOLT
Note
If a stud bolt is deformed or its threads are damaged, replace it.
REMOVE CAMSHAFT HOUSING STRAIGHT PIN
Note
It is not necessary to remove a straight pin unless it is being replaced.
REMOVE NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY
Remove the 16 valve rocker arms.
Tech Tips
Arrange the removed parts in the correct order.
REMOVE VALVE LASH ADJUSTER ASSEMBLY
Remove the 16 valve lash adjusters from the cylinder head.
Tech Tips
Arrange the removed parts in the correct order.
REMOVE VALVE STEM CAP
Remove the 16 valve stem caps.
Tech Tips
Arrange the removed parts in the correct order.
REMOVE CYLINDER HEAD SUB-ASSEMBLY
REMOVE CYLINDER HEAD GASKET
REMOVE VENTILATION VALVE SUB-ASSEMBLY
REMOVE OIL PAN DRAIN PLUG
Remove the drain plug and gasket.
REMOVE NO. 2 OIL PAN SUB-ASSEMBLY
REMOVE OIL PUMP ASSEMBLY
REMOVE STIFFENING CRANKCASE ASSEMBLY
Uniformly loosen and remove the 11 bolts.
| *1 | Protective Tape |
Using a screwdriver, remove the stiffening crankcase by prying between the stiffening crankcase and cylinder block.
Tech Tips
Tape the screwdriver tip before use.
Note
Be careful not to damage the contact surfaces of the crankcase and cylinder block.
REMOVE NO. 1 TAPER SCREW PLUG
Remove the 2 No. 1 taper screw plugs.
REMOVE STIFFENING CRANKCASE STUD BOLT
Note
If a stud bolt is deformed or its threads are damaged, replace it.
REMOVE STIFFENING CRANKCASE RING PIN
Note
It is not necessary to remove a ring pin unless it is being replaced.
REMOVE ENGINE REAR OIL SEAL
Remove the engine rear oil seal from the cylinder block.