PROCEDURE
REMOVE ENGINE COVER JOINT
Remove the 3 engine cover joints.
REMOVE SPARK PLUG
REMOVE KNOCK CONTROL SENSOR
REMOVE ENGINE COOLANT TEMPERATURE SENSOR
REMOVE ENGINE OIL PRESSURE SWITCH ASSEMBLY
REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY
REMOVE CAMSHAFT POSITION SENSOR
REMOVE OIL FILLER CAP SUB-ASSEMBLY
Remove the oil filler cap sub-assembly from the cylinder head cover sub-assembly.
REMOVE OIL FILLER CAP GASKET
Remove the oil filler cap gasket from the oil filler cap sub-assembly.
REMOVE CRANKSHAFT POSITION SENSOR
REMOVE VENTILATION VALVE SUB-ASSEMBLY
REMOVE VENTILATION CASE SUB-ASSEMBLY
Remove the 8 bolts and 2 nuts.
Remove the ventilation case sub-assembly by prying between the ventilation case sub-assembly and cylinder block sub-assembly with a screwdriver.
Note
Be careful not to damage the contact surfaces of the cylinder block sub-assembly and ventilation case sub-assembly.
Tech Tips
Tape the screwdriver tip before use.
REMOVE SEPARATOR CASE
Remove the 2 bolts, separator case and gasket.
REMOVE CRANKSHAFT PULLEY
| *a | Hold |
| *b | Turn |
Using SST, hold the crankshaft pulley and loosen the pulley bolt. Further loosen the pulley bolt until 2 or 3 threads are screwed into the crankshaft.
Tech Tips
SST (Crankshaft pulley holding tool) Fixing bolt part No. : 91551-80650(2 pcs)
| *1 | Pulley Bolt |
| *a | Hold |
| *b | Turn |
Using SST and the pulley bolt, remove the crankshaft pulley.
Tech Tips
Apply a lubricant to the threads and end of SST.
REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY
Remove the 16 bolts, 3 seal washers, cylinder head cover sub-assembly and cylinder head cover gasket.
Remove the 2 camshaft bearing cap oil hole gaskets.
REMOVE STUD BOLT
Note
If a stud bolt is deformed or its threads are damaged, replace it.
Using an E6 "TORX" socket wrench, remove the 3 stud bolts from the cylinder head cover sub-assembly.
REMOVE SPARK PLUG TUBE GASKET
| *1 | Tape |
Using a screwdriver, pry out the 4 spark plug tube gaskets.
Note
Be careful not to damage the cylinder head cover sub-assembly.
Tech Tips
Tape the screwdriver tip before use.
REMOVE ENGINE MOUNTING BRACKET RH
REMOVE TIMING CHAIN COVER SUB-ASSEMBLY
REMOVE OIL PUMP RELIEF VALVE PLUG
Using a 14 mm hexagon wrench, remove the oil pump relief valve plug and gasket.
REMOVE TIMING CHAIN COVER PLATE
Remove the 4 bolts, timing chain cover plate and gasket.
REMOVE TIMING CHAIN COVER OIL SEAL
SET NO. 1 CYLINDER TO TDC/COMPRESSION
REMOVE TIMING CHAIN GUIDE
REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY
REMOVE CHAIN TENSIONER SLIPPER
REMOVE CHAIN SUB-ASSEMBLY
Remove the chain sub-assembly.
REMOVE NO. 1 CHAIN VIBRATION DAMPER
REMOVE CRANKSHAFT TIMING SPROCKET
Remove the crankshaft timing sprocket from the crankshaft.
REMOVE CAMSHAFT TIMING GEAR ASSEMBLY
REMOVE CAMSHAFT TIMING SPROCKET
REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY
REMOVE CAMSHAFT BEARING CAP
REMOVE OIL CONTROL VALVE FILTER
Remove the oil control valve filter from the No. 1 camshaft bearing cap.
REMOVE CAMSHAFT
REMOVE NO. 1 CAMSHAFT BEARING
Remove the No. 1 camshaft bearing from the No. 1 camshaft bearing cap.
REMOVE NO. 2 CAMSHAFT BEARING
Remove the No. 2 camshaft bearing from the camshaft housing sub-assembly.
REMOVE STUD BOLT
Note
If a stud bolt is deformed or its threads are damaged, replace it.
Using an E8 "TORX" socket wrench, remove the stud bolt from the camshaft housing sub-assembly.
REMOVE CAMSHAFT BEARING CAP SETTING RING PIN
Note
It is not necessary to remove the ring pin unless it is being replaced.
Remove the 10 camshaft bearing cap setting ring pins from the camshaft housing sub-assembly.
REMOVE STRAIGHT PIN
Note
It is not necessary to remove the straight pin unless it is being replaced.
Remove the 2 straight pins from the camshaft housing sub-assembly.
REMOVE NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY
REMOVE VALVE LASH ADJUSTER ASSEMBLY
REMOVE VALVE STEM CAP
REMOVE CYLINDER HEAD SUB-ASSEMBLY
REMOVE CYLINDER HEAD GASKET
REMOVE CYLINDER BLOCK WATER JACKET SPACER
Remove the cylinder block water jacket spacer from the cylinder block sub-assembly.
Note
Be sure to remove the cylinder block water jacket spacer. If it is not removed, it may fall and become damaged when the cylinder block sub-assembly is inverted.
REMOVE OIL FILTER CAP ASSEMBLY
REMOVE OIL PAN DRAIN PLUG
Remove the oil pan drain plug and gasket from the oil pan sub-assembly.
REMOVE OIL PAN SUB-ASSEMBLY
| *1 | Nut |
Remove the 11 bolts and 2 nuts.
Insert the blade of an oil pan seal cutter between the oil pan sub-assembly and stiffening crankcase assembly, cut off the applied sealer and remove the oil pan sub-assembly.
Note
Be careful not to damage the stiffening crankcase assembly contact surface of the oil pan sub-assembly.
Be careful not to damage the stiffening crankcase flange.
REMOVE OIL STRAINER SUB-ASSEMBLY
Remove the 3 bolts, oil strainer sub-assembly and gasket.
REMOVE NO. 1 OIL PAN BAFFLE PLATE
Remove the 5 bolts and No. 1 oil pan baffle plate.
INSPECT CRANKSHAFT BACKLASH
Using a dial indicator, measure the backlash of the crankshaft and balance shaft as shown in the illustration.
| Standard backlash |
|---|
| 0.05 to 0.20 mm (0.00197 to 0.00787 in.) |
| Maximum backlash |
|---|
| 0.20 mm (0.00787 in.) |
If the backlash is more than the maximum, replace the engine balancer assembly.
REMOVE ENGINE BALANCER ASSEMBLY
Remove the 7 bolts and engine balancer assembly.
Note
Do not disassemble the engine balancer assembly.
INSPECT NO. 1 BALANCE SHAFT THRUST CLEARANCE
INSPECT NO. 2 BALANCE SHAFT THRUST CLEARANCE
REMOVE STIFFENING CRANKCASE ASSEMBLY
Remove the 7 bolts.
| *a | LH Side |
| *b | RH Side |
Using a screwdriver, remove the stiffening crankcase assembly by prying between the stiffening crankcase assembly and cylinder block sub-assembly at the places shown in the illustration.
Note
Be careful not to damage the contact surfaces of the cylinder block sub-assembly and stiffening crankcase assembly.
Tech Tips
Tape the screwdriver tip before use.
REMOVE STUD BOLT
Note
If a stud bolt is deformed or its threads are damaged, replace it.
Using an E5 and E8 "TORX" socket wrench, remove the 3 stud bolts from the stiffening crankcase assembly.
REMOVE RING PIN
Note
It is not necessary to remove the ring pin unless it is being replaced.
Remove the 2 ring pins from the stiffening crankcase assembly.
REMOVE REAR ENGINE OIL SEAL
Remove the rear engine oil seal from the cylinder block sub-assembly.