PROCEDURE
REMOVE RADIATOR ASSEMBLY
REMOVE FUEL PUMP ASSEMBLY (for High Pressure)
REMOVE VENTILATION HOSE
REMOVE NO. 4 VENTILATION HOSE
DISCONNECT NO. 3 VENTILATION HOSE
Slide the clip and disconnect the No. 3 ventilation hose from the cylinder head cover sub-assembly.
DISCONNECT NO. 2 VENTILATION HOSE
Slide the clip and disconnect the No. 2 ventilation hose from the cylinder head cover sub-assembly.
REMOVE IGNITION COIL ASSEMBLY
REMOVE CAMSHAFT POSITION SENSOR (for Intake Side)
REMOVE CAMSHAFT POSITION SENSOR (for Exhaust Side)
REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY
DISCONNECT ENGINE WIRE
Disengage the clamp and disconnect the No. 3 ventilation hose from the engine wire
Disconnect the air fuel ratio sensor connector.
Remove the bolt and disconnect the engine wire from the cylinder head cover sub-assembly.
REMOVE NO. 1 TURBO WATER PIPE
| *1 | No. 1 Turbo Water By-pass Hose |
| *2 | No. 2 Turbo Water By-pass Hose |
| *3 | No. 3 Turbo Water By-pass Hose |
| *4 | No. 4 Turbo Water By-pass Hose |
| *5 | No. 1 Turbo Water Pipe |
Slide the 4 clips and disconnect the No. 1 turbo water by-pass hose, No. 2 turbo water by-pass hose, No. 3 turbo water by-pass hose and No. 4 turbo water by-pass hose.
Remove the 3 bolts and No. 1 turbo water pipe.
REMOVE VACUUM PUMP ASSEMBLY
REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY
REMOVE CYLINDER HEAD COVER GASKET
SET NO. 1 CYLINDER TO TDC/COMPRESSION
| *a | Paint Mark |
| *b | Timing Mark (Groove) |
| *c | Timing Mark "0" |
Turn the crankshaft until the timing mark (groove) of the crankshaft pulley assembly and the timing mark "0" of the timing chain cover assembly are aligned.
Check that each timing mark of the camshaft timing gear assembly and camshaft timing exhaust gear assembly is positioned as shown in the illustration. If not, turn the crankshaft 1 revolution (360°) to align the timing mark (groove) as shown in the illustration.
Place paint marks on the chain sub-assembly in alignment with the timing mark (groove) on the camshaft timing gear assembly and camshaft timing exhaust gear assembly.
REMOVE TIMING CHAIN COVER PLATE
REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY
| *a | Approximately 15° |
Turn the crankshaft approximately 15° clockwise.
| *a | Approximately 15° |
Turn the crankshaft approximately 15° counterclockwise.
| *a | Stopper Plate |
| *b | Pin |
Align the holes of the stopper plate and No. 1 chain tensioner assembly, and insert a pin into the stopper plate hole to lock the No. 1 chain tensioner assembly.
| *a | Approximately 15° |
Turn the crankshaft approximately 15° clockwise.
Remove the bolt, nut, No. 1 chain tensioner assembly and gasket from the cylinder block sub-assembly.
Note
Be careful not to drop the gasket into the timing chain cover assembly.
| *a | Approximately 15° |
Turn the crankshaft approximately 15° counterclockwise.
REMOVE TIMING CHAIN GUIDE
REMOVE CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY
REMOVE CAMSHAFT TIMING GEAR BOLT
| *a | Hold |
|
Turn |
Using a wrench to hold the hexagonal portion of the camshaft, remove the camshaft timing gear bolt from the camshaft.
Note
Be careful not to damage the camshaft housing sub-assembly or spark plug tube with the wrench.
REMOVE CAMSHAFT BEARING CAP
Remove the 11 bolts in several steps in the order shown in the illustration.
| *1 | No. 1 Camshaft Bearing Cap |
| *2 | No. 2 Camshaft Bearing Cap |
| *3 | No. 3 Camshaft Bearing Cap |
| *4 | No. 4 Camshaft Bearing Cap |
Remove the 10 bolts in the several steps in the order shown in the illustration.
Note
Make sure to loosen the bearing cap bolts evenly while holding the camshaft horizontally.
Remove the No. 1 camshaft bearing cap, No. 2 camshaft bearing cap, No. 3 camshaft bearing cap and No. 4 camshaft bearing cap from the camshaft housing sub-assembly.
Tech Tips
Arrange the removed parts in the correct order.
REMOVE CAMSHAFT
Raise the camshaft as shown in the illustration to remove it from the camshaft timing gear assembly.
REMOVE CAMSHAFT TIMING GEAR ASSEMBLY
Remove the camshaft timing gear assembly.
Note
Do not disassemble the camshaft timing gear assembly.
REMOVE NO. 2 CAMSHAFT
Remove the No. 2 camshaft from the camshaft housing sub-assembly.
Suspend the chain sub-assembly with a string or equivalent as shown in the illustration.
Note
Be careful not to drop the chain sub-assembly into the timing chain cover assembly.
REMOVE CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY
Secure the No. 2 camshaft between aluminum plates in a vise.
| *a | Hexagonal Portion |
Using SST, grip the hexagonal portion, and then secure SST and No. 2 camshaft in a vise as shown in the illustration.
Note
Do not damage the No. 2 camshaft.
Never grip areas other than the hexagonal portion, as this may cause damage.
Remove the bolt and camshaft timing exhaust gear assembly from the No. 2 camshaft.
Note
Be careful not to damage the No. 2 camshaft and camshaft timing exhaust gear assembly.
Do not disassemble the camshaft timing exhaust gear assembly.
REMOVE OIL CONTROL VALVE FILTER
REMOVE NO. 1 CAMSHAFT BEARING
REMOVE NO. 2 CAMSHAFT BEARING
INSPECT CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY