Removal [12/2021 - ]: Procedure
- REMOVE FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY
Refer to REMOVAL [12/2021 - ]
- REMOVE FAN SHROUD
Refer to REMOVAL [12/2021 - ]
- REMOVE FRONT WHEEL
Refer to REMOVAL [12/2021 - ]
- REMOVE FRONT FENDER APRON TRIM PACKING A
See step 15
- REMOVE FRONT FENDER APRON TRIM PACKING B
See step 16
- REMOVE FRONT FENDER APRON TRIM PACKING C
See step 17
- REMOVE FRONT FENDER APRON TRIM PACKING D
See step 18
- REMOVE REAR ENGINE SIDE UNDER COVER ASSEMBLY LH
See step 42
- REMOVE UPPER ENGINE SIDE UNDER COVER PLATE LH
See step 41
- REMOVE ENGINE SIDE UNDER COVER RH
See step 43
- REMOVE BATTERY
Refer to REMOVAL [12/2021 - ]
- REMOVE BATTERY CARRIER ASSEMBLY
See step 45
- DISCONNECT NO. 2 RADIATOR HOSE
Refer to PROCEDURE - Step 15
- DISCONNECT NO. 4 WATER BY-PASS HOSE
See step 38
- DISCONNECT NO. 4 WATER BY-PASS HOSE ASSEMBLY
See step 40 - DISCONNECT INLET HEATER WATER HOSE
See step 49 - DISCONNECT OUTLET HEATER WATER HOSE
See step 50
- DISCONNECT NO. 1 FUEL VAPOR FEED HOSE
See step 48
- DISCONNECT FUEL TUBE SUB-ASSEMBLY
See step 51 - REMOVE NO. 2 PCV HOSE
- REMOVE NO. 1 AIR INLET DUCT
- REMOVE FUEL TUBE SUB-ASSEMBLY
- Disconnect the fuel tube sub-assembly.
Refer to PRECAUTION [12/2021 - ]
- Detach the 2 clamps and remove the fuel tube sub-assembly.
- Disconnect the fuel tube sub-assembly.
- REMOVE NO. 2 AIR INLET DUCT
- REMOVE NO. 5 WATER BY-PASS PIPE
Refer to PROCEDURE - Step 9
- REMOVE NO. 6 WATER BY-PASS PIPE
- REMOVE NO. 2 V-BANK COVER BRACKET
- REMOVE FUEL INLET PIPE SUB-ASSEMBLY
- REMOVE INTERCOOLER COOLING WATER PIPE ASSEMBLY AND TURBO WATER HOSE
- REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE
Refer to PROCEDURE - Step 2
- REMOVE PURGE VSV
Refer to PROCEDURE - Step 1
- REMOVE FUEL VAPOR FEED PIPE
- DISCONNECT AIR FUEL RATIO SENSOR
- REMOVE NO. 2 WIRING HARNESS CLAMP BRACKET
- DISCONNECT NO. 1 TURBO WATER PIPE SUB-ASSEMBLY
- REMOVE NO. 3 WATER BY-PASS PIPE
- REMOVE WIRE HARNESS CLAMP BRACKET
- REMOVE IGNITION COIL ASSEMBLY
Refer to PROCEDURE - Step 7 - REMOVE NO. 4 FUEL VAPOR FEED HOSE
- REMOVE VACUUM HOSE
- REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY RH
- Remove the 2 No. 1 intercooler air guides from the cylinder head cover sub-assembly RH.
- Remove the 2 bolts and 2 camshaft position sensors.NOTE:
If the camshaft position sensor has been struck or dropped, replace it.
- Remove the 13 bolts and cylinder head cover sub-assembly RH.
- Remove the camshaft bearing cap oil hole gasket RH.
- Remove the 7 gaskets and No. 1 cylinder head cover gasket RH.
- REMOVE SPARK PLUG TUBE GASKET RH
Refer to PROCEDURE - Step 37 [12/2021 - 10/2023] , or refer to PROCEDURE - Step 37 [10/2023 - ]
- REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY LH
- Remove the 2 bolts and 2 camshaft position sensors.NOTE:
If the camshaft position sensor has been struck or dropped, replace it.
- Remove the 13 bolts and cylinder head cover sub-assembly LH.
- Remove the camshaft bearing cap oil hole gasket LH.
- Remove the 5 gaskets and No. 1 cylinder head cover gasket LH.
- Remove the 2 bolts and 2 camshaft position sensors.
- REMOVE SPARK PLUG TUBE GASKET LH
Refer to PROCEDURE - Step 40 [12/2021 - 10/2023] , or refer to PROCEDURE - Step 40 [10/2023 - ]
- REMOVE WATER INLET PIPE WITH WATER INLET HOSE
Refer to PROCEDURE - Step 20
- REMOVE WATER OUTLET PIPE WITH WATER BY-PASS JOINT
- REMOVE CAM TIMING OIL CONTROL SOLENOID ASSEMBLY RH (for Intake Side of Bank 1)
Refer to PROCEDURE - Step 7 - REMOVE CAM TIMING OIL CONTROL SOLENOID O-RING RH (for Intake Side of Bank 1)
Refer to PROCEDURE - Step 8 - REMOVE CAM TIMING OIL CONTROL SOLENOID ASSEMBLY RH (for Exhaust Side of Bank 1)
Refer to PROCEDURE - Step 9 - REMOVE CAM TIMING OIL CONTROL SOLENOID O-RING RH (for Exhaust Side of Bank 1)
Refer to PROCEDURE - Step 10 - REMOVE CAM TIMING OIL CONTROL SOLENOID ASSEMBLY LH (for Intake Side of Bank 2)
Refer to PROCEDURE - Step 5 - REMOVE CAM TIMING OIL CONTROL SOLENOID O-RING LH (for Intake Side of Bank 2)
Refer to PROCEDURE - Step 6 - REMOVE CAM TIMING OIL CONTROL SOLENOID ASSEMBLY LH (for Exhaust Side of Bank 2)
Refer to PROCEDURE - Step 7 - REMOVE CAM TIMING OIL CONTROL SOLENOID O-RING LH (for Exhaust Side of Bank 2)
Refer to PROCEDURE - Step 8 - REMOVE TIMING CHAIN COVER PLATE
- SET NO. 1 CYLINDER TO TDC/COMPRESSION (for Bank 1)
*A For Bank 2 *B For Bank 1 *a "0" Timing Mark *b Timing Mark (Cutout) *c Paint Mark *d Timing Mark - Turn the crankshaft clockwise to align the timing mark (cutout) on the crankshaft pulley assembly with the "0" timing mark on the timing chain cover assembly.
- Place paint marks on the timing marks and sprockets of each camshaft timing gear and on the links of the chain.
HINT:
Attach paint marks to the 2 chain links at the position where the timing mark of the camshaft timing gear is located and at the opposite position of the timing chain or belt cover sub-assembly.
- REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY (for Bank 1)
*a Lever Hole *b Tensioner Hole *c Pin - - - Turn the crankshaft approximately 30° counterclockwise so that there is some slack in the chain.
HINT:
This prevents the valves and pistons from interfering with each other.
- Align the hole in the lever of the No. 1 chain tensioner assembly with the hole in the tensioner body as shown in the illustration, and then insert a pin with a diameter of 1.27 mm (0.0500 in.) into the hole.
- Turn the crankshaft approximately 30° counterclockwise so that there is some slack in the chain.
*a "0" Timing Mark *b Timing Mark (Cutout) - Turn the crankshaft clockwise to align the timing mark (cutout) on the crankshaft pulley assembly with the "0" timing mark on the timing chain cover assembly.
- Remove the 2 bolts and No. 1 chain tensioner assembly.NOTE:
Do not drop the No. 1 chain tensioner assembly or bolts into the timing chain cover assembly.
- DISCONNECT NO. 1 CHAIN SUB-ASSEMBLY (for Bank 1)
*a 95° to 100° - - - Turn the crankshaft clockwise until it is in the position shown in the illustration so that there is some slack in the No. 1 chain sub-assembly between the banks.WARNING:
As the camshafts turn suddenly, do not touch the camshafts or camshaft timing gears.
HINT:
When turning the crankshaft, engine oil may spray out of the oil holes.
- Turn the crankshaft clockwise until it is in the position shown in the illustration so that the chain can be removed easily.NOTE:
When turning the crankshaft, engine oil may spray out of the oil holes.
- Remove the No. 1 chain sub-assembly from the sprocket of the camshaft timing gear and set it on the gear.WARNING:
As the camshaft may turn suddenly and pinch your fingers when the No. 1 chain sub-assembly is removed, pinch the No. 1 chain sub-assembly and lift it upward to remove it from the sprocket.
- Turn the crankshaft clockwise until it is in the position shown in the illustration so that there is some slack in the No. 1 chain sub-assembly between the banks.
- REMOVE CAMSHAFT BEARING CAP (for Bank 1)
-
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
*1 No. 2 Chain Tensioner Assembly - - *a Temporarily Bolt and Washer *b Part Removal *c Temporarily Bolt and Washer Installation *d No. 2 Chain Tensioner Assembly Chain Plunger - Remove the bolts and bearing caps in the order shown in the illustration. Immediately after removing a bearing cap, install temporarily bolts and washers in the order shown in the illustration.
Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf)
NOTE:- Do not install the bearing caps when installing temporarily bolts and washers.
- Be sure to follow the numerical order when performing this procedure.
- Do not allow temporarily bolts or washers to contact the camshaft.
- Do not drop temporarily bolts or washers into the cylinder head sub-assembly.
HINT:
- Arrange the removed parts so that they can be reinstalled in their original locations.
- Bolts for temporarily installing camshaft housing (8 bolts)
Bolt diameter 8 mm (0.315 in.) Pitch 1.25 Bolt length 40 mm (1.57 in.) - Washers for temporarily installing camshaft housing (16 washers)
Washer thickness 2 mm (0.0787 in.) Washer hole diameter 12.5 mm (0.492 in.)
- While one person lifts up the intake camshaft sub-assembly RH and exhaust camshaft sub-assembly RH, have another person remove the No. 1 camshaft bearing cap.NOTE:
Remove the No. 1 camshaft bearing cap while holding down the chain plunger of the No. 2 chain tensioner assembly.
- Remove the bolts and bearing caps in the order shown in the illustration. Immediately after removing a bearing cap, install temporarily bolts and washers in the order shown in the illustration.
-
- REMOVE EXHAUST CAMSHAFT SUB-ASSEMBLY RH
- REMOVE CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY RH (for Exhaust Side of Bank 1)
*a Hexagonal Portion - - - Using SST, grip the hexagonal portion, and then secure SST and exhaust camshaft sub-assembly RH in a vise as shown in the illustration.
- SST: 09212-31010
NOTE:- Do not damage the exhaust camshaft sub-assembly RH.
- Never grip areas other than the hexagonal portion, as this may cause damage.
- Using a 5 mm hexagon socket wrench, remove the 3 bolts.NOTE:
- Be careful not to damage the exhaust camshaft sub-assembly RH and camshaft timing exhaust gear assembly RH.
- Do not disassemble the camshaft timing exhaust gear assembly RH.
- Remove the camshaft timing oil control valve assembly (exhaust camshaft timing gear bolt assembly) and camshaft timing exhaust gear assembly RH.
- Using SST, grip the hexagonal portion, and then secure SST and exhaust camshaft sub-assembly RH in a vise as shown in the illustration.
- REMOVE INTAKE CAMSHAFT SUB-ASSEMBLY RH
- REMOVE CAMSHAFT TIMING INTAKE GEAR ASSEMBLY RH (for Intake Side of Bank 1)
*a Hexagonal Portion - - - Using SST, grip the hexagonal portion, and then secure SST and intake camshaft sub-assembly RH in a vise as shown in the illustration.
- SST: 09212-31010
NOTE:- Do not damage the intake camshaft sub-assembly RH.
- Never grip areas other than the hexagonal portion, as this may cause damage.
- Using a 5 mm hexagon socket wrench, remove the 3 bolts.NOTE:
- Be careful not to damage the intake camshaft sub-assembly RH and camshaft timing intake gear assembly RH.
- Do not disassemble the camshaft timing intake gear assembly RH.
- Remove the camshaft timing oil control valve assembly (intake camshaft timing gear bolt assembly) and camshaft timing intake gear assembly RH.
- Using SST, grip the hexagonal portion, and then secure SST and intake camshaft sub-assembly RH in a vise as shown in the illustration.
- REMOVE TIMING CHAIN COVER PLATE
See step 54
- SET NO. 1 CYLINDER TO TDC/COMPRESSION (for Bank 2)
See step 55 - REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY (for Bank 2)
See step 56 - DISCONNECT NO. 1 CHAIN SUB-ASSEMBLY (for Bank 2)
*a 95° to 100° - - - Turn the crankshaft clockwise until it is in the position shown in the illustration so that there is some slack in the No. 1 chain sub-assembly between the banks.WARNING:
As the camshafts turn suddenly, do not touch the camshafts or camshaft timing gears.
HINT:
When turning the crankshaft, engine oil may spray out of the oil holes.
- Turn the crankshaft clockwise until it is in the position shown in the illustration so that the chain can be removed easily.NOTE:
When turning the crankshaft, engine oil may spray out of the oil holes.
- Remove the No. 1 chain sub-assembly from the sprocket of the camshaft timing gear and set it on the gear.WARNING:
As the camshaft may turn suddenly and pinch your fingers when the No. 1 chain sub-assembly is removed, pinch the No. 1 chain sub-assembly and lift it upward to remove it from the sprocket.
- Turn the crankshaft clockwise until it is in the position shown in the illustration so that there is some slack in the No. 1 chain sub-assembly between the banks.
- REMOVE CAMSHAFT BEARING CAP (for Bank 2)
-
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
*a Temporarily Bolt and Washer *b Part Removal *c Temporarily Bolt and Washer Installation - - - Remove the bolts and bearing caps in the order shown in the illustration. Immediately after removing a bearing cap, install temporarily bolts and washers in the order shown in the illustration.
Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf)
NOTE:- Do not install the bearing caps when installing temporarily bolts and washers.
- Be sure to follow the numerical order when performing this procedure.
- Do not allow temporarily bolts or washers to contact the camshaft.
- Do not drop temporarily bolts or washers into the cylinder head sub-assembly.
HINT:
- Arrange the removed parts so that they can be reinstalled in their original locations.
- Bolts for temporarily installing camshaft housing (8 bolts)
Bolt diameter 8 mm (0.315 in.) Pitch 1.25 Bolt length 40 mm (1.57 in.) - Washers for temporarily installing camshaft housing (16 washers)
Washer thickness 2 mm (0.0787 in.) Washer hole diameter 12.5 mm (0.492 in.)
- Remove the bolts and bearing caps in the order shown in the illustration. Immediately after removing a bearing cap, install temporarily bolts and washers in the order shown in the illustration.
-
- REMOVE EXHAUST CAMSHAFT SUB-ASSEMBLY LH
- REMOVE CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY LH (for Exhaust Side of Bank 2)
*a Hexagonal Portion - - - Using SST, grip the hexagonal portion, and then secure SST and exhaust camshaft sub-assembly LH in a vise as shown in the illustration.
- SST: 09212-31010
NOTE:- Do not damage the exhaust camshaft sub-assembly LH.
- Never grip areas other than the hexagonal portion, as this may cause damage.
- Using a 5 mm hexagon socket wrench, remove the 3 bolts.NOTE:
- Be careful not to damage the exhaust camshaft sub-assembly LH and camshaft timing exhaust gear assembly LH.
- Do not disassemble the camshaft timing exhaust gear assembly LH.
- Remove the camshaft timing oil control valve assembly (exhaust camshaft timing gear bolt assembly) and camshaft timing exhaust gear assembly LH.
- Using SST, grip the hexagonal portion, and then secure SST and exhaust camshaft sub-assembly LH in a vise as shown in the illustration.
- REMOVE INTAKE CAMSHAFT SUB-ASSEMBLY LH
- REMOVE CAMSHAFT TIMING INTAKE GEAR ASSEMBLY LH (for Intake Side of Bank 2)
*a Hexagonal Portion - - - Using SST, grip the hexagonal portion, and then secure SST and intake camshaft sub-assembly LH in a vise as shown in the illustration.
- SST: 09212-31010
NOTE:- Do not damage the intake camshaft sub-assembly LH.
- Never grip areas other than the hexagonal portion, as this may cause damage.
- Using a 5 mm hexagon socket wrench, remove the 3 bolts.NOTE:
- Be careful not to damage the intake camshaft sub-assembly LH and camshaft timing intake gear assembly LH.
- Do not disassemble the camshaft timing intake gear assembly LH.
- Remove the camshaft timing oil control valve assembly (intake camshaft timing gear bolt assembly) and camshaft timing intake gear assembly LH.
- Using SST, grip the hexagonal portion, and then secure SST and intake camshaft sub-assembly LH in a vise as shown in the illustration.