Reassembly [08/2015 - ]: Procedure
- INSTALL RING PIN NOTE:
It is not necessary to remove the ring pin unless it is being replaced.
- for Camshaft housing sub-assembly side:
- for Stiffening crankcase assembly side:
- INSTALL STUD BOLT NOTE:
If a stud bolt is deformed or its threads are damaged, replace it.
- for Camshaft housing sub-assembly side:
- Apply adhesive to camshaft housing sub-assembly side threads of the stud bolt.
Adhesive
Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent.
*a 20 mm (0.787 in.) *b 13 mm (0.512 in.) *c 35 mm (1.38 in.) NOTE:Install the stud bolt within 3 minutes of applying adhesive.
- Using an E8 "TORX" socket wrench, install the stud bolt to the camshaft housing sub-assembly.
Torque: 9.0 N.m (92 kgf/cm, 80 in.lbf)
- Apply adhesive to camshaft housing sub-assembly side threads of the stud bolt.
- for Stiffening crankcase assembly side:
- for Timing chain cover assembly side:
- for Camshaft housing sub-assembly side:
- SET ENGINE BALANCER ASSEMBLY
- Make sure that the alignment marks on the No. 1 balance shaft driven gear and No. 2 balance shaft driven gear are aligned.
*a No. 1 Balance Shaft Driven Gear *b No. 2 Balance Shaft Driven Gear *c Alignment Mark - If the alignment marks are not aligned, hold the No. 2 balance shaft with a wrench at its flat portions, and rotate the No. 1 balance shaft as shown in the illustration to align the marks.
*a No. 1 Balance Shaft Driven Gear *b No. 2 Balance Shaft Driven Gear
- Make sure that the alignment marks on the No. 1 balance shaft driven gear and No. 2 balance shaft driven gear are aligned.
- INSTALL STIFFENING CRANKCASE ASSEMBLY
- Clean the bolts and their installation holes.
- Clean and degrease the contact surfaces of the cylinder block sub-assembly and stiffening crankcase assembly.
- Apply seal packing to the areas as shown in the illustration.
Seal packing
Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent
Standard Seal Dimension
Area Specified Condition Continuous Line 2.5 to 3.5 mm (0.0984 to 0.138 in.) Dashed Line 7.0 to 9.0 mm (0.276 to 0.354 in.) wide and 2.5 to 3.5 mm (0.0984 to 0.138 in.) thick Application length A
28 mm (1.10 in.)
*a Seal Packing *b 28 mm (1.10 in.) *c 2.5 to 3.5 mm (0.0984 to 0.138 in.) *d 7.0 to 9.0 mm (0.276 to 0.354 in.) NOTE:- Remove any oil from the contact surface.
- Install the stiffening crankcase assembly within 3 minutes and tighten the bolts within 10 minutes after applying seal packing.
- Do not add engine oil within 2 hours of installation.
- Do not start the engine for at least 2 hours after the installation.
- Align the crankshaft pulley set key groove, timing marks on the balance shaft and balance shaft housing as shown in the illustration, and then set the stiffening crankcase assembly and engine balancer assembly on the cylinder block sub-assembly.
*a Timing Mark
(Balance Shaft Housing Side)*b Timing Mark
(Balance Shaft Side)*c Crankshaft Pulley Set Key Groove - Apply adhesive to the threaded portion of the bolt E shown in the illustration.
Adhesive
Toyota Genuine Adhesive 1344, Three Bond 1344 or equivalent
*a Bolt Type *b Tightening Order NOTE:Install the bolt within 3 minutes of applying adhesive.
- Temporarily install the stiffening crankcase assembly to the cylinder block sub-assembly with the 12 bolts.
Bolt Length
Item Length Diameter Bolt A 65 mm (2.56 in.) 8.0 mm (0.315 in.) Bolt B 85 mm (3.35 in.) 10 mm (0.394 in.) Bolt C 140 mm (5.51 in.) Bolt D, E 125 mm (4.92 in.) - Tighten the 12 bolts in the sequence shown in the illustration.
for bolt A
Torque: 24 N.m (245 kgf/cm, 18 ft.lbf)
except bolt A
Torque: 43 N.m (438 kgf/cm, 32 ft.lbf)
- Tighten the bolt.
Torque: 24 N.m (245 kgf/cm, 18 ft.lbf)
- INSTALL TEMPERATURE SENSOR
Refer to PROCEDURE - Step 1 [08/2015 - 10/2016] , or refer to PROCEDURE - Step 1 [10/2016 - ]
- INSTALL NO. 1 OIL PAN BAFFLE PLATE
- INSTALL OIL STRAINER SUB-ASSEMBLY
- Apply a light coat of engine oil to a new gasket.
- Align the protrusion of the gasket with the cutout of the oil strainer sub-assembly and install the gasket to the oil strainer sub-assembly.
*a Protrusion - Install the oil strainer sub-assembly to the stiffening crankcase assembly with the 3 bolts and engine balancer assembly in several steps in the sequence shown in the illustration.
Torque: 10 N.m (102 kgf/cm, 7 ft.lbf)
- INSTALL OIL PAN SUB-ASSEMBLY
- Apply seal packing in a continuous line as shown in the illustration.
Seal packing
Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent
Standard seal diameter
2.5 to 3.5 mm (0.0984 to 0.138 in.)
*a Seal Packing NOTE:- Remove any oil from the contact surface.
- Install the oil pan sub-assembly within 3 minutes and tighten the bolts and nuts within 10 minutes after applying seal packing.
- Do not add engine oil within 2 hours of installation.
- Do not start the engine for at least 2 hours after the installation.
- Install the oil pan sub-assembly to the stiffening crankcase assembly with the 11 bolts and 2 nuts in several steps in the sequence shown in the illustration.
Torque: 10 N.m (102 kgf/cm, 7 ft.lbf)
Bolt Nut
- Apply seal packing in a continuous line as shown in the illustration.
- INSTALL OIL PAN DRAIN PLUG
- Install a new gasket and the oil pan drain plug to the oil pan sub-assembly.
Torque: 40 N.m (408 kgf/cm, 30 ft.lbf)
- Install a new gasket and the oil pan drain plug to the oil pan sub-assembly.
- INSTALL ENGINE OIL LEVEL SENSOR
Refer to PROCEDURE - Step 1 [08/2015 - 10/2016] , or refer to PROCEDURE - Step 1 [10/2016 - ]
- INSTALL OIL COOLER ASSEMBLY
Refer to PROCEDURE - Step 2
- INSTALL OIL FILTER BRACKET CLIP
- Install the oil filter bracket clip to the stiffening crankcase assembly.
- INSTALL OIL FILTER CAP ASSEMBLY
Refer to PROCEDURE - Step 3 [08/2015 - 09/2020] , or refer to PROCEDURE - Step 3 [09/2020 - 11/2021] , or refer to PROCEDURE - Step 2 [11/2021 - 09/2022] , or refer to PROCEDURE - Step 2 [09/2022 - ]
- INSTALL REAR ENGINE OIL SEAL
Refer to PROCEDURE - Step 1
- INSTALL CYLINDER BLOCK WATER JACKET SPACER
- INSTALL CYLINDER HEAD GASKET
Refer to PROCEDURE - Step 1
- INSTALL CYLINDER HEAD SUB-ASSEMBLY
Refer to PROCEDURE - Step 2
- INSTALL VALVE STEM CAP
- Apply a light coat of engine oil to the valve stem caps.
- Install the 16 valve stem caps to the valve stem.NOTE:
- Install the valve stem cap at the same place it was removed from.
- Do not drop the valve stem caps into the cylinder head sub-assembly.
- INSTALL VALVE LASH ADJUSTER ASSEMBLY NOTE:
- Keep the valve lash adjuster assembly free from dirt and foreign objects.
- Only use clean engine oil.
- If the valve lash adjuster assembly is tilted after bleeding, oil will leak. Make sure to bleed the valve lash adjuster assembly again.
- Bleed the valve lash adjuster assembly.
See step 2
- If the plunger moves, bleed the valve lash adjuster assembly again.
- Place the valve lash adjuster assembly into a container full of new engine oil, and then fill the low pressure chamber with engine oil.
- Apply engine oil to the outer surface of the valve lash adjuster body and the tip of the plunger, and then install the valve lash adjuster assembly while turning it.NOTE:
Install the valve lash adjuster assembly into the same place it was removed from.
- INSTALL NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY
- Apply engine oil to the valve lash adjuster assembly tips and valve stem caps.
*1 No. 1 Valve Rocker Arm Sub-assembly *2 Valve Lash Adjuster Assembly *3 Valve Stem Cap - Install the 16 No. 1 valve rocker arm sub-assemblies as shown in the illustration.NOTE:
Install the No. 1 valve rocker arm sub-assembly at the same place it was removed from.
- Apply engine oil to the valve lash adjuster assembly tips and valve stem caps.
- INSTALL NO. 1 CAMSHAFT BEARING
- Clean the No. 1 camshaft bearing.NOTE:
Do not apply engine oil to the No. 1 camshaft bearing or contact surfaces.
- Install the No. 1 camshaft bearing to the No. 1 camshaft bearing cap.
*a Vernier Caliper - Using a vernier caliper, measure the distance between the No. 1 camshaft bearing cap edge and the No. 1 camshaft bearing edge.
Standard dimension
A - B or B - A = 0 to 0.7 mm (0 to 0.0276 in.)
- Clean the No. 1 camshaft bearing.
- INSTALL NO. 2 CAMSHAFT BEARING
- Clean the No. 2 camshaft bearing.NOTE:
Do not apply engine oil to the No. 2 camshaft bearing or contact surfaces.
- Install the No. 2 camshaft bearing to the camshaft housing sub-assembly.
*a Vernier Caliper - Using a vernier caliper, measure the distance between the camshaft housing sub-assembly edge and the No. 2 camshaft bearing edge.
Standard distance
A = 1.15 to 1.85 mm (0.0453 to 0.0728 in.)
- Clean the No. 2 camshaft bearing.
- INSTALL OIL CONTROL VALVE FILTER
- Check that there is no foreign matter on the mesh section.
- Install the oil control valve filter to the No. 1 camshaft bearing cap.NOTE:
Do not touch the mesh section on the oil control valve filter.
- INSTALL NO. 2 CAMSHAFT
HINT:
Perform "Inspection After Repair" after replacing the No. 2 camshaft.
Refer to INITIALIZATION [08/2015 - 09/2018] , or refer to INITIALIZATION [09/2018 - 09/2019] , or refer to INITIALIZATION [09/2019 - ]
- Clean the No. 2 camshaft journals and camshaft housing sub-assembly.
- Apply a light coat of engine oil to the No. 2 camshaft journals and camshaft housing sub-assembly.
- Clean the thrust surface of the No. 2 camshaft and apply engine oil.
*a Thrust Surface - Set the No. 2 camshaft to the camshaft housing sub-assembly.
- INSTALL CAMSHAFT
HINT:
Perform "Inspection After Repair" after replacing the camshaft.
Refer to INITIALIZATION [08/2015 - 09/2018] , or refer to INITIALIZATION [09/2018 - 09/2019] , or refer to INITIALIZATION [09/2019 - ]
- INSTALL CAMSHAFT BEARING CAP
- Clean the camshaft bearing caps.
- Apply a light coat of engine oil to the camshaft journals and camshaft bearing caps.
- Place the No. 1, No. 2, No. 3 and No. 4 camshaft bearing caps to the camshaft housing sub-assembly.
- Using several steps, uniformly tighten the 11 bolts in the sequence shown in the illustration.
Torque: 16 N.m (163 kgf/cm, 12 ft.lbf)
*1 No. 1 Camshaft Bearing Cap *2 No. 2 Camshaft Bearing Cap *3 No. 3 Camshaft Bearing Cap *4 No. 4 Camshaft Bearing Cap NOTE:After installing the No. 1, No. 2, No. 3 and No. 4 camshaft bearing caps, make sure that the camshaft and No. 2 camshaft rotate smoothly.
- INSTALL NO. 3 WATER BY-PASS PIPE
- Install a new gasket and the No. 3 water by-pass pipe to the cylinder head sub-assembly with the 3 bolts in the order shown in the illustration.
Torque: 10 N.m (102 kgf/cm, 7 ft.lbf)
HINT:
Make sure the claws of the gasket face the No. 3 water by-pass pipe.
- Install a new gasket and the No. 3 water by-pass pipe to the cylinder head sub-assembly with the 3 bolts in the order shown in the illustration.
- INSTALL CAMSHAFT HOUSING SUB-ASSEMBLY
- Check that the No. 1 valve rocker arm sub-assemblies are installed as shown in the illustration.
*1 No. 1 Valve Rocker Arm Sub-assembly *2 Valve Lash Adjuster Assembly *3 Valve Stem Cap - Apply seal packing to the areas as shown in the illustration.
Seal packing
Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent
Standard seal diameter
3.0 to 4.0 mm (0.118 to 0.158 in.)
*a Seal Packing NOTE:- Remove any oil from the contact surface.
- Check the bolts and bolt holes and clean them.
- Install the camshaft housing sub-assembly within 3 minutes and tighten the bolts within 10 minutes after applying seal packing.
- Do not add engine oil within 2 hours of installation.
- Do not start the engine for at least 2 hours after the installation.
- Position the knock pins of the camshaft and No. 2 camshaft as shown in the illustration.
*a Approximately 17° *b Approximately 2° *c Knock Pin - Install the camshaft housing sub-assembly, and then install the 22 bolts in the order shown in the illustration.
Torque: 27 N.m (275 kgf/cm, 20 ft.lbf)
NOTE:If the bolts have been loosened during the installation, apply seal packing to the camshaft housing sub-assembly again.
- Check that the No. 1 valve rocker arm sub-assemblies are installed as shown in the illustration.
- INSTALL OIL PIPE SUB-ASSEMBLY
- INSTALL CAMSHAFT TIMING GEAR ASSEMBLY NOTE:
There are different types of camshaft timing gear bolts. Make sure to check the identification mark on the bolt and use the specified torque value for the bolt when tightening.
*a Identification Mark IDENTIFICATION MARKType Identification Mark A A B C HINT:
Perform "Inspection After Repair" after replacing the camshaft timing gear assembly.
Refer to INITIALIZATION [08/2015 - 09/2018] , or refer to INITIALIZATION [09/2018 - 09/2019] , or refer to INITIALIZATION [09/2019 - ]
- Fit the camshaft timing gear assembly and camshaft together with the knock pin and knock pin hole misaligned as shown in the illustration.
*a Knock Pin Hole *b Knock Pin - Turn the camshaft timing gear assembly clockwise while pushing it gently toward the camshaft. When the knock pin fits into the knock pin hole, push to ensure a good fit.NOTE:
Do not forcefully press the camshaft timing gear assembly. Otherwise, the tip of knock pin of the camshaft may damage the seal surface of the camshaft timing gear assembly, leading to poor sealing.
- Check that there is no clearance between the camshaft timing gear assembly and portion A of the camshaft indicated in the illustration.
*1 Camshaft Timing Gear Assembly *a Incorrect *b Correct *c Portion A of Camshaft *d No Clearance - Apply engine oil to the areas of the camshaft timing gear bolt indicated in the illustration.
- Temporarily install the camshaft timing gear bolt.
HINT:
When temporarily installing the camshaft timing gear bolt, make sure that it is screwed in approximately 3 threads.
- Use a wrench to hold the hexagonal portion of the camshaft.
*a Hold Turn - Tighten the camshaft timing gear bolt.
Type A
Torque: 120 N.m (1224 kgf/cm, 89 ft.lbf)
Type B
Torque: 95 N.m (969 kgf/cm, 70 ft.lbf)
NOTE:- Be careful not to damage the camshaft housing sub-assembly or spark plug tube with the wrench.
- Do not disassemble the camshaft timing gear assembly.
- Fit the camshaft timing gear assembly and camshaft together with the knock pin and knock pin hole misaligned as shown in the illustration.
- INSTALL CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY
HINT:
Perform "Inspection After Repair" after replacing the camshaft timing exhaust gear assembly.
Refer to INITIALIZATION [08/2015 - 09/2018] , or refer to INITIALIZATION [09/2018 - 09/2019] , or refer to INITIALIZATION [09/2019 - ]
- Align the knock pin of the No. 2 camshaft with the knock pin hole of the camshaft timing exhaust gear assembly and attach the camshaft timing exhaust gear assembly to the No. 2 camshaft.
*a Knock Pin Hole *b Knock Pin NOTE:Do not forcefully press the camshaft timing exhaust gear assembly. Otherwise, the tip of knock pin of the No. 2 camshaft may damage the seal surface of the camshaft timing exhaust gear assembly, leading to poor sealing.
- Check that there is no clearance between the camshaft timing exhaust gear assembly and No. 2 camshaft flange.
*1 Camshaft Timing Exhaust Gear Assembly *a Incorrect *b Correct *c No. 2 Camshaft Flange *d No Clearance - Use a wrench to hold the hexagonal portion of the No. 2 camshaft, install the bolt.
Torque: 85 N.m (867 kgf/cm, 63 ft.lbf)
*a Hold Turn NOTE:- Be careful not to damage the camshaft housing sub-assembly or spark plug tube with the wrench.
- Do not disassemble the camshaft timing exhaust gear assembly.
- Align the knock pin of the No. 2 camshaft with the knock pin hole of the camshaft timing exhaust gear assembly and attach the camshaft timing exhaust gear assembly to the No. 2 camshaft.
- ADD ENGINE OIL
- INSTALL CRANKSHAFT TIMING GEAR OR SPROCKET
- Install the crankshaft timing gear or sprocket to the crankshaft.
- INSTALL NO. 1 CHAIN VIBRATION DAMPER
- Temporarily install the No. 1 chain vibration damper to the cylinder head sub-assembly and cylinder block sub-assembly with the 2 bolts.
- Tighten the 2 bolts in the order shown in the illustration.
Torque: 21 N.m (214 kgf/cm, 15 ft.lbf)
- INSTALL CHAIN SUB-ASSEMBLY
- Temporarily install the crankshaft pulley set bolt.
- Rotate the crankshaft 40° counterclockwise to position the crankshaft pulley set key as shown in the illustration.
*1 Crankshaft Pulley Set Key *a 40° - Check that the timing marks (groove) of the camshaft timing gear assembly and camshaft timing exhaust gear assembly are as shown in the illustration.
*a Timing Mark (Groove) *b Approximately 7° *c Approximately 32° - Place the chain sub-assembly onto the camshaft timing gear assembly, camshaft timing exhaust gear assembly and crankshaft timing sprocket.
HINT:
- Make sure the mark plate of the chain sub-assembly faces away from the front of the engine.
- It is not necessary to install the chain sub-assembly to the teeth of the camshaft timing gear assembly, camshaft timing exhaust gear assembly and crankshaft timing sprocket.
- Align the mark plate (orange) of the chain sub-assembly with the timing mark (groove) of the camshaft timing exhaust gear assembly and install the chain sub-assembly to the camshaft timing exhaust gear assembly.
*a Mark Plate (Orange) *b Timing Mark (Groove) - Align the mark plate (yellow) of the chain sub-assembly with the timing mark of the crankshaft timing sprocket and install the chain sub-assembly to the crankshaft timing sprocket.
*a Mark Plate (Yellow) *b Timing Mark - Tie a string above the crankshaft timing sprocket so that the chain sub-assembly is secure.
- Using the hexagonal portion of the camshaft, rotate the camshaft counterclockwise with a wrench, align the timing mark (groove) of the camshaft timing gear assembly with the mark plate (orange) of the chain sub-assembly and install the chain sub-assembly to the camshaft timing gear assembly.
*a Mark Plate (Orange) *b Timing Mark (Groove) HINT:
Hold the camshaft in place with a wrench until the No. 1 chain tensioner assembly is installed.
- Remove the string above the crankshaft timing sprocket, rotate the crankshaft clockwise, and loosen the chain sub-assembly so that the chain tensioner slipper can be installed.NOTE:
Make sure the chain sub-assembly is secure.
- INSTALL CHAIN TENSIONER SLIPPER
- INSTALL NO. 1 CHAIN TENSIONER ASSEMBLY
- INSTALL TIMING CHAIN GUIDE
- CHECK NO. 1 CYLINDER TO TDC/COMPRESSION
See step 21
- INSTALL TIMING CHAIN COVER PLATE
- INSTALL TIMING CHAIN COVER ASSEMBLY
Refer to PROCEDURE - Step 1
- INSTALL TIMING GEAR CASE OR TIMING CHAIN CASE OIL SEAL
Refer to PROCEDURE - Step 2
- INSTALL CRANKSHAFT PULLEY ASSEMBLY
- Align the crankshaft pulley set key with the crankshaft pulley set key groove of the crankshaft pulley assembly.
- Using SST, hold the crankshaft pulley assembly and install the crankshaft pulley set bolt.
- SST: 09213-54015
- SST: 09330-00021
Torque: 260 N.m (2651 kgf/cm, 192 ft.lbf)
*a Hold Turn HINT:
Part number of installation bolt for SST (crankshaft pulley holding tool): 91551-80650 (quantity: 2)
- INSTALL CRANK POSITION SENSOR
Refer to PROCEDURE - Step 1
- INSTALL WATER OUTLET SUB-ASSEMBLY
- Install a new O-ring to the timing chain cover assembly.
- Install the water outlet sub-assembly to the timing chain cover assembly with the nut and 2 bolts.
Torque: 10 N.m (102 kgf/cm, 7 ft.lbf)
- Connect the No. 6 water by-pass hose to the water outlet sub-assembly with the clip as shown in the illustration.
*a Upper Side *b Front Side *c 45° HINT:
Install the clip so that it is positioned as shown in the illustration.
- INSTALL E.F.I. ENGINE COOLANT TEMPERATURE SENSOR
Refer to PROCEDURE - Step 1
- INSTALL CAM TIMING OIL CONTROL SOLENOID ASSEMBLY
Refer to PROCEDURE - Step 1
- INSTALL SPARK PLUG TUBE GASKET
- INSTALL CAMSHAFT BEARING CAP OIL HOLE GASKET
Refer to PROCEDURE - Step 19
- INSTALL CYLINDER HEAD COVER GASKET
Refer to PROCEDURE - Step 20
- INSTALL CYLINDER HEAD COVER SUB-ASSEMBLY
Refer to PROCEDURE - Step 21
- INSTALL NO. 1 VENTILATION CASE
- Apply seal packing to a new No. 1 ventilation case in the areas indicated in the illustration.
Seal packing
Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent
Standard seal diameter
2.5 to 3.5 mm (0.0984 to 0.138 in.)
*a Seal Packing NOTE:- Do not reuse the No. 1 ventilation case
- Remove any oil from the contact surface.
- Install the No. 1 ventilation case within 3 minutes and tighten the bolts within 15 minutes after applying seal packing.
- Do not add engine oil within 2 hours of installation.
- Do not start the engine for at least 2 hours after the installation.
HINT:
Make sure to apply seal packing so that there are no gaps in the areas indicated by A in the illustration.
- Install the No. 1 ventilation case, and then tighten the 6 bolts and 2 nuts in the order shown in the illustration.
Bolt Nut Torque: 21 N.m (214 kgf/cm, 15 ft.lbf)
- Apply seal packing to a new No. 1 ventilation case in the areas indicated in the illustration.
- INSTALL PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY)
Refer to PROCEDURE - Step 1
- INSTALL CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (for Exhaust Side)
Refer to PROCEDURE - Step 1
- INSTALL OIL PRESSURE SENDER GAUGE ASSEMBLY
Refer to PROCEDURE - Step 1
- INSTALL KNOCK CONTROL SENSOR
Refer to PROCEDURE - Step 1
- INSTALL SPARK PLUG
Refer to PROCEDURE - Step 1