Reassembly [11/2017 - ]: Procedure

HINT: 

When using a new cylinder head LH, the spark plug tubes must be replaced.

1. Apply adhesive to a new spark plug tube as shown in the illustration.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	9.0 to 15.0 mm (0.354 to 0.591 in.)
   *b	Application Width

   Adhesive

   Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent.

   Standard Application Width

   1.0 to 3.0 mm (0.0394 to 0.118 in.)

   NOTE:

   Install the spark plug tube within 3 minutes of applying adhesive.

2. Using a hammer and wooden block, tap in the 3 spark plug tubes to the specified protrusion height.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Protrusion Height
   *b	Cylinder Head LH Top Surface

   Standard Protrusion Height

   75.1 to 76.1 mm (2.96 to 3.00 in.)

   NOTE:

   • Do not tap in the spark plug tube more than specified.
   • Do not start the engine for at least 1 hour after installation.
   • Be careful not to deform the spark plug tubes.
   • Be careful not to let adhesive drip into the cylinder head LH.

1. Apply adhesive to the 4 No. 1 straight screw plugs.

   Adhesive

   Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent

   NOTE:

   Install the 4 No. 1 straight screw plugs within 3 minutes of applying adhesive.

2. Using a 10 mm hexagon socket wrench, install 4 new water hole gaskets and the 4 No. 1 straight screw plugs.

   Torque: 44 N.m (449 kgf/cm, 32 ft.lbf) 

1. Using a 14 mm hexagon wrench, install 2 new cylinder head screw plug gaskets and the 2 No. 2 straight screw plugs.

   Torque: 80 N.m (816 kgf/cm, 59 ft.lbf) 

1. Apply adhesive to the 8 No. 3 straight screw plugs.

   Adhesive

   Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent

   NOTE:

   Install the 8 No. 3 straight screw plugs within 3 minutes of applying adhesive.

2. Using a 10 mm hexagon wrench, install 8 new cylinder head screw plug gaskets and the 8 No. 3 straight screw plugs.

   Torque: 65 N.m (663 kgf/cm, 48 ft.lbf) 

1. Apply adhesive to the 2 unions.

   Adhesive

   Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent

   NOTE:

   Install the 2 unions within 3 minutes of applying adhesive.

2. Using a 12 mm union nut wrench, install the 2 unions as shown in the illustration.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *A	for Bank 1	*B	for Bank 2
   *a	55 mm (2.17 in.)	*b	30 mm (1.18 in.)

   Specified tightening torque 

   Torque: 14.7 N.m (150 kgf/cm, 11 ft.lbf) 

   HINT: 

   • Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.

     Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

     *a	Torque Wrench Fulcrum Length

     Refer to PRECAUTION [11/2017 - 09/2020] , or refer to PRECAUTION [09/2020 - ]

   • When using a union nut wrench (fulcrum length of 20 mm (0.787 in.)) + torque wrench (fulcrum length of 300 mm (11.8 in.)): 13.8 N.m (141 kgf/cm, 10 ft.lbf)

1. Install the 12 valve spring seats to the cylinder head LH.

1. Apply a light coat of engine oil to 6 new intake valve stem oil seal.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Gray
   *b	Black
   *c	Intake Side
   *d	Exhaust Side

   NOTE:

   Make sure to install each valve stem oil seal to the correct side. Installing an intake valve stem oil seal to the exhaust side or installing an exhaust valve stem oil seal to the intake side can cause installation problems later.

   HINT: 

   The intake valve stem oil seals are gray and the exhaust valve stem oil seals are black.

2. Using SST, push in the 6 intake valve stem oil seals to the intake valve guide bushes.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Correct
   *b	Incorrect

   • SST: 09201-41020 
   NOTE:

   • Failure to use SST will cause the intake valve stem oil seal to be damaged or improperly seated.
   • Do not push in the intake valve stem oil seal at an angle.

HINT: 

Use the same procedure as for the intake side.

1. Sufficiently apply engine oil to the tip area of the exhaust valve shown in the illustration.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	40 mm (1.57 in.) or more

2. Install the 6 exhaust valves, 6 inner compression springs and 6 valve spring retainers to the cylinder head LH.
   NOTE:

   Install the same parts in the same combination to their original locations.

3. Using SST and wooden blocks, compress the inner compression springs and install the 6 valve spring retainer locks to the valve spring retainers.
   • SST: 09202-70020 
     1. 09202-01010
     2. 09202-01020
   • SST: 09202-00021 

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   NOTE:

   Install the same parts in the same combination to their original locations.

4. Using a plastic hammer, lightly tap the valve stem tip to ensure a proper fit.
   NOTE:

   • Be careful not to damage the valve stem tip.
   • Be careful not to damage the valve spring retainer.

1. Sufficiently apply engine oil to the tip area of the intake valve shown in the illustration.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	40 mm (1.57 in.) or more

2. Install the 6 intake valves, 6 inner compression springs and 6 valve spring retainers to the cylinder head LH.
   NOTE:

   Install the same parts in the same combination to their original locations.

3. Using SST and wooden blocks, compress the inner compression springs and install the 6 valve spring retainer locks to the valve spring retainers.
   • SST: 09202-70020 
     1. 09202-01010
     2. 09202-01020
   • SST: 09202-00021 

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   NOTE:

   Install the same parts in the same combination to their original locations.

4. Using a plastic hammer, lightly tap the valve stem tip to ensure a proper fit.
   NOTE:

   • Be careful not to damage the valve stem tip.
   • Be careful not to damage the valve spring retainer.