Installation [02/2017 - ]: Procedure

1. Apply seal packing (diameter 4.0 mm (0.157 in.)) to the cylinder block sub-assembly as shown in the illustration.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	Cylinder Block Sub-assembly
   *a	Seal Packing
   	Engine Front

   Seal Packing

   Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent

   NOTE:

   Remove any oil from the cylinder block sub-assembly.

2. Place a new cylinder head gasket on the cylinder block sub-assembly with the Lot No. stamp facing upward.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Lot No.
   	Engine Front

   NOTE:

   Install the cylinder head gasket within 3 minutes of applying seal packing.

3. Apply seal packing (diameter 4.0 mm (0.157 in.)) to the new cylinder head gasket as shown in the illustration.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	Cylinder Head Gasket
   *a	Seal Packing
   	Engine Front

   Seal Packing

   Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent

   NOTE:

   • Remove any oil from the cylinder head gasket and cylinder head sub-assembly.
   • Install the cylinder head gasket within 3 minutes and tighten the bolts within 15 minutes of applying seal packing.

HINT: 

The cylinder head set bolts are tightened in 3 progressive steps.

1. Place the cylinder head sub-assembly on the cylinder block sub-assembly.
   NOTE:

   • Make sure that no oil is on the mounting surface of the cylinder head sub-assembly.
   • Place the cylinder head sub-assembly on the cylinder block sub-assembly gently in order not to damage the cylinder head gasket with the bottom part of the cylinder head sub-assembly.
2. Install the 10 plate washers to the 10 cylinder head set bolts.
3. Apply a light coat of engine oil to the threads and under the heads of the 10 cylinder head set bolts.
4. Step 1:
   Fig 1: Cylinder Head Sub-Assembly Tightening Sequence

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   1. Using a 10 mm bi-hexagon wrench, install and uniformly tighten the 10 cylinder head set bolts in several steps, in the order shown in the illustration.

      Torque: 49 N*m (500 kgf*cm, 36 ft.*lbf) 

      NOTE:

      Do not drop the plate washers into the cylinder head sub-assembly.

5. Step 2:

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Paint Mark
   	Engine Front

   1. Mark each cylinder head set bolt head with paint as shown in the illustration.
   2. Tighten the cylinder head set bolts 90° in the order shown in step 1.
6. Step 3:
   1. Tighten the cylinder head set bolts another 45° in the order shown in step 1.
7. Check that the paint marks are now at a 135° angle to the front.
8. After tightening the cylinder head set bolts, wipe off any seal packing material that seeped out from the contact surfaces between the cylinder head sub-assembly and cylinder block sub-assembly.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Before Wiping Off
   *b	After Wiping Off

   HINT: 

   Perform "Inspection After Repair" after replacing the cylinder head sub-assembly.

   Refer to INITIALIZATION [02/2017 - ]

Refer to PROCEDURE - Step 12 [02/2017 - 10/2017] , or refer to PROCEDURE - Step 12 [10/2017 - ]

1. Install the No. 1 water by-pass pipe with the 2 bolts.

   Torque: 21 N*m (214 kgf*cm, 15 ft.*lbf) 

Refer to INSTALLATION [02/2017 - ]