Cylinder Head Installation

Place a new gasket on the cylinder head with the white mark facing the manifold side.

NOTICE:

Be careful of the installation direction.

Install the exhaust manifold with 8 new nuts. Uniformly tighten the nuts in several passes.

Torque:

44 N*m{449 kgf*cm, 32 ft.*lbf}

Install the heat insulator with the 4 bolts.

Torque:

7.5 N*m{76 kgf*cm, 66 in.*lbf}

Place a new gasket on the cylinder head with the white mark facing the manifold side.

NOTICE:

Be careful of the installation direction.

Install the exhaust manifold with 8 new nuts. Uniformly tighten the nuts in several passes.

Torque:

44 N*m{449 kgf*cm, 32 ft.*lbf}

Install the heat insulator with the 4 bolts.

Torque:

7.5 N*m{76 kgf*cm, 66 in.*lbf}

Place a new cylinder head gasket in position on the cylinder block.

HINT:

The rear side of the cylinder head gasket has marks so that the RH and LH banks can be distinguished. A "3L" mark is on the LH bank's gasket.

NOTICE:

Be careful of the installation direction.

Check that the timing mark of the crankshaft timing pulley is in the position shown in the illustration, and that the piston is below the TDC of compression.

Install the cylinder head together with the exhaust manifold to the cylinder block.

Apply a light coat of engine oil on the threads and under the head of the cylinder head bolts.

Put the washer on the bolt, and insert the bolt with washer into the cylinder head.

NOTICE:

Be careful not to drop washers into the cylinder head.

Install and uniformly tighten the 10 cylinder head bolts and plate washers in the sequence shown in the illustration.

Torque:

59 N*m{601 kgf*cm, 44 ft.*lbf}

Mark the front of the cylinder head bolt's head with paint.

Tighten the cylinder head bolts another 90° in the sequence shown in the illustration.

Check that the painted mark is now at a 90° angle to the front.

Place a new cylinder head gasket in position on the cylinder block.

HINT:

The rear side of the cylinder head gasket has marks so that the RH and LH banks can be distinguished. A "3R" mark is on the RH bank's gasket.

NOTICE:

Be careful of the installation direction.

Check that the timing mark of the crankshaft timing pulley is in the position shown in the illustration, and that the piston is below the TDC of compression.

Install the cylinder head together with the exhaust manifold to the cylinder block.

Apply a light coat of engine oil on the threads and under the head of the cylinder head bolts.

Put the washer on the bolt, and insert the bolt with washer into the cylinder head.

NOTICE:

Be careful not to drop washers into the cylinder head.

Install and uniformly tighten the 10 cylinder head bolts, and plate washers in the sequence shown in the illustration.

Torque:

59 N*m{601 kgf*cm, 44 ft.*lbf}

Mark the front of the cylinder head bolt's head with paint.

Tighten the cylinder head bolts another 90° in the sequence shown in the illustration.

Check that the painted mark is now at a 90° angle to the front.

Install 2 new gaskets to the 2 TWCs.

NOTICE:

Do not reuse the gaskets.

Install the 2 TWCs to the exhaust manifold with the 6 nuts.

Torque:

62 N*m{632 kgf*cm, 46 ft.*lbf}

Install the engine hanger with the 2 bolts.

Torque:

37 N*m{377 kgf*cm, 27 ft.*lbf}

Install the engine hanger with the 2 bolts.

Torque:

37 N*m{377 kgf*cm, 27 ft.*lbf}

Install 2 new gaskets and the water by-pass joint with the 4 nuts. Alternately tighten the nuts.

Torque:

18 N*m{184 kgf*cm, 13 ft.*lbf}

Connect the ECT connector.

Install a new O-ring to the water inlet housing.

Apply soapy water on the O-ring.

Apply seal packing to the sealing groove of the inlet housing as shown in the illustration.

Seal packing:

Part No. 08826-00100 or equivalent

Seal diameter:

2 to 3 mm (0.08 to 0.12 in.)

NOTICE:

1. Remove any oil from the contact surface.
   
2. Install the water inlet housing within 3 minutes after applying seal packing.
   
3. Do not start the engine for at least 2 hours after installing it.
   

Install the water inlet and housing with the 2 bolts. Alternately tighten the bolts.

Torque:

18 N*m{184 kgf*cm, 13 ft.*lbf}

Install 2 new gaskets and the water by-pass joint with the 4 nuts. Alternately tighten the nuts.

Torque:

18 N*m{184 kgf*cm, 13 ft.*lbf}

Install the manifold (Click here).

Connect the connector of the fuel tube connected to the fuel main tube, then pinch the connector.

Apply engine oil to the cam and gear of the camshaft and also the journal of the cylinder head.

Align the timing marks (2 dot marks each) of the camshaft drive and driven main gears, and place the No. 3 and No. 4 camshafts.

Set the timing mark (2 dot marks each) of the camshaft drive and driven main gears at an angle of approximately 10°.

Apply seal packing to the camshaft housing plug.

1. Remove the old packing (FIPG) material.
   
2. Apply seal packing to the housing plug as shown in the illustration.
   

   Seal packing:

   Part No. 08826-00080 or equivalent
   

Install the camshaft housing plug to the cylinder head as shown in the illustration.

Install the oil control valve filter to the cylinder head.

NOTICE:

Be careful of the installation direction.

Apply seal packing to the front bearing cap.

1. Remove any old packing (FIPG) material.
   
2. Apply seal packing to the bearing cap as shown in the illustration.
   

   Seal packing:

   Part No. 08826-00080 or equivalent
   

   Seal diameter:

   1.5 to 2.0 mm (0.059 to 0.079 in.)
   

   NOTICE:

   Do not apply seal packing to the front bearing cap grooves.

Install the front bearing cap.

HINT:

Installing the front bearing cap will determine the thrust portion of the camshaft.

Install the other bearing caps in the sequence shown, with the arrow mark facing forward.

Push in the camshaft oil seal.

Install 4 new seal washers to the bearing cap bolts (1 to 4).

Apply a light coat of engine oil on the threads and under the heads of the bearing cap bolts (5 to 22).

NOTICE:

Do not apply engine oil under the heads of the bearing cap bolts (1 to 4).

Install the oil feed pipe and the 22 bearing cap bolts.

Uniformly tighten the 22 bearing cap bolts in several passes in the sequence shown in the illustration.

Torque:

7.5 N*m{76 kgf*cm, 66 ft.*lbf} for bolts 21 and 22

16 N*m{163 kgf*cm, 12 in.*lbf} for other bolts

Remove the service bolt.

Install a new O-ring to the oil control valve.

Install the oil control valve with the bolt.

Torque:

7.5 N*m{76 kgf*cm, 66 in.*lbf}

Connect the oil control valve connector.

Align the camshaft timing tube knock pin with the knock pin groove of the timing pulley.

Attach the timing pulley to the camshaft timing tube. Face the timing pulley's "L" mark forward.

Hold the camshaft with a wrench and install the 4 pulley bolts.

Torque:

7.5 N*m{76 kgf*cm, 66 in.*lbf}

Apply engine oil to the cam and gear of the camshaft and also the journal of the cylinder head.

Align the timing marks (1 dot mark each) of the camshaft drive and driven main gears, and place the intake and exhaust camshafts.

Set the timing mark (1 dot mark each) of the camshaft drive and driven main gears at an angle of approximately 10°.

Apply seal packing to the camshaft housing plug.

1. Remove the old packing (FIPG) material.
   
2. Apply seal packing to the housing plug as shown in the illustration.
   

   Seal packing:

   Part No. 08826-00080 or equivalent
   

Install the camshaft housing plug to the cylinder head as shown in the illustration.

Install the oil control valve filter to the cylinder head.

NOTICE:

Be careful of the installation direction.

Apply seal packing to the front bearing cap.

1. Remove any old packing (FIPG) material.
   
2. Apply seal packing to the bearing cap as shown in the illustration.
   

   Seal packing:

   Part No. 08826-00080 or equivalent
   

   Seal diameter:

   1.5 to 2.0 mm (0.059 to 0.079 in.)
   

   NOTICE:

   Do not apply seal packing to the front bearing cap grooves.

Install the front bearing cap.

HINT:

Installing the front bearing cap will determine the thrust portion of the camshaft.

Install the other bearing caps in the sequence shown, with the arrow mark facing forward.

Push in the camshaft oil seal.

Install 4 new seal washers to the bearing cap bolts (1 to 4).

Apply a light coat of engine oil on the threads and under the heads of the bearing cap bolts (5 to 22).

NOTICE:

Do not apply engine oil under the heads of the bearing cap bolts (1 to 4).

Install the oil feed pipe and the 22 bearing cap bolts.

Uniformly tighten the 22 bearing cap bolts in several passes in the sequence shown in the illustration.

Torque:

7.5 N*m{76 kgf*cm, 66 ft.*lbf} for bolts 21 and 22

16 N*m{163 kgf*cm, 12 in.*lbf} for other bolts

Remove the service bolt.

Install a new O-ring to the oil control valve.

Install the oil control valve with the bolt.

Torque:

7.5 N*m{76 kgf*cm, 66 in.*lbf}

Connect the oil control valve connector.

Install the timing belt plate with the bolt and stud bolt.

Torque:

7.5 N*m{76 kgf*cm, 66 in.*lbf}

Install the timing belt plate with the 2 bolts.

Torque:

7.5 N*m{76 kgf*cm, 66 in.*lbf}

Install the timing belt plate with the bolt.

Torque:

7.5 N*m{76 kgf*cm, 66 in.*lbf}

Install the timing belt plate with the 2 bolts.

Torque:

7.5 N*m{76 kgf*cm, 66 in.*lbf}

Align the camshaft timing tube knock pin with the knock pin groove of the timing pulley.

Attach the timing pulley to the camshaft timing tube. Face the timing pulley's "R" mark forward.

Hold the camshaft with a wrench and install the 4 pulley bolts.

Torque:

7.5 N*m{76 kgf*cm, 66 in.*lbf}

Remove any old packing (FIPG) material.

Apply seal packing to the cylinder heads as shown in the illustration.

Seal packing:

Part No. 08826-00080 or equivalent

NOTICE:

1. Remove any oil from the contact surface.
   
2. Install the oil pan within 5 minutes after applying seal packing.
   
3. Do not start the engine within 2 hours after applying seal packing.
   

Install the gasket to the cylinder head cover.

Install the seal washer to the bolt.

Install the cylinder head cover with the 9 bolts. Uniformly tighten the bolts in several passes.

Torque:

6.0 N*m{61 kgf*cm, 53 in.*lbf}

Install the wire clamp bracket on the engine wire to the cylinder head.

Install the wire clamp bracket on the engine wire to the camshaft bearing cap.

Remove any old packing (FIPG) material.

Apply seal packing to the cylinder heads as shown in the illustration.

Seal packing:

Part No. 08826-00080 or equivalent

NOTICE:

1. Remove any oil from the contact surface.
   
2. Install the oil pan within 5 minutes after applying seal packing.
   
3. Do not start the engine within 2 hours after applying seal packing.
   

Install the gasket to the cylinder head cover.

Install the seal washer to the bolt.

Install the cylinder head cover with the 9 bolts. Uniformly tighten the bolts in several passes.

Torque:

6.0 N*m{61 kgf*cm, 53 in.*lbf}

Install the wire clamp bracket on the engine wire to the cylinder head.

Install the wire clamp bracket on the engine wire to the camshaft bearing cap.

Install the timing belt (Click here).

Perform initialization (Click here).

NOTICE:

Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.