Engine Unit Disassembly

Remove the 2 cylinder block water drain cocks.

Disconnect the VVT sensor connector.

Remove the bolt and VVT sensor.

Disconnect the No. 4 and No. 5 water by-pass hoses.

Disconnect the VVT sensor connector.

Remove the bolt and VVT sensor.

Disconnect the camshaft timing oil control valve connector.

Remove the bolt and camshaft timing oil control valve.

Remove the O-ring from the camshaft timing oil control valve.

Disconnect the camshaft timing oil control valve connector.

Remove the bolt and camshaft timing oil control valve.

Remove the O-ring from the camshaft timing oil control valve.

Disconnect the crankshaft position sensor connector.

Remove the bolt and crankshaft position sensor.

Remove the plug, filter and gasket from each cylinder head.

When not using drain hose:

1. Remove the drain pipe cap from the drain pipe.
   

   Text in Illustration

   *1	Drain Pipe

2. While removing the oil filter with SST, collect the oil from the oil filter in a container.
   

   SST

   09228-07501
   

3. Install the drain pipe cap.
   

4. Clean the oil catch plate.
   

   HINT:

   When using a drain hose, perform the following procedure.

5. Using SST, remove the oil filter.
   

When using drain hose:

1. Remove the drain pipe cap from the drain pipe.
   





2. Connect a drain hose to the oil filter bracket.
   

   Text in Illustration

   *1	Drain Hose

   HINT:

   1. Drain hose inside diameter: 8 mm (0.315 in.)
      
   2. Drain hose length: Approximately 900 mm (2.95 ft.)
      

3. Feed the drain hose down through the engine under cover, and put the drain oil container beneath the drain hose to collect the oil from the oil filter.
   





4. Using SST, remove the oil filter.
   

   SST

   09228-07501
   

5. Remove the drain hose and install the drain pipe cap.
   

6. Clean the oil catch plate.
   

Disconnect the 2 hoses from the oil cooler.

Remove the union bolt, plate washer and oil cooler.

Remove the O-ring from the oil cooler.

Remove the 3 bolts, 2 nuts, oil filter bracket and gasket.

Text in Illustration

	Bolt
	Nut

Loosen the hose clamp and disconnect the PCV hose from the PCV valve.

Remove the PCV valve.

Remove the 6 spark plugs.

Remove the 2 radiator hoses from the water inlet assembly.

Disconnect the 5 water by-pass hoses.

Remove the 5 bolts and water inlet assembly.

Remove the O-ring from the water outlet pipe.

Remove the gasket from the engine water pump.

Remove the 10 bolts, 3 seal washers, 2 nuts, cylinder head cover and gasket.

Text in Illustration

	Bolt
	Nut

Remove the 10 bolts, 3 seal washers, 2 nuts, cylinder head cover and gasket.

Text in Illustration

	Bolt
	Nut

Turn the crankshaft pulley and align its groove with the "0" timing mark of the timing chain cover.

Check that the timing marks of the camshaft timing gears are aligned with the timing marks of the bearing cap as shown in the illustration.

Using SST, hold the crankshaft pulley and loosen the pulley bolt. Continue to loosen the bolt until only 2 or 3 threads are screwed into the crankshaft.

SST

09213-54015(91651-60855)
09330-00021

Using the pulley set bolt and SST, remove the crankshaft pulley and pulley bolt.

SST

09950-50013(09951-05010,09952-05010,09953-05020,09954-05031)

Remove the oil pan drain plug and gasket.

Remove the 14 bolts and 2 nuts.

Text in Illustration

	Bolt
	Nut

Insert the blade of an oil pan seal cutter between the oil pans. Cut through the applied sealer and remove the No. 2 oil pan.

NOTICE:

1. Be careful not to damage the contact surfaces of the oil pan and No. 2 oil pan.
   
2. Be careful not to damage the No. 2 oil pan flange.
   

Remove the bolt, 2 nuts, oil strainer and gasket.

Remove the 17 bolts and 2 nuts.

Text in Illustration

	Bolt
	Nut

Using a screwdriver, remove the oil pan by prying between the oil pan and cylinder block as shown in the illustration.

NOTICE:

Be careful not to damage the contact surfaces of the cylinder block and oil pan.

Remove the O-ring from the timing chain cover.

Remove the 24 bolts and 2 nuts.

Text in Illustration

	Bolt
	Nut

Remove the timing chain cover by prying between the timing chain cover and cylinder head or cylinder block with a screwdriver.

NOTICE:

Be careful not to damage the contact surfaces of the timing chain cover, cylinder block and cylinder head.

HINT:

Tape the screwdriver tip before use.

Remove the O-ring from the cylinder head for bank 2.

Remove the 8 bolts, engine water pump and gasket.

Using a screwdriver, pry out the front crankshaft oil seal.

NOTICE:

Do not damage the surface of the oil seal press fit hole or crankshaft.

HINT:

Tape the screwdriver tip before use.

While rotating the stopper plate of the tensioner upward, push in the plunger of the chain tensioner as shown in the illustration.

While rotating the stopper plate of the tensioner downward, insert a bar with a diameter of 3.5 mm (0.138 in.) into the holes in the stopper plate and tensioner to fix the stopper plate in place.

Remove the 2 bolts and No. 1 chain tensioner.

Using a 10 mm hexagon wrench, remove the No. 2 idle gear shaft, No. 1 idle gear and No. 1 idle gear shaft.

Remove the 2 No. 2 chain vibration dampers.

Remove the crankshaft timing gear or sprocket.

Remove the 2 bolts and No. 1 chain vibration damper.

While raising up the No. 2 chain tensioner, insert a pin with a diameter of 1.0 mm (0.0394 in.) into the hole to fix the tensioner in place.

Hold the hexagonal portion of the camshaft with a wrench and then remove the 2 bolts, the camshaft timing gear, the camshaft timing gear or sprocket and the No. 2 chain.

NOTICE:

1. Be careful not to damage the cylinder head and valve lifter with the wrench.
   
2. Do not disassemble the camshaft timing gear.
   

Remove the bolt and No. 2 chain tensioner.

While pushing down the No. 3 chain tensioner, insert a pin with a diameter of 1.0 mm (0.0394 in.) into the hole to fix the tensioner in place.

Hold the hexagonal portion of the camshaft with a wrench and then remove the 2 bolts, the camshaft timing gear, the camshaft timing gear or sprocket and the No. 2 chain.

NOTICE:

1. Be careful not to damage the cylinder head and valve lifter with the wrench.
   
2. Do not disassemble the camshaft timing gear.
   

Remove the bolt and No. 3 chain tensioner.

Remove the camshaft and No. 2 camshaft.

1. Rotate the camshafts counterclockwise using the hexagonal portion of each camshaft so that the cam lobes of the No. 1 cylinder are oriented as shown in the illustration.
   

   Text in Illustration

   *A	for Bank 1





2. Uniformly loosen and remove the 16 bearing cap bolts in the sequence shown in the illustration.
   

   Text in Illustration

   *A	for Bank 1

3. Remove the 8 bearing caps and 2 camshafts.
   

Remove the No. 3 camshaft and No. 4 camshaft.

1. Uniformly loosen and remove the 16 bearing cap bolts in the sequence shown in the illustration.
   

   Text in Illustration

   *A	for Bank 2

2. Remove the 8 bearing caps and 2 camshafts.
   

Remove the 2 bolts, 4 nuts, rear water by-pass joint and 2 gaskets.

Remove the O-ring from the No. 1 water outlet pipe.

Uniformly loosen and remove the 2 cylinder head bolts in the sequence shown in the illustration.

Using a 10 mm bi-hexagon wrench, uniformly loosen the 8 cylinder head bolts in the sequence shown in the illustration. Remove the 8 cylinder head bolts and plate washers.

NOTICE:

1. Be careful not to drop the plate washers into the cylinder head LH.
   
2. Cylinder head warpage or cracking could result from removing bolts in the incorrect order.
   

Lift the cylinder head from the dowels on the cylinder block and place the cylinder head LH on wooden blocks on a bench.

NOTICE:

Be careful not to damage the contact surfaces of the cylinder head LH and cylinder block.

HINT:

If the cylinder head LH is difficult to lift off, pry between the cylinder head LH and cylinder block with a screwdriver.

Using a 10 mm bi-hexagon wrench, uniformly loosen the 8 cylinder head bolts in the sequence shown in the illustration. Remove the 8 cylinder head bolts and plate washers.

NOTICE:

1. Be careful not to drop the plate washers into the cylinder head.
   
2. Cylinder head warpage or cracking could result from removing bolts in the incorrect order.
   

Lift the cylinder head from the dowels on the cylinder block and place the cylinder head on wooden blocks on a bench.

NOTICE:

Be careful not to damage the contact surfaces of the cylinder head and cylinder block.

HINT:

If the cylinder head is difficult to lift off, pry between the cylinder head and cylinder block with a screwdriver.

Disconnect the knock control sensor wire.

for Type A:
Remove the 3 bolts and No. 1 water outlet pipe.
for Type B:
Remove the bolt, 2 nuts and No. 1 water outlet pipe.

Disconnect the 2 knock sensor connectors.

Remove the 2 bolts and 2 knock sensors.

Remove the 5 bolts and 2 nuts.

Using a screwdriver, remove the rear engine oil seal retainer by prying between the rear engine oil seal retainer and crankshaft bearing cap.

HINT:

Tape the screwdriver tip before use.

Using a screwdriver and hammer, tap out the rear engine oil seal.

NOTICE:

Be careful not to damage the rear engine oil seal retainer.

Remove the 24 valve lifters.

HINT:

Arrange the valve lifters in the correct order.