Engine Unit Reassembly

Apply seal packing in a continuous bead (diameter: 2.5 mm (0.0984 in.)) to the places shown in the illustration.

Seal packing:

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

NOTICE:

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

Install the stiffening crankcase with the 11 bolts.

Torque:

21 N*m{214 kgf*cm, 16 ft.*lbf}

Bolt Length:

Item	Length
Bolt A	138 mm (5.43 in.)
Bolt B	35 mm (1.38 in.)
Bolt C	70 mm (2.76 in.)

Recheck the torque for bolts 1 and 2.

Torque:

21 N*m{214 kgf*cm, 16 ft.*lbf}

Wipe off any excess seal packing with a clean piece of cloth.

Using SST and a hammer, evenly tap the oil seal until its surface is flush with the rear oil seal retainer edge.

SST

09223-15030
09950-70010(09951-07100)

NOTICE:

1. Keep the lip free of foreign matter.
   
2. Do not tap on the oil seal at an angle.
   

Apply MP grease to a new oil seal lip.

NOTICE:

Wipe off extra grease on the crankshaft.

Install the oil pump with the 3 bolts.

Torque:

21 N*m{214 kgf*cm, 16 ft.*lbf}

Remove any old packing material and be careful not to drop any oil on the contact surfaces of the cylinder block and oil pan.

Apply a continuous bead of seal packing (Diameter 4.0 mm (0.157 in.)) as shown in the illustration.

Seal packing:

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

NOTICE:

1. Remove any oil from the contact surfaces.
   
2. Install the oil pan within 3 minutes after applying seal packing.
   
3. Do not start the engine for at least 2 hours after installing the oil pan.
   

Install the No. 2 oil pan with the 10 bolts and 2 nuts.

Torque:

10 N*m{102 kgf*cm, 7 ft.*lbf}

Install a new gasket and the oil pan drain plug.

Torque:

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

Apply adhesive to 2 or 3 threads of the No. 1 taper screw plug (A), and install the No. 1 taper screw plug (A).

Torque:

25 N*m{255 kgf*cm, 18 ft.*lbf}

Adhesive:

Toyota Genuine Adhesive 1344, Three Bond 1344 or equivalent

NOTICE:

1. Install the plug within 3 minutes of applying adhesive.
   
2. Do not start the engine within 1 hour of installing the plug.
   

Apply adhesive to 2 or 3 threads of the No. 1 taper screw plug (B), and install the No. 1 taper screw plug (B).

Torque:

43 N*m{439 kgf*cm, 32 ft.*lbf}

Adhesive:

Toyota Genuine Adhesive 1344, Three Bond 1344 or equivalent

NOTICE:

1. Install the plug within 3 minutes of applying adhesive.
   
2. Do not start the engine within 1 hour of installing the plug.
   

Apply adhesive to the threads of the ventilation valve.

Adhesive:

Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent

Install the ventilation valve.

Torque:

20 N*m{204 kgf*cm, 15 ft.*lbf}

NOTICE:

1. Install the crankcase within 3 minutes after applying seal packing.
   
2. Do not start the engine for at least 2 hours after installing the ventilation valve.
   

Place a new gasket on the cylinder block surface with the Lot No. stamp facing upward.

NOTICE:

1. Remove any oil from the contact surface.
   
2. Make sure that the gasket is installed in the correct direction.
   

Apply a light coat of engine oil to the bolt threads and the area beneath the bolt heads that come in contact with the washers.

Install the bolts and plate washers to the cylinder head.

NOTICE:

Do not drop the washers into the cylinder head.

Using several passes, uniformly install and tighten the 10 cylinder head set bolts and plate washers with a 10 mm bi-hexagon wrench in the order shown in the illustration.

Torque:

49 N*m{500 kgf*cm, 36 ft.*lbf}

Mark the front side of the cylinder head bolts with paint.

Further tighten the cylinder head bolts an additional 90°, then once more 45° as shown in the illustration.

Check that the paint mark is now at a 135° angle to the front.

Place the lash adjuster into a container filled with engine oil.

Insert the tip of SST into the lash adjuster plunger and use the tip to press down on the check ball inside the plunger.

SST

09276-75010

Squeeze SST and the lash adjuster together to move the plunger up and down 5 to 6 times.

Check the movement of the plunger and bleed it.

OK:

Plunger moves up and down.

NOTICE:

When bleeding air from the high-pressure chamber, make sure that the tip of SST is actually pressing the check ball as shown in the illustration. If the check ball is not pressed, the high-pressure chamber will not be bled.

After bleeding, remove SST. Then, try to press the plunger quickly and firmly by hand.

OK:

Plunger is very difficult to move.

Install the lash adjusters.

NOTICE:

Install the lash adjuster to the same place it was removed from.

Apply engine oil to the lash adjuster tip and valve stem cap end.

Make sure that the valve rocker arms are installed as shown in the illustration.

Clean the both surfaces of the bearings.

Install the 2 No. 1 camshaft bearings.

Using a vernier caliper, measure the distance between the bearing cap edge and the camshaft bearing edge.

Dimension (A - B):

0.7 mm (0.0276 in.) or less

NOTICE:

Position the bearings to the center of the bearing cap by measuring dimensions A and B.

Check that no foreign matter is on the mesh part of the filter.

Install the oil control valve filter.

NOTICE:

Do not touch the mesh when installing the oil control valve filter.

Clean both surfaces of the bearings.

Install the 2 No. 2 camshaft bearings.

Using a vernier caliper, measure the distance between the bearing cap edge and the camshaft bearing edge.

Dimension (A):

1.05 to 1.75 mm (0.041 to 0.069 in.)

NOTICE:

Position the bearings to the center of the bearing cap by measuring dimension A.

Clean the camshaft journals.

Apply a light coat of engine oil to the camshaft journals, camshaft housings and bearing caps.

Install the No. 2 camshaft to the camshaft housing.

Clean the camshaft journals.

Apply a light coat of engine oil to the camshaft journals, camshaft housing.

Install the camshaft to the camshaft housing.

Apply engine oil to the bearing caps.

Make sure of the marks and numbers on the camshaft bearing caps and place them in each proper position and direction.

HINT:

Make sure that the knock pin of the camshaft is positioned as shown in the illustration.

Tighten the 10 bolts in the order shown in the illustration.

Torque:

16 N*m{163 kgf*cm, 12 ft.*lbf}

Make sure that the valve rocker arms are installed as shown in the illustration.

Apply seal packing in a continuous bead as shown in the illustration.

Seal packing:

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

Bead diameter:

3.5 to 4.0 mm (0.138 to 0.158 in.)

NOTICE:

1. Remove any oil from the contact surface.
   
2. Install the camshaft housing sub-assembly within 3 minutes and tighten the bolts within 15 minutes after applying seal packing.
   
3. Do not start the engine for at least 2 hours after installing.
   

Set the camshaft and No. 2 camshaft as shown in the illustration.

Install the camshaft housing and tighten the 17 bolts in the order shown in the illustration.

Torque:

27 N*m{275 kgf*cm, 20 ft.*lbf}

NOTICE:

1. After installing the camshaft housing, make sure that the cam lobes are positioned as shown in the illustration.
   
2. If any of the bolts are loosened during installation, remove the camshaft housing, clean the installation surfaces, and reapply seal packing.
   
3. If the camshaft housing is removed because any of the bolts are loosened during installation, make sure that the previously applied seal packing does not enter any oil passages.
   
4. After installing the camshaft housing, wipe off any seal packing that seeped out from between the housing and the cylinder head.
   

Check that the knock pin is installed on the camshaft.

Put the camshaft timing gear and camshaft together with the straight pin and key groove misaligned, as shown in the illustration.

NOTICE:

Do not forcefully push in the camshaft timing gear assembly. This may cause the camshaft knock pin tip to damage the installation surface of the camshaft timing gear assembly.

Turn the camshaft timing gear as shown in the illustration while pushing it gently against the camshaft. Push further at the position where the pin fits into the groove.

NOTICE:

Do not turn the camshaft timing gear in the retard direction (clockwise).

Measure the clearance between the gear and the camshaft flange.

Clearance:

0.1 to 0.4 mm (0.004 to 0.016 in.)

Tighten the flange bolt with the camshaft timing gear secured in place.

Torque:

54 N*m{551 kgf*cm, 40 ft.*lbf}

Check that the camshaft timing gear can move in the retard direction (clockwise) and locks in the most retarded position.

Check that the knock pin is installed on the camshaft.

Put the camshaft timing exhaust gear and camshaft together by aligning the key groove and straight pin.

Lightly press the gear against the camshaft, and turn the gear. Push further at the position where the pin enters the groove.

NOTICE:

Be sure not to turn the camshaft timing exhaust gear in the retard direction (clockwise).

Check that there is no clearance between the gear and the camshaft flange.

Tighten the flange bolt with the camshaft timing exhaust gear fixed.

Torque:

54 N*m{551 kgf*cm, 40 ft.*lbf}

Check the camshaft timing exhaust gear lock.

1. Make sure that the camshaft timing exhaust gear is locked.
   

Using a plastic-faced hammer, tap in the 2 crankshaft timing gear keys.

HINT:

Tap in the crankshaft timing gear keys until they contact the crankshaft as shown in the illustration.

Install the sensor plate with the "F" mark facing forward.

Set the crankshaft key as shown in the illustration.

Turn the drive shaft so that the cutout faces the right horizontal position.

Align the yellow mark links with the timing marks of each gear as shown in the illustration.

Install the sprockets onto the crankshaft and oil pump shaft with the chain on the gears.

Temporarily tighten the oil pump drive shaft sprocket with the nut.

Insert the damper spring into the adjusting hole, and then install the chain tensioner plate with the bolt.

Torque:

10 N*m{102 kgf*cm, 7 ft.*lbf}

Align the adjusting hole of the oil pump drive shaft sprocket with the groove of the oil pump.

Insert a 3 mm diameter bar into the adjusting hole of the oil pump drive shaft gear to lock the gear in position, and then tighten the nut.

Torque:

28 N*m{286 kgf*cm, 21 ft.*lbf}

Install the crankshaft timing sprocket.

Install the No. 1 chain vibration damper with the 2 bolts.

Torque:

21 N*m{214 kgf*cm, 16 ft.*lbf}

Install the No. 2 chain vibration damper with the 2 bolts.

Torque:

10 N*m{102 kgf*cm, 7 ft.*lbf}

Check the No. 1 cylinder TDC/compression.

1. Temporarily tighten the crankshaft pulley bolt.
   





2. Turn the crankshaft counterclockwise to position the timing gear key to the top.
   

3. Remove the crankshaft pulley bolt.
   





4. Check the timing marks on each camshaft timing gear.
   

Align the mark plate (orange) with the timing mark of the No. 2 camshaft as shown in the illustration and install the chain.

HINT:

1. Be sure to position the mark plate at the front of the engine.
   
2. The mark plate on the camshaft side is colored orange.
   
3. Do not pass the chain around the sprocket of the camshaft timing gear assembly. Only place it on the sprocket.
   
4. Pass the chain through the No. 1 vibration damper.
   

Place the chain on the crankshaft without passing it around the shaft.

Hold the hexagonal portion of the camshaft with a wrench and turn the camshaft timing gear assembly counterclockwise to align the mark plate (orange) and timing mark.

HINT:

1. Be sure to position the mark plate at the front of the engine.
   
2. The mark plate on the camshaft side is colored orange.
   

Hold the hexagonal portion of the camshaft with a wrench and turn the camshaft timing gear assembly clockwise.

HINT:

To tension the chain, slowly turn the camshaft timing gear assembly clockwise to prevent the chain from being misaligned.

Align the mark plate (yellow) and timing mark and install the chain to the crankshaft timing gear.

HINT:

The mark plate on the crankshaft side is colored yellow.

Recheck each timing mark at TDC/compression.

Install the chain tensioner slipper.

Install the No. 1 generator bracket with the 4 bolts.

Torque:

21 N*m{214 kgf*cm, 16 ft.*lbf}

Install the inlet water housing with the 3 bolts.

Torque:

21 N*m{214 kgf*cm, 16 ft.*lbf}

Using SST, tap in a new oil seal until its surface is flush with the timing gear case edge.

SST

09223-22010

Apply a light coat of MP grease to the lip of the oil seal.

NOTICE:

1. Keep the lip free of foreign matter.
   
2. Do not tap on the oil seal at an angle.
   
3. Make sure that the oil seal edge does not stick out of the timing chain cover.
   

Remove any old packing (FIPG) material and be careful not to drop any oil on the contact surfaces of the timing chain cover sub-assembly, cylinder head, and cylinder block.

Install 3 new O-rings.

Apply seal packing as shown in the illustration.

Seal packing:

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

Seal diameter:

5.0 mm (0.196 in.)

NOTICE:

1. Remove any oil from the contact surfaces.
   
2. Install the chain cover within 3 minutes after applying seal packing.
   
3. Do not start the engine for at least 2 hours after installing the timing chain cover sub-assembly.
   

Apply seal packing to the timing chain cover sub-assembly in a continuous line as shown in the following illustration.

NOTICE:

1. When the contact surfaces are wet, wipe them with oil-free cloth before applying seal packing.
   
2. Install the timing chain cover sub-assembly within 3 minutes and tighten the bolts within 15 minutes after applying seal packing.
   
3. Do not start the engine for at least 2 hours after installing.
   

Apply Seal Packing as Follows:

Area	Seal Packing Diameter	Application Position from Inside Seal Line	Seal Packing
Continuous Line Area	3.0 mm (0.118 in.)	2.5 mm (0.098 in.)	Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent
Dashed Line Area	4.0 mm (0.156 in.)	3.0 mm (0.118 in.)	Toyota Genuine Seal Packing 1282B, Three Bond 1282B or equivalent

Apply adhesive to the threads of the bolt E.

Adhesive:

Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent

Temporarily install the timing chain cover sub-assembly with the 19 bolts.

NOTICE:

1. Remove any oil from the contact surfaces.
   
2. Install the chain cover within 3 minutes after applying seal packing.
   
3. Do not start the engine for at least 2 hours after installing the timing chain cover sub-assembly.
   

Bolt Length:

Item	Length
Bolt A, E	35 mm (1.38 in.)
Bolt B	55 mm (2.16 in.)
Bolt C	80 mm (3.15 in.)
Bolt D	40 mm (1.57 in.)

Install a new gasket.

NOTICE:

Remove any oil from the contact surfaces.

Install the water pump with the 3 bolts.

Torque:

21 N*m{214 kgf*cm, 15 ft.*lbf}

Temporarily install the engine mounting bracket with the 3 bolts.

NOTICE:

1. Install the mounting bracket within 10 minutes after installing the timing chain cover sub-assembly.
   
2. Do not start the engine for at least 2 hours after installation.
   

Bolt Length:

Item	Length
Bolt	80 mm (3.15 in.)

Install 2 new O-rings.

Temporarily install the oil filter bracket with the 4 bolts.

NOTICE:

1. Install the oil filter bracket within 10 minutes after installing the chain cover.
   
2. Do not start the engine for at least 2 hours after installation.
   

Bolt Length:

Item	Length
Bolt	35 mm (1.38 in.)

Fully tighten the timing chain cover sub-assembly with the 26 bolts as shown in the illustration.

Torque:

Bolt A, E:

26 N*m{260 kgf*cm, 19 ft.*lbf}

Bolt B, C:

51 N*m{520 kgf*cm, 37 ft.*lbf}

Bolt D:

10 N*m{102 kgf*cm, 7 ft.*lbf}

NOTICE:

1. When the contact surfaces are wet, wipe them with oil-free cloth before applying seal packing.
   
2. Install the chain cover within 3 minutes and tighten the bolts within 15 minutes after applying the seal packing.
   
3. Do not start the engine for at least 2 hours after installing.
   

Align the pulley set key with the key groove of the pulley.

Using SST, hold the pulley in place and tighten the bolt.

SST

09213-58014(91551-80840)
09330-00021

Torque:

190 N*m{1940 kgf*cm, 140 ft.*lbf}

NOTICE:

Check the SST installation positions when installing them to prevent the SST fixing bolts from coming into contact with the timing chain cover sub-assembly.

Apply adhesive to 2 or 3 threads of the oil pressure switch.

Adhesive:

Toyota Genuine Adhesive 1344, Three Bond 1344 or equivalent

Using a 24 mm deep socket wrench, install the oil pressure switch.

Torque:

15 N*m{153 kgf*cm, 11 ft.*lbf}

NOTICE:

1. Install the oil pressure switch within 3 minutes after applying adhesive.
   
2. Do not start the engine within 1 hour after installation.
   

Install a new gasket to the engine coolant temperature sensor.

Using a 19 mm deep socket wrench, install the temperature sensor.

Torque:

20 N*m{204 kgf*cm, 15 ft.*lbf}

Install the knock control sensor with the bolt.

Torque:

21 N*m{214 kgf*cm, 16 ft.*lbf}

NOTICE:

Make sure that the knock control sensor is in the correct position.

Apply a light coat of engine oil to the O-ring of the sensor.

Install the crankshaft position sensor with the bolt.

Torque:

10 N*m{102 kgf*cm, 7 ft.*lbf}

Release the ratchet pawl, then fully push in the plunger and engage the hook to the pin so that the plunger is in the position shown in the illustration.

NOTICE:

Make sure that the cam engages the first tooth of the plunger to allow the hook to pass over the pin.

Install a new gasket, bracket and No. 1 chain tensioner with the 2 nuts.

Torque:

12 N*m{122 kgf*cm, 9 ft.*lbf}

NOTICE:

If the hook releases the plunger while the chain tensioner is being installed, engage the hook again.

Turn the crankshaft counterclockwise, then disconnect the hook from plunger knock pin.

Turn the crankshaft clockwise, then check that the plunger is extended.

Clean the oil filter cap threads and O-ring groove.

Apply a small amount of engine oil to a new O-ring and install it to the oil filter cap.

NOTICE:

1. Be sure to install the O-ring in the proper location, otherwise oil may leak.
   
2. Do not twist the O-ring.
   

Set a new oil filter element in the oil filter cap.

Remove any dirt or foreign matter from the installation surface and inside of the engine.

Reapply a small amount of engine oil to the O-ring of the oil filter cap assembly. Align the cutout in the oil filter cap threads 90° to the grooves in the oil filter bracket and temporarily tighten the cap.

NOTICE:

Make sure that the O-ring does not get caught between the parts.

Using SST, tighten the oil filter cap assembly.

Torque:

25 N*m{255 kgf*cm, 18 ft.*lbf}

SST

09228-06501

NOTICE:

1. After tightening the oil filter cap assembly, make sure that there is no gap and that the O-ring is not protruding.
   
2. Do not remove the oil filter bracket clip when installing the oil filter cap assembly.
   
3. Do not cross thread the oil filter cap assembly.
   

Install a new gasket to the cylinder head cover.

NOTICE:

Remove any oil from the contact surfaces.

Install 3 new gaskets to the No. 1 camshaft bearing cap.

Apply seal packing as shown the illustration.

Seal packing:

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

NOTICE:

1. Remove any oil from the contact surfaces.
   
2. Install the cylinder head cover within 3 minutes and tighten the bolts within 15 minutes after applying seal packing.
   
3. Do not start the engine for at least 2 hours after the installation.
   

Install the cylinder head cover with a new seal washer and the 13 bolts.

Torque:

10 N*m{102 kgf*cm, 7 ft.*lbf}

Apply a light coat of engine oil to 2 new O-rings, then install them onto the camshaft timing oil control valves.

Install the 2 camshaft timing oil control valves and bracket with the 2 bolts.

Torque:

10 N*m{102 kgf*cm, 7 ft.*lbf}

Apply a light coat of engine oil to the O-rings of the sensors.

Install the 2 sensors with the 2 bolts.

Torque:

10 N*m{102 kgf*cm, 7 ft.*lbf}

Using a 14 mm spark plug wrench, install the 4 spark plugs.

Torque:

20 N*m{204 kgf*cm, 15 ft.*lbf}

Install the 2 engine cover joints.

Torque:

10 N*m{102 kgf*cm, 7 ft.*lbf}

Install the gasket to the cap.

Install the oil filler cap.

Install the 2 engine hangers with the 2 bolts.

Torque:

43 N*m{439 kgf*cm, 32 ft.*lbf}