Engine Unit Reassembly

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

SST

09518-36030
09950-70010(09951-07100)

Apply MP grease to the lip of the oil seal.

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

SST

09223-15020
09502-12010
09950-70010(09951-07100)

Apply MP grease to the lip of the oil seal.

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

SST

09214-76011

Apply MP grease to the lip of the oil seal.

Remove any old seal packing (FIPG material) from the oil pan and cylinder block.

Apply seal packing to the places shown in the illustration.

Seal packing:

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

Standard seal diameter:

4 mm (0.157 in.)

NOTICE:

After applying seal packing, install the rear engine oil seal retainer within 3 minutes and tighten the bolts within 15 minutes.

Install the retainer with the 5 bolts. Alternately tighten the 5 bolts in several passes.

Torque:

13 N*m{133 kgf*cm, 10 ft.*lbf}

Mount the balanceshaft between aluminum plates in a vise.

NOTICE:

Be careful not to damage the balanceshaft.

Align the balanceshaft knock pin with the knock pin hole. Then install the balanceshaft thrust washer and balanceshaft driven gear.

Install the bolt.

Torque:

36 N*m{367 kgf*cm, 27 ft.*lbf}

Install the balanceshaft with the 2 bolts.

Torque:

13 N*m{133 kgf*cm, 10 ft.*lbf}

Mount the balanceshaft between aluminum plates in a vise.

NOTICE:

Be careful not to damage the balanceshaft.

Align the balanceshaft knock pin with the knock pin hole. Then install the balanceshaft thrust washer and balanceshaft driven gear.

Install the bolt.

Torque:

36 N*m{367 kgf*cm, 27 ft.*lbf}

Install the balanceshaft with the 2 bolts.

Torque:

13 N*m{133 kgf*cm, 10 ft.*lbf}

Remove any old seal packing (FIPG material).

Apply seal packing to the timing gear case as shown in the illustration.

Seal packing:

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

Standard seal diameter:

5 mm (0.197 in.)

NOTICE:

After applying seal packing, install the timing gear case assembly within 3 minutes and tighten the bolts within 15 minutes.

Install a new gasket to the groove of the timing gear case.

Install 2 new O-rings to the cylinder block.

Align the "2" marks of the balanceshaft driven gear No. 1 and oil pump drive gear.

Align the mark on the oil pump drive gear with the mark on the timing gear case.

Install the timing gear case with the union bolt and 8 bolts.

Torque:

for union bolt (A):

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

for bolt:

13 N*m{133 kgf*cm, 10 ft.*lbf}

Remove the screw plug and gasket.

Pour approximately 50 cc (3.05 cu. in.) of engine oil into the oil pump.

Install a new gasket and the screw plug.

Torque:

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

Remove any old seal packing (FIPG material) and be careful not to drop any oil on the contact surfaces of the cylinder block, rear oil seal retainer and oil pan.

Install a new gasket to the cylinder block.

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

Seal packing:

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

Standard seal diameter:

4 mm (0.157 in.)

NOTICE:

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

Install the oil pan with the 22 bolts and 2 nuts.

Torque:

15 N*m{148 kgf*cm, 11 ft.*lbf}

Install a new gasket and the oil strainer with the 2 nuts.

Torque:

8.0 N*m{82 kgf*cm, 71 in.*lbf}

Remove any old seal packing (FIPG material).

Apply seal packing to the No. 2 oil pan as shown in the illustration.

Seal packing:

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

Standard seal diameter:

4 mm (0.157 in.)

NOTICE:

1. Remove any oil from the contact surface.
   
2. Install the No. 2 oil pan within 3 minutes after applying seal packing.
   
3. Do not start the engine for at least 2 hours after installation.
   

Install the No. 2 oil pan with the 13 bolts and 2 nuts.

Torque:

9.0 N*m{92 kgf*cm, 80 in.*lbf}

Position the crankshaft timing gear with timing mark 1 facing forward.

Align the key groove of the crankshaft timing gear with the set key on the crankshaft.

Using SST and a hammer, tap on the timing gear to install it.

SST

09223-00010

Install a new O-ring and the supply pump with the 2 nuts.

Torque:

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

Temporarily install the injection gear with the nut.

HINT:

Fit the key (protrusion) of the supply pump into the key slot of the injection gear.

Align the "3" marks of the balanceshaft driven gear No. 2 and injection gear.

Install a new O-ring to the injection gear.

Install the injection gear set nut.

Using SST, tighten the nut.

SST

09960-10010(09962-01000,09963-01000)

Torque:

64 N*m{653 kgf*cm, 47 ft.*lbf}

Mount the No. 1 idle gear in a vise.

HINT:

Make sure the cutout mark of the idle gear faces down.

NOTICE:

Be careful not to damage the gear.

Install the idle gear spring.

Install the No. 2 idle sub gear.

Install the wave washer.

HINT:

Fit the pins on the gears between the spring ends.

Using snap ring pliers, install the shaft snap ring.

Using SST, align the holes of the No. 1 idle gear and No. 2 idle sub gear by turning the No. 2 idle sub gear clockwise and install a service bolt.

SST

09960-10010(09962-01000,09963-00700)

Remove the No. 1 idle gear from the vise and turn it upside down.

Mount the No. 1 idle gear and No. 2 idle sub gear in a vise.

NOTICE:

Be careful not to damage the gears.

Remove the service bolt.

Install the idle gear spring.

Install the No. 1 idle sub gear.

Install the wave washer.

HINT:

Fit the pins on the gears between the spring ends.

Using a snap ring pliers, install the shaft snap ring.

Using SST, align the holes of the No. 1 idler gear and No. 1 idle sub gear by turning the No. 1 idle sub gear clockwise, and install the service bolt.

SST

09960-10010(09962-01000,09963-00600)

Apply a coat of engine oil to the No. 1 idle gear shaft.

Install the gear shaft as shown in the illustration.

Align the "5" timing marks of the idle gear and crankshaft timing gear.

Using SST, turn the injection gear and align the "4" timing marks of the idle gear and injection gear, and then mesh the gears.

SST

09960-10010(09962-01000,09963-00700)

Position the thrust plate with the protrusion facing forward.

Align the bolt holes and install the thrust plate with the 2 bolts.

Torque:

50 N*m{510 kgf*cm, 37 ft.*lbf}

Remove the service bolt.

Align the key groove of the sensor plate with the set key.

Install the sensor plate with the cupped side facing outward.

Remove any old seal packing (FIPG material).

Apply seal packing to the timing gear cover as shown in the illustration.

Seal packing:

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

Standard seal diameter:

4 mm (0.157 in.)

NOTICE:

After applying seal packing, install the timing gear cover within 3 minutes and tighten the bolts within 15 minutes.

Install a new O-ring to the timing gear case.

Install the timing gear cover with the 14 bolts and 2 nuts.

Torque:

13 N*m{133 kgf*cm, 10 ft.*lbf}

Install a new gasket and the water pump with the 5 bolts and 2 nuts.

Torque:

13 N*m{133 kgf*cm, 10 ft.*lbf}

Find where the piston head protrudes most by slowly turning the crankshaft clockwise and counterclockwise.

Measure the piston protrusion of each cylinder at 2 points as shown in the illustration.

For the piston protrusion value of each cylinder, use the average of the 2 measurements of each cylinder.

Piston protrusion:

0.005 to 0.255 mm (0.000197 to 0.0100 in.)

HINT:

After installing the piston and connecting rod assembly, if the protrusion is not as specified, remove the piston and connecting rod assembly and reinstall them.

Select a new cylinder head gasket.

Text in Illustration

*1	Cutout Mark
	Front

HINT:

New cylinder head gaskets are available in 5 sizes, and are marked A, B, C, D or E.

New Cylinder Head Gasket Thickness:

Mark	Specified Condition
A	0.80 to 0.90 mm (0.0315 to 0.0354 in.)
B	0.85 to 0.95 mm (0.0335 to 0.0374 in.)
C	0.90 to 1.00 mm (0.0354 to 0.0394 in.)
D	0.95 to 1.05 mm (0.0374 to 0.0413 in.)
E	1.00 to 1.10 mm (0.0394 to 0.0433 in.)

1. Select the largest piston protrusion value from the measurements made. Then select a new gasket to the table below.
   
   

   Gasket Size:

   
   

   Item	Specified Condition
   Piston protrusion	0.005 to 0.054 mm (0.000197 to 0.00213 in.)	0.055 to 0.104 mm (0.00217 to 0.00409 in.)	0.105 to 0.154 mm (0.00413 to 0.00606 in.)	0.155 to 0.204 mm (0.00610 to 0.00803 in.)	0.205 to 0.255 mm (0.00807 to 0.0100 in.)
   Use gasket	A	B	C	D	E

Place the cylinder head gasket on the cylinder block.

Text in Illustration

Front

NOTICE:

Make sure the gasket is installed facing the proper direction.

Place the cylinder head on the cylinder head gasket.

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

Install the 18 washers with the 18 cylinder head bolts, and uniformly tighten the bolts, in several passes in the sequence shown in the illustration.

Torque:

85 N*m{867 kgf*cm, 63 ft.*lbf}

Bolt length A:

110 mm (4.33 in.)

Bolt length B:

167 mm (6.57 in.)

Mark the front of each cylinder head bolt with paint.

Further tighten the cylinder head bolts by 90° in the sequence shown in the illustration above.

Tighten the cylinder head bolts by an additional 90°.

Check that the painted marks are now facing rearward.

Install the valve lifter.

Check that the valve lifter rotates smoothly by hand.

Using the crankshaft pulley bolt, set the No. 1 cylinder to 90° BTDC/compression.

HINT:

Set the No. 1 cylinder to 90° BTDC/compression to prevent the top of the piston from hitting against the valve head.

Install the camshaft.

1. Apply MP grease to the thrust portion of the camshaft.
   

2. Place the camshaft on the cylinder head with the key groove facing upward.
   

   Text in Illustration

   *1	Key Groove
   *a	Upward





3. Align the timing marks (1 dot mark) of the camshaft drive and driven main gears, and set the No. 2 camshaft in place.
   

Remove any old seal packing (FIPG material) from the camshaft bearing cap.

Apply seal packing to the specified areas shown in the illustration.

Seal packing:

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

Standard seal diameter:

4 mm (0.157 in.)

NOTICE:

1. Do not allow seal packing to contact the oil passage of the bearing cap.
   
2. After applying seal packing, install the camshaft bearing caps within 3 minutes and tighten the bolts within 15 minutes.
   
3. Do not start the engine for at least 2 hours after installation.
   

1. Install the 5 bearing caps to their proper locations.
   





2. Apply a light coat of engine oil to the threads and under the heads of the bearing cap bolts.
   

3. Install and uniformly tighten the 15 bearing cap bolts in several passes in the sequence shown in the illustration.
   

   Torque:

   19 N*m{194 kgf*cm, 14 ft.*lbf}

Install a new camshaft oil seal.

1. Apply MP grease to the lip of a new oil seal.
   

2. Using SST and a hammer, tap in the oil seal until its surface is flush with the surfaces of the camshaft bearing cap and cylinder head.
   

   SST

   09608-06041
   

Install the cylinder block insulator to the cylinder head.

Apply seal packing (FIPG) to the specified areas shown in the illustration.

Seal packing:

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

NOTICE:

After applying seal packing, install the No. 2 timing belt cover within 3 minutes and tighten the bolts and nut within 15 minutes.

Install the No. 2 timing belt cover with the 4 bolts and nut.

Torque:

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

Install the camshaft timing pulley.

Install the bolt of the camshaft timing pulley while holding the camshaft with a wrench.

Torque:

98 N*m{1000 kgf*cm, 72 ft.*lbf}

Install 4 new injection nozzle seats to the cylinder head.

Apply a small amount of clean engine oil to 4 new O-rings.

Install an O-ring to each injector as shown in the illustration.

Insert the 4 injectors into the cylinder head.

NOTICE:

1. Insert the injector until it touches the injection nozzle seat surface.
   
2. After installing the injector to the cylinder head, the O-ring may prevent the injector from fully seating. If so, pull out the injector and reinstall it.
   
3. Always return an injector to the same place it was removed from.
   

For an injector that has been replaced with a new injector, register the injector compensation code (LandCruiser RM0000012XK0ARX.html).

Temporarily install 4 new washers and the 4 No. 1 nozzle holder clamps with the 4 bolts.

HINT:

Apply a small amount of engine oil to the threads and under the heads of the clamp bolts.

NOTICE:

1. 
   
2. The fork portion of the nozzle holder clamp must be set on the injector.
   
3. Before tightening the bolts, check that the No. 1 nozzle holder clamp is set properly.
   
4. When installing the clamp bolts, first tighten them by hand until they cannot be turned further. Then, tighten the bolts to the specified torque in the following step.
   
5. When tightening the bolts, pay attention so as not to tilt the bolt and the clamp.
   
6. Do not reuse the washer.
   
7. If the nozzle leakage pipe is accidentally tightened beyond the torque specification, it must be replaced.
   

   Text in Illustration

   *1	Nozzle Clamp Holder

Temporarily install the 4 injection pipes with the union nuts.

HINT:

To position the injectors, loosely tighten the union nut.

Check the nozzle leakage pipe. Check that there are no scratches or dents on the 5 union seal surfaces.
If scratches or dents are present, replace the nozzle leakage pipe.

Set the leakage pipe and 5 new gaskets in place.

Apply a small amount of oil to the 4 injector hollow screws and union bolt.

Temporarily install the leakage pipe with the 4 injector hollow screws and union bolt.

Tighten the 4 holder clamp bolts.

Torque:

22 N*m{220 kgf*cm, 16 ft.*lbf}

Tighten the 4 hollow screws in order from 1 to 4.

Torque:

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

NOTICE:

If a hollow screw is accidentally tightened beyond the torque specification, it must be replaced.

Tighten the union bolt.

Torque:

13 N*m{127 kgf*cm, 9 ft.*lbf}

NOTICE:

If the union bolt is accidentally tightened beyond the torque specification, it must be replaced.

Remove the 4 injection pipes.

Check that there are no leaks from any part of the fuel system when the engine is stopped. If there is fuel leakage, repair or replace parts as necessary.

Start the engine and check that there are no leaks from any part of the fuel system. If there is fuel leakage, repair or replace parts as necessary.

Disconnect the return hose from the common rail.

Start the engine and check for fuel leaks from the return pipe.
If there is fuel leakage, replace the common rail.

Connect the intelligent tester to the DLC3.

Start the engine and turn the intelligent tester on.

Select the Fuel Leak test from the Active Test mode on the intelligent tester.

If the intelligent tester is not available, fully depress the accelerator pedal quickly. Increase the engine speed to the maximum and maintain that speed for 2 seconds. Repeat this operation several times.

Check that there are no leaks from any part of the fuel system.

NOTICE:

A return pipe leakage of less than 10 cc (0.6 cu in.) per minute is acceptable.

Reconnect the return hose to the common rail.

Install 4 new No. 3 cylinder head cover gaskets to the cylinder head cover in the directions shown in the illustration.

NOTICE:

1. Do not install the No. 3 cylinder head cover gaskets at an angle.
   
2. Check that there is no foreign matter at the installation location of the No. 3 cylinder head cover gaskets.
   

Remove any old seal packing (FIPG material) from the cylinder head.

Apply seal packing to the areas 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 cylinder head cover within 3 minutes after applying seal packing.
   
3. Do not start the engine for at least 2 hours after installation.
   

Install a new gasket and the cylinder head cover with the 10 bolts and 2 nuts.

Torque:

9.0 N*m{92 kgf*cm, 80 in.*lbf}

Install 4 new nozzle holder seals.