Note
When replacing the injectors (including shuffling the injectors between the cylinders), common rail, intake manifold or cylinder head, it is necessary to replace the injection pipes with new ones.
When replacing the fuel supply pump, common rail, intake manifold or cylinder head, it is necessary to replace the fuel inlet pipe with a new one.
INSTALL FRONT CRANKSHAFT OIL SEAL
| *1 | Oil Seal |
| *2 | Timing Chain Cover |
Using SST and a hammer, tap in a new oil seal until its surface is flush with the timing chain cover edge.
| Standard depth |
|---|
| 0 to 0.6 mm (0 to 0.236 in.) |
Note
Keep the lip of the oil seal free from foreign matter.
Do not tap in the oil seal at an angle.
Apply MP grease to the lip of the oil seal.
Note
Do not allow foreign matter to contact the lip of the oil seal.
Do not allow MP grease to contact the dust seal.
INSTALL STRAIGHT SCREW PLUG
Using a 10 mm socket hexagon wrench, install a new gasket and the straight screw plug.
INSTALL TIMING CHAIN COVER SUB-ASSEMBLY
Install a new gasket and O-ring to the timing chain cover.
Remove any old seal packing material.
Apply seal packing in a continuous line to the timing chain cover as shown in the following illustration.
| Seal packing |
|---|
| Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent |
| Apply Seal Packing as Follows | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Note
Be sure to clean and degrease the contact surfaces, especially the 4 areas indicated by the arrows in the illustration.
When the contact surfaces are wet, wipe them off with an oil-free cloth before applying seal packing.
When applying seal packing to area C - C, apply it in the direction of the white arrows in the illustration.
Install the timing chain cover within 3 minutes and tighten the bolts within 15 minutes after applying seal packing.
Do not start the engine for at least 4 hours after installation.
| *1 | Adhesive |
|
Bolt and New Seal Washer |
Apply adhesive to the 4 bolts labeled B.
| Adhesive |
|---|
| Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent |
Temporarily install the timing chain cover and a new seal washer with the 13 bolts.
| Bolt Length | ||||||||
|---|---|---|---|---|---|---|---|---|
|
Tech Tips
Bolt B and C are identical.
Tighten the 12 bolts labeled B and C.
Tighten the bolt labeled A.
INSTALL CRANKSHAFT PULLEY
Align the keyway of the pulley with the key located on the crankshaft, and then slide the pulley into place to install it.
Using SST, install a new pulley bolt.
INSTALL WATER PUMP ASSEMBLY
Remove the adhesive from the threads of the bolt and the bolt hole of the timing chain cover.
Install a new gasket to the timing chain cover so that the protrusions indicated by the arrows in the illustration are aligned.
| *1 | Adhesive |
Apply adhesive to 2 or 3 threads of the bolt labeled A shown in the illustration.
| Standard Bolt Length | ||||||
|---|---|---|---|---|---|---|
|
| Adhesive |
|---|
| Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent |
Install the water pump with the 2 bolts indicated by the arrows in the illustration.
Install the 5 bolts.
CONNECT CRANKSHAFT POSITION SENSOR WIRE HARNESS
| *1 | Protrusion |
Install the sensor wire harness with the bolt and clip.
Note
Make sure the sensor wire harness is installed in the position shown in the illustration.
INSTALL CAMSHAFT POSITION SENSOR
Apply a light coat of engine oil to the O-ring of the sensor.
Note
Make sure that the O-ring is not cracked or jammed when installing the sensor.
Install the sensor with the bolt.
INSTALL OIL STRAINER SUB-ASSEMBLY
Install a new O-ring to the oil strainer.
Apply a light coat of engine oil to the O-ring.
Install the oil strainer with the 3 bolts.
INSTALL OIL FILTER BRACKET
Install a new gasket to the oil filter bracket.
Install the oil filter bracket with the 4 bolts.
INSTALL OIL FILTER ELEMENT
Clean the inside of the oil filter cap, its threads and its O-ring groove.
Apply a small amount of engine oil to a new O-ring and install it to the oil filter cap.
Set a new oil filter element in the oil filter cap.
Remove any dirt or foreign matter from the installation surface of the engine.
Apply a small amount of engine oil to the O-ring again and temporarily install the oil filter cap.
Using SST, tighten the oil filter cap.
INSTALL NO. 2 OIL PAN SUB-ASSEMBLY
Remove any old seal packing material.
| *a | 4.0 to 7.0 mm |
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 Packing Dimension | ||||||
|---|---|---|---|---|---|---|
|
Note
Remove any oil from the contact surface.
Install the oil pan within 3 minutes and tighten the bolts within 10 minutes after applying seal packing.
Do not start the engine for at least 4 hours after installation.
Install the oil pan with the 18 bolts and 2 nuts.
INSTALL CYLINDER HEAD COVER SUB-ASSEMBLY
Remove any old seal packing material.
Apply seal packing to the cylinder head as shown in the illustration.
| Seal packing |
|---|
| Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent |
| Standard Seal Packing Dimension | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
Install a new cylinder head cover gasket to the cylinder head cover.
Install the cylinder head cover gasket so that the triangle tabs of the cylinder head cover gasket are aligned with the protrusions of the cylinder head cover as shown in the parts of the illustration labeled A and B.
Install the cylinder head cover gasket to the groove of the cylinder head cover moving from C and D in the direction of the black arrows shown in the illustration.
Install the cylinder head cover gasket to the groove of the cylinder head cover moving from C and D towards E as shown by the white arrows in the illustration.
Install the cylinder head gasket to the groove of the cylinder head cover moving from D towards F as shown by the striped arrow in the illustration.
Install the cylinder head cover gasket to the cylinder head cover pins and cutouts as shown in the parts of the illustration labeled G and H.
| *1 | Triangle Tab of Cylinder Head Cover Gasket | *2 | Protrusion of Cylinder Head Cover |
| *3 | Cylinder Head Cover Pin | *4 | Cutout of Cylinder Head Cover |
Note
Make sure that the rib of the cylinder head cover gasket is securely inserted into the groove of the cylinder head cover.
| *a | CORRECT |
| *b | INCORRECT |
|
Rib of Cylinder Head Cover Gasket |
Install the cylinder head cover with the 14 bolts and nut, and tighten the bolts and nut in the order shown in the illustration.
Tech Tips
Partially tighten the bolt indicated by the number 6 in the illustration until the cylinder head cover contacts the cylinder head, and then tighten the bolts and nut in the order shown in the illustration.
INSTALL NOZZLE HOLDER CLAMP SEAT
Install the 4 nozzle holder clamp seats.
INSTALL OIL FILLER CAP SUB-ASSEMBLY
INSTALL VENTILATION HOSE
Tech Tips
The direction of the hose clamp is indicated in the illustration.
| *1 | Paint Mark |
| *a | Upper Side |
| *b | Front Side of Vehicle |
INSTALL VACUUM TRANSMITTING HOSE ASSEMBLY
| *a | CORRECT |
| *b | INCORRECT |
|
Paint Mark |
Attach the 10 clamps to install the 2 vacuum transmitting hoses.
Tech Tips
Make sure that the paint marks of the vacuum transmitting hoses at the locations labeled A in the illustration are aligned as shown in the illustration. Any of the "CORRECT" alignments are acceptable for each location.
Make sure that the paint marks of the vacuum transmitting hoses at the locations labeled B in the illustration are aligned as shown in the illustration. Any of the "CORRECT" alignments are acceptable for each location.
INSTALL VACUUM REGULATING VALVE ASSEMBLY
Install the vacuum regulating valve with the 2 bolts.
Connect the 2 vacuum hoses.
Connect the vacuum regulating valve connector.
INSTALL NO. 1 VACUUM SWITCHING VALVE ASSEMBLY
Using a 4 mm hexagon socket wrench, install the VSV with the 2 bolts.
Connect the 2 vacuum hoses.
Connect the VSV connector.
INSTALL INJECTOR ASSEMBLY
Note
Before installing the injector, check for carbon, foreign matter, etc. on the seal surfaces of the cylinder head and injector. If there is foreign matter, remove it before installing the injector.
Install 4 new nozzle seats to the cylinder head.
| *1 | New O-Ring |
Install a new O-ring to each injector.
Apply a light coat of engine oil to the O-ring on each injector.
Install the 4 injectors to the cylinder head.
Note
Fit the injectors to the nozzle seats.
| *1 | Washer |
Install the nozzle holder clamps and washers as shown in the illustration.
Note
Pay attention to the mounting orientation (beveled edge) of the washer.
Temporarily install the nozzle holder clamp bolts.
Note
When temporarily installing the nozzle holder clamp bolt to the nozzle holder clamp, make sure that the bolt and clamp are not at an angle.
Tech Tips
Apply a light coat of engine oil to the threads of the nozzle holder clamp bolts.
Temporarily install the 4 injection pipes.
Temporarily install the No. 1 leakage pipe and 4 new gaskets with the 4 union bolts and bolt.
Tighten the 4 nozzle holder clamp bolts.
INSTALL NO. 1 NOZZLE LEAKAGE PIPE
Tighten the 4 union bolts.
Tighten the bolt.
INSTALL NO. 2 NOZZLE LEAKAGE PIPE
Temporarily install the No. 2 nozzle leakage pipe and a new gasket with the check valve and bolt.
Tighten the check valve.
Tighten the bolt.
INSTALL NO. 3 FUEL HOSE
INSTALL FUEL TUBE SUB-ASSEMBLY
Temporarily install the fuel tube and 2 new gaskets with the check valve and union bolt.
Tighten the check valve.
Tighten the union bolt.
Connect the fuel tube connector to the injector.
| *1 | Fuel Tube Connector |
| *2 | Injector |
| *3 | Retainer |
| *4 | O-Ring |
Turn the retainer in the direction indicated by the arrow until it makes a "click" sound.
Note
If the fuel tube connector is not inserted to the correct position on the injector, the retainer cannot be turned far enough in the direction of the arrow.
Connect the exhaust fuel addition injector connector.
INSTALL FUEL HOSE PROTECTOR
Install the fuel hose protector with the bolt.
INSTALL WATER INLET HOUSING
Install a new gasket and the inlet housing with the 3 nuts.
INSTALL NO. 4 WATER BY-PASS HOSE
INSTALL NO. 2 WATER BY-PASS PIPE
Install a new O-ring to the No. 2 water by-pass pipe.
Install the No. 2 water by-pass pipe with the 2 bolts.
INSTALL NO. 1 OIL COOLER BRACKET
Apply engine oil to the 2 new O-rings labeled B in the illustration.
Note
Do not apply engine oil to the new O-ring labeled A in the illustration.
Install 3 new O-rings to the oil cooler bracket.
Install the No. 1 oil cooler bracket with the 6 bolts and nut.
INSTALL NO. 1 TURBO OIL PIPE
| *1 | Gasket |
Install the No. 1 turbo oil pipe and 2 new gaskets with the 2 union bolts.
Note
Make sure the gasket of union bolt A contacts the No. 1 turbo oil pipe as shown in the illustration when tightening the union bolt.
INSTALL NO. 3 WATER BY-PASS PIPE
Install a new O-ring to the No. 3 water by-pass pipe.
Install the No. 3 water by-pass pipe with the 2 bolts.
INSTALL NO. 8 WATER BY-PASS HOSE
INSTALL NO. 6 WATER BY-PASS HOSE
INSTALL OIL COOLER ASSEMBLY
Apply engine oil to the 2 new O-rings labeled B in the illustration.
Note
Do not apply engine oil to the new O-ring labeled A in the illustration.
Install 3 new O-rings to the oil cooler bracket.
Install the oil cooler with the 5 bolts.
INSTALL WATER BY-PASS HOSE
Tech Tips
Make sure the claws of hose clamp A are positioned above the paint mark as shown in the illustration.
| *1 | Paint Mark |
| *a | Upper Side |
INSTALL NO. 1 CYLINDER BLOCK INSULATOR
Install the No. 1 cylinder block insulator to the cylinder block.
Note
Be sure to install the oil cooler before installing the No. 1 cylinder block insulator.
INSTALL INTAKE MANIFOLD
Install a new gasket to the cylinder head.
Tech Tips
Install the gasket with the part labeled A facing the right side of the vehicle as shown in the illustration.
| *1 | Nut |
Install the intake manifold with the 7 bolts and 2 nuts.
| Bolt Length | ||||||
|---|---|---|---|---|---|---|
|
INSTALL NO. 2 INTAKE MANIFOLD
Install a new gasket and the No. 2 intake manifold with the bolt and 2 nuts.
INSTALL ENGINE COVER BRACKET
Install the engine cover bracket with the bolt.
INSTALL GAS FILTER BRACKET
Install the gas filter bracket with the 2 bolts.
INSTALL NO. 1 GAS FILTER
| *1 | Protrusion |
| *2 | Groove |
Install the No. 1 gas filter to the gas filter bracket.
Note
Make sure the protrusion of the No. 1 gas filter is aligned with the groove of the gas filter bracket.
Connect the vacuum hose.
INSTALL DIESEL TURBO PRESSURE SENSOR
| *1 | Protrusion |
Install the sensor with the bolt.
Note
Make sure the protrusion of the gas filter bracket is inserted into the hole of the sensor.
Connect the vacuum hose.
INSTALL INTAKE MANIFOLD INSULATOR
Install the intake manifold insulator to the intake manifold.
INSTALL COMMON RAIL ASSEMBLY
Install the common rail with the 2 bolts.
INSTALL NO. 4 FUEL HOSE
INSTALL INJECTION PIPE SUB-ASSEMBLY
Using a 14 mm union nut wrench, tighten the 4 nuts at the common rail end of the injection pipes.
Note
Use the formula to calculate special torque values for situations where a union nut wrench is combined with a torque wrench Click here.
Using a 14 mm union nut wrench, tighten the 4 nuts at the injector end of the injection pipes.
Note
Use the formula to calculate special torque values for situations where a union nut wrench is combined with a torque wrench Click here.
Install the 4 injection pipe clamps with the 2 bolts.
INSTALL FUEL INLET PIPE SUB-ASSEMBLY
Temporarily install the fuel inlet pipe with the 2 clamps and nut.
Using a 14 mm union nut wrench, first tighten the nut at the common rail end of the fuel inlet pipe.
Note
Use the formula to calculate special torque values for situations where a union nut wrench is combined with a torque wrench Click here.
Using a 14 mm union nut wrench, tighten the nut at the supply pump end of the fuel inlet pipe.
Note
Use the formula to calculate special torque values for situations where a union nut wrench is combined with a torque wrench Click here.
Tighten the No. 2 injection pipe clamp nut.
INSTALL ENGINE OIL LEVEL DIPSTICK GUIDE
Install a new O-ring to the engine oil level dipstick guide.
Install the engine oil level dipstick guide with the 2 bolts.
Install the engine oil level dipstick.
INSTALL ELECTRIC EGR CONTROL VALVE ASSEMBLY
| *1 | Protrusion |
Install a new gasket.
Note
Make sure the protrusion of the gasket is facing upward as shown in the illustration.
Install the electric EGR control valve.
INSTALL NO. 2 EGR PIPE SUB-ASSEMBLY
Install a new gasket to the electric EGR control valve.
| *1 | Nut |
Temporarily install the No. 2 EGR pipe with the 3 bolts and 2 nuts.
| Bolt Length | ||||||
|---|---|---|---|---|---|---|
|
Tighten the 2 bolts labeled A shown in the illustration.
Tighten the bolt and 2 nuts labeled B shown in the illustration.
Connect the electric EGR control valve connector.
INSTALL EGR VALVE BRACKET
Install the 2 EGR valve brackets with the 3 bolts.
CONNECT NO. 8 WATER BY-PASS HOSE
INSTALL NO. 7 WATER BY-PASS HOSE
INSTALL DIESEL THROTTLE BODY ASSEMBLY
Install a new gasket and the diesel throttle body with the 2 bolts and 2 nuts.
Connect the No. 6 and No. 7 water by-pass hoses.
INSTALL V-RIBBED BELT TENSIONER ASSEMBLY
Install the V-ribbed belt tensioner with the 3 bolts.
Note
As the heads of the bolts are not as thick as those of typical bolts, be careful not to damage them during installation.
INSTALL ENGINE MOUNTING BRACKET
Temporarily install the engine mounting bracket with the 2 bolts labeled A.
Temporarily install the 2 bolts and 2 nuts labeled B in the illustration.
Tighten the 2 bolts labeled A in the illustration.
Tighten the 2 bolts and 2 nuts labeled B in the illustration.
INSTALL NO. 4 WATER BY-PASS PIPE
Install a new O-ring to the No. 4 water by-pass pipe.
Install the No. 4 water by-pass pipe with the bolt.
INSTALL NO. 2 IDLER PULLEY SUB-ASSEMBLY
| *1 | No. 2 Idler Pulley Cover Plate |
| *2 | No. 2 Idler Pulley |
Install the No. 2 idler pulley and No. 2 idler pulley cover plate with the bolt.
Note
Make sure the No. 2 idler pulley cover plate is facing the direction shown in the illustration.
INSTALL NO. 1 IDLER PULLEY SUB-ASSEMBLY
Install the No. 1 idler pulley with the bolt.
INSTALL IDLER PULLEY COVER PLATE
Install the idler pulley cover plate to the No. 1 idler pulley.
INSTALL VACUUM PUMP ASSEMBLY
Apply a light coat of engine oil to 2 new O-rings.
Install the 2 O-rings to the vacuum pump.
Install the vacuum pump with 3 new bolts.
Connect the vacuum hose.
INSTALL GENERATOR ASSEMBLY
Install the generator with the 3 bolts.
Note
Make sure that the wire harness of the crankshaft position sensor does not get caught between the cylinder block and generator when installing the generator.
Install the wire harness clamp bracket with the bolt.
Connect the generator wire to terminal B with the nut.
Connect the generator connector and attach the clamp.
Install the terminal cap.
CONNECT ENGINE WIRE
Connect the connectors and attach the clamps, and then connect the engine wire to the engine with the bracket bolts.
INSTALL ENGINE ASSEMBLY