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.
INSPECT VALVE LASH ADJUSTER ASSEMBLY
Note
Keep the lash adjuster free from dirt and foreign objects.
Use only clean engine oil.
Place the lash adjuster into a container full of new engine oil.
Insert SST tip into the lash adjuster plunger and use the tip to press down on the check ball inside the plunger.
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 air.
| OK |
|---|
| Plunger moves up and down. |
Note
When bleeding high-pressure air from the compression 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, air will not bleed.
After bleeding air, remove SST. Then quickly and firmly press the plunger repeatedly with your fingers.
| OK |
|---|
| Plunger can be pressed 3 times. |
If the plunger can still be compressed after pressing it 3 times, replace the lash adjuster with a new one.
INSTALL VALVE LASH ADJUSTER ASSEMBLY
Install the 16 valve lash adjusters.
Note
Install the lash adjusters to their original positions.
INSTALL NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY
Install the 16 rocker arms to the lash adjusters.
INSTALL CAMSHAFT
Install the No. 2 bearing cap.
Apply clean engine oil to the cam of each camshaft, journals of the cylinder head and valve rocker arms.
Place the No. 2 camshaft on the camshaft carrier as shown in the illustration so that the No. 1 and No. 3 cylinder cam lobes face upward.
Note
Before and after setting the camshaft and No. 2 camshaft on the engine, check that the rocker arm is firmly set to the lash adjuster.
| *1 | Rocker Arm |
| *2 | Valve Stem |
| *3 | Lash Adjuster |
| *1 | Dot Mark |
Align the camshaft and No. 2 camshaft timing mark (1 dot mark each).
Place the camshaft on the camshaft carrier.
Set the camshaft bearing caps on the camshafts as shown in the illustration.
Tech Tips
Make sure of the marks and numbers on the camshaft bearing caps and place them in the proper position and direction.
Set the oil delivery pipes on the camshaft bearing caps.
| *1 | Union Bolt |
Temporarily install the 2 union bolts and 20 bolts.
Uniformly tighten the bolts in several steps, in the sequence shown in the illustration.
Tighten the 2 union bolts.
INSTALL CAMSHAFT TIMING SPROCKET
| *1 | Straight Pin |
| *2 | Timing Mark |
| *3 | Yellow Paint Mark |
Install the crankshaft timing sprocket and camshaft timing sprocket to the chain so that the timing marks of the sprockets and paint marks of the chain are aligned.
Install the camshaft timing sprocket to the No. 2 camshaft by fitting the straight pin of the No. 2 camshaft into the hole on the camshaft timing sprocket.
Install the crankshaft timing sprocket to the crankshaft.
While holding the hexagon portion of the No. 2 camshaft, install and uniformly tighten the 4 bolts of the No. 2 camshaft.
INSTALL OIL PUMP DRIVE GEAR
Install the oil pump drive gear to the crankshaft.
INSTALL NO. 1 CHAIN VIBRATION DAMPER
Install the No. 1 chain vibration damper with the 2 bolts.
INSTALL CHAIN TENSIONER SLIPPER
Install the chain tensioner slipper.
INSTALL NO. 1 CHAIN TENSIONER ASSEMBLY
| *1 | Plunger |
| *2 | Stopper Plate |
Move the stopper plate upward to release the lock, and push the plunger deep into the tensioner.
Move the stopper plate downward to set the lock, and insert SST into the stopper plate hole.
Install the chain tensioner with the 2 bolts.
Remove SST.
INSTALL SUPPLY PUMP ASSEMBLY
Install a new O-ring to the supply pump.
Install the supply pump drive coupling.
Tech Tips
Line up the coupling with the groove in the camshaft end.
Note
When reusing the coupling, it must be installed in the same orientation (top/bottom, front/back) as when it was removed,
Install the supply pump with the 2 bolts.
Tech Tips
Line up the end of the supply pump drive shaft with the supply pump drive coupling.
Note
Apply engine oil to the O-ring of the supply pump.
INSTALL TIMING CHAIN COVER SUB-ASSEMBLY
| *1 | Gasket |
| *2 | O-Ring |
Install a new gasket and new 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 |
| *2 | 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, then slide the pulley into place to install it.
Using SST, install the pulley bolt.
INSTALL WATER PUMP ASSEMBLY
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.
| *1 | New Oil Filter Element |
| *2 | New O-Ring |
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.
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 installing.
| *1 | Nut |
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 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| *1 | Cylinder Head Cover Gasket |
| *2 | No. 2 Cylinder Head Cover Gasket |
Install a new cylinder head cover gasket and new No. 2 cylinder head cover gasket to the cylinder head cover.
Note
Make sure the gaskets are not twisted and are not improperly seated on the cylinder head cover.
| *1 | Bolt |
| *2 | Nozzle Holder Clamp Seat |
| *3 | Nut |
Install the cylinder head cover with the 4 nozzle holder clamp seats, 14 bolts and nut.
INSTALL OIL FILLER CAP SUB-ASSEMBLY
INSTALL VENTILATION HOSE
Tech Tips
The direction of the hose clamp is indicated in the illustration.
INSTALL VACUUM SWITCHING VALVE BRACKET
Install the vacuum switching valve bracket with the 5 bolts.
Connect the 2 vacuum hoses.
INSTALL NO. 1 VACUUM TRANSMITTING PIPE SUB-ASSEMBLY
Install the No. 1 vacuum transmitting pipe with the bolt.
Connect the 2 vacuum hoses.
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-rings 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 attaching the nozzle holder clamp and the nozzle holder clamp bolt, be careful not to position them at an angle.
Tech Tips
Apply a light coat of engine oil on the threads of the nozzle holder clamp bolts.
Temporarily install the 4 injection pipes.
Temporarily install the No. 1 leakage pipe with 4 new gaskets, 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
| *1 | Check Valve |
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 NO. 2 FUEL PIPE (for CCo)
| *1 | Check Valve |
Temporarily install the fuel pipe and 2 new gaskets with the check valve and union bolt.
Tighten the check valve.
Tighten the union bolt.
INSTALL FUEL TUBE SUB-ASSEMBLY (for DPF)
| *1 | Check Valve |
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 (for DPF)
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 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.
| *1 | Nut |
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
Apply soapy water to a new O-ring and install it 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.
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.
Connect the connector and attach the wire harness clamp to the engine oil level dipstick guide.
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.
| *1 | No. 6 Water By-pass Hose |
| *2 | No. 7 Water By-pass Hose |
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
Install the idler pulley cover plate to the No. 1 idler pulley.
INSTALL GENERATOR ASSEMBLY
Install the generator with the 3 bolts.
CONNECT ENGINE WIRE
Connect the connectors and clamps, and then connect the engine wire to the engine with the bracket bolts.
INSTALL ENGINE ASSEMBLY
Install the engine assembly Click here.
CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
Note
When disconnecting the cable, some systems need to be initialized after the cable is reconnected Click here.