Note
When replacing the injectors (including shuffling the injectors between the cylinders), common rail or cylinder head, it is necessary to replace the injection pipes with new ones.
When replacing the fuel supply pump, common rail, cylinder block, cylinder head, cylinder head gasket or timing gear case, it is necessary to replace the fuel inlet pipe with a new one.
REMOVE OIL FILLER CAP SUB-ASSEMBLY
REMOVE NOZZLE HOLDER SEAL
Using a small screwdriver, remove the 4 holder seals by prying between each holder seal and the cutout part of the cylinder head cover.
REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY
Note
If the cylinder head cover is removed, replace the 4 No. 3 cylinder head cover gaskets with new ones.
Remove the 10 bolts, 2 nuts, cylinder head cover and gasket.
Remove the 4 No. 3 cylinder head cover gaskets from the cylinder head cover.
REMOVE INJECTOR ASSEMBLY
| *1 | Union Bolt |
Remove the union bolt, 4 injector hollow screws, 5 gaskets and nozzle leakage pipe.
Note
When removing the nozzle leakage pipe, place a cushion under the pipe.
Be careful not to deform or scratch the union seal surface.
After removing the nozzle leakage pipe, put it in a plastic bag to prevent foreign matter from contaminating its injector inlet.
Remove the 4 bolts, 4 washers, 4 No. 1 nozzle holder clamps and 4 injectors.
Tech Tips
Arrange the injectors, No. 1 nozzle holder clamps, washers and bolts in the correct order.
Remove the O-ring from each injector.
Remove the 4 injection nozzle seats from the cylinder head.
REMOVE CAMSHAFT TIMING PULLEY
Remove the bolt of the camshaft timing pulley while holding the camshaft with a wrench.
Note
Make sure the timing belt is not installed when removing the bolt of camshaft timing pulley.
Remove the camshaft timing pulley.
REMOVE NO. 2 TIMING BELT COVER
Remove the 4 bolts, nuts and No. 2 timing belt cover.
REMOVE CYLINDER BLOCK INSULATOR
Remove the cylinder block insulator from the cylinder head.
REMOVE CAMSHAFT
| *1 | Key Groove |
Turn the camshaft with a wrench so that the key groove of the camshaft faces upward.
Uniformly loosen the 15 bearing cap bolts in several passes in the sequence shown in the illustration.
Remove the 15 bearing cap bolts, 5 bearing caps, oil seal and 2 camshafts.
REMOVE VALVE LIFTER
Remove the valve lifters.
Tech Tips
Arrange the valve lifters in the correct order.
REMOVE CYLINDER HEAD SUB-ASSEMBLY
Uniformly loosen the 18 cylinder head bolts in several passes in the sequence shown in the illustration. Then remove the 18 cylinder head bolts and 18 washers.
Note
Head warpage or cracking could result from removing bolts in the incorrect order.
Remove the cylinder head from the dowels on the cylinder block and place the cylinder head on wooden blocks on a workbench.
Tech Tips
If the cylinder head is difficult to remove, use a screwdriver to pry between the cylinder head and block.
Note
Be careful not to damage the contact surfaces of the cylinder head and cylinder block.
REMOVE CYLINDER HEAD GASKET
REMOVE WATER PUMP ASSEMBLY
Remove the 5 bolts, 2 nuts, water pump and gasket.
REMOVE TIMING GEAR COVER
Note
As the fuel supply pump is not installed, the injection gear is loose inside the timing gear case. Do not allow the injection gear to fall.
Tech Tips
To prevent the injection gear from falling, temporarily install the fuel supply pump.
Remove the 14 bolts and 2 nuts.
Pry the gear cover at the locations shown in the illustration, and remove the gear cover together with the injection gear.
Note
Be careful not to drop the injection gear.
Remove the O-ring from the timing gear case.
REMOVE INJECTION GEAR
Secure the No. 2 idle sub gear to the No. 1 idle gear with a service bolt.
Note
If the bolt hole of the No. 2 idle sub gear is not aligned with the bolt hole of the No. 1 idle gear, rotate the crankshaft counterclockwise to align the bolt holes. Then install the service bolt.
Remove the injection gear.
REMOVE NO. 1 CRANKSHAFT POSITION SENSOR PLATE
Remove the No. 1 crankshaft position sensor plate.
REMOVE CRANKSHAFT TIMING GEAR
Using SST, remove the crankshaft timing gear.
REMOVE IDLE GEAR THRUST PLATE
Remove the 2 bolts and thrust plate.
REMOVE NO. 1 IDLE GEAR
Remove the No. 1 idle gear together with No. 2 idle sub gear.
REMOVE NO. 1 IDLE SUB GEAR
Mount the No. 1 idle gear and No. 2 idle sub gear in a vise.
Note
Be careful not to damage the gears.
| *1 | Service Bolt |
Using SST, turn the No. 1 idle sub gear clockwise and remove the service bolt.
Using snap ring pliers, remove the shaft snap ring.
| *1 | Wave Washer |
| *2 | No. 1 Idle Sub Gear |
| *3 | Idle Gear Spring |
Remove the wave washer, No. 1 idle sub gear and idle gear spring.
REMOVE NO. 2 IDLE SUB GEAR
Turn the No. 1 idle gear over and set it in a vise.
Note
Be careful not a damage the gear.
Using snap ring pliers, remove the shaft snap ring.
| *1 | Wave Washer |
| *2 | No. 2 Idle Sub Gear |
| *3 | Idle Gear Spring |
Remove the wave washer, No. 2 idle sub gear and idle gear spring.
REMOVE NO. 1 IDLE GEAR SHAFT
Remove the idle gear shaft.
REMOVE NO. 2 OIL PAN SUB-ASSEMBLY
Remove the 11 bolts and 2 nuts.
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.
REMOVE OIL STRAINER SUB-ASSEMBLY
Remove the 2 nuts, oil strainer and gasket.
REMOVE OIL PAN SUB-ASSEMBLY
Remove the 22 bolts and 2 nuts.
| *A | LH Side |
| *B | RH Side |
| *1 | Pry |
Using a screwdriver, remove the oil pan by prying between the oil pan and cylinder block as shown in the illustration.
Tech Tips
Tape the screwdriver tip before use.
Note
Be careful not to damage the contact surfaces of the cylinder block and oil pan.
Remove the gasket.
REMOVE TIMING GEAR CASE ASSEMBLY
Remove the union bolt and 8 bolts.
Pry the gear case at the location shown in the illustration, and remove the gear case and gasket.
Remove the 2 O-rings.
INSPECT NO. 1 BALANCESHAFT THRUST CLEARANCE
Using a dial indicator, measure the thrust clearance while moving the No. 1 balanceshaft back and forth.
| Standard thrust clearance |
|---|
| 0.065 to 0.140 mm (0.00256 to 0.00551 in.) |
| Maximum thrust clearance |
|---|
| 0.25 mm (0.00984 in.) |
If the thrust clearance is more than the maximum clearance, replace the balanceshaft thrust washer.
If the thrust clearance would still be more than the maximum clearance, replace the No. 1 baranceshaft sub-assembly.
REMOVE NO. 1 BALANCESHAFT SUB-ASSEMBLY
Remove the 2 bolts and balanceshaft.
REMOVE NO. 1 BALANCESHAFT DRIVEN GEAR
Mount the balanceshaft between aluminum plates in a vise.
Note
Be careful not to damage the balanceshaft.
Remove the bolt, balanceshaft driven gear and balanceshaft thrust washer.
INSPECT NO. 2 BALANCESHAFT THRUST CLEARANCE
Using a dial indicator, measure the thrust clearance while moving the No. 2 balanceshaft back and forth.
| Standard thrust clearance |
|---|
| 0.065 to 0.140 mm (0.00256 to 0.00551 in.) |
| Maximum thrust clearance |
|---|
| 0.25 mm (0.00984 in.) |
If the thrust clearance is more than the maximum clearance, replace the balanceshaft thrust washer.
If the thrust clearance would still be more than the maximum clearance, replace the No. 2 baranceshaft sub-assembly.
REMOVE NO. 2 BALANCESHAFT SUB-ASSEMBLY
Remove the 2 bolts and balanceshaft.
REMOVE NO. 2 BALANCESHAFT DRIVEN GEAR
Mount the balanceshaft between aluminum plates in a vise.
Note
Be careful not to damage the balanceshaft.
Remove the bolt, balance shaft driven gear and balanceshaft thrust washer.
REMOVE REAR ENGINE OIL SEAL RETAINER
Remove the 5 bolts.
Using a screwdriver, remove the oil seal retainer by prying between the oil seal retainer and cylinder block.
REMOVE FRONT CRANKSHAFT OIL SEAL
Using a screwdriver and hammer, tap out the oil seal.
REMOVE SUPPLY PUMP OIL SEAL
Using a screwdriver and hammer, tap out the oil seal.
REMOVE REAR CRANKSHAFT OIL SEAL
Using a screwdriver and hammer, tap out the oil seal.