CAUTION / NOTICE / HINT
Note
When replacing the parts in the following chart (A), replace the No. 1 injection pipe sub-assembly, No. 2 injection pipe sub-assembly, No. 3 injection pipe sub-assembly, No. 4 injection pipe sub-assembly and/or fuel inlet pipe sub-assembly with new ones.
| Replaced Parts (A) | Pipes Requiring New Replacement |
|---|---|
|
|
|
Fuel inlet pipe sub-assembly |
After removing the No. 1 injection pipe sub-assembly, No. 2 injection pipe sub-assembly, No. 3 injection pipe sub-assembly, No. 4 injection pipe sub-assembly and fuel inlet pipe sub-assembly, clean them with a brush and compressed air.
PROCEDURE
INSTALL INJECTION PUMP OIL SEAL
Using SST and a hammer, tap in a new injection pump oil seal until its surface is flush with the timing gear cover edge.
Note
Keep the lip free from foreign matter.
Do not tap the supply pump oil seal at an angle.
Apply MP grease to the lip of the injection pump oil seal.
INSTALL FRONT CRANKSHAFT OIL SEAL
Using SST and a hammer, tap in a new front crankshaft oil seal until its surface is flush with the timing gear cover edge.
Note
Keep the lip free from foreign matter.
Do not tap the front crankshaft oil seal at an angle.
Apply MP grease to the lip of the front crankshaft oil seal.
INSTALL REAR ENGINE OIL SEAL
Using SST and a hammer, tap in a new rear engine oil seal until its surface is flush with the rear engine oil seal retainer edge.
Note
Keep the lip free from foreign matter.
Do not tap the rear engine oil seal at an angle.
Apply MP grease to the lip of the rear engine oil seal.
INSTALL REAR ENGINE OIL SEAL RETAINER
Remove any old seal packing (FIPG material) from the cylinder block sub-assembly.
| *a | Seal Packing |
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.) |
Note
After applying seal packing, install the rear engine oil seal retainer within 3 minutes and tighten the bolts within 15 minutes.
Install the rear engine oil seal retainer with the 5 bolts. Alternately tighten the 5 bolts in several passes.
INSTALL TIMING GEAR CASE ASSEMBLY
| *1 | New O-Ring |
Install 2 new O-rings to the cylinder block sub-assembly.
| *1 | New Gasket |
Install a new gasket to the groove of the timing gear case assembly.
Remove any old seal packing (FIPG material).
| *a | Seal Packing |
Apply seal packing to the timing gear case assembly 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.) |
Note
After applying seal packing, install the timing gear case assembly within 3 minutes and tighten the bolts within 15 minutes.
Install the timing gear case assembly to the cylinder block sub-assembly with the union bolt and 8 bolts.
INSTALL OIL STRAINER SUB-ASSEMBLY
Install a new gasket and the oil strainer sub-assembly with the 2 bolts and 2 nuts.
INSTALL OIL PAN SUB-ASSEMBLY
Remove any old seal packing (FIPG material).
Apply seal packing to the oil pan sub-assembly 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.) |
Note
After applying seal packing, install the oil pan sub-assembly within 3 minutes and tighten the bolts and nuts within 15 minutes.
Install the oil pan sub-assembly to the cylinder block sub-assembly with the 22 bolts and 2 nuts.
INSTALL INJECTION GEAR
Install a new O-ring and the fuel supply pump assembly with the 2 nuts.
Temporarily install the injection gear with the nut.
Tech Tips
Fit the key (protrusion) of the fuel supply pump assembly into the key slot of the injection gear.
| *1 | New O-Ring |
Install a new O-ring to the injection gear.
Install the injection gear set nut.
Using SST, tighten the set nut.
INSTALL CRANKSHAFT TIMING GEAR
Position the crankshaft timing gear with the "1" timing marks 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 crankshaft timing gear to install it.
INSTALL NO. 1 IDLE GEAR SHAFT
| *a | Engine Oil |
Apply a coat of engine oil to the No. 1 idle gear shaft.
| *a | Oil Hole |
Install the No. 1 idle gear shaft as shown in the illustration.
INSTALL NO. 2 IDLE SUB GEAR
Using a cloth or equivalent, mount the No. 1 idle gear in a vise as shown in the illustration.
Note
Be careful not to damage the gear.
| *1 | Wave Washer |
| *2 | No. 2 Idle Sub Gear |
| *3 | Gear Spring |
| *4 | Pin |
Install the gear spring.
Install the No. 2 idle sub gear.
Tech Tips
Align the pins on the gears with the spring ends.
Install the wave washer.
Using snap ring pliers, install the snap ring.
| *1 | Service Bolt |
| *2 | No. 1 Idle Gear |
| *3 | No. 2 Idle Sub Gear |
|
Turn |
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 temporarily install a service bolt.
Align the gear teeth of the No. 1 idle gear and No. 2 idle sub gear and tighten the service bolt.
INSTALL NO. 1 IDLE GEAR
| *a | Turn |
Align the "4" and "5" timing marks of the No. 1 idle gear and crankshaft timing gear.
Using SST, turn the injection gear and align the "4" timing marks of the No. 1 idle gear and injection gear, and then mesh the gears.
| *1 | Service Bolt |
Position the idle gear thrust plate with the protrusion facing forward.
Align the bolt holes and install the idle gear thrust plate with the 2 bolts.
Remove the service bolt.
INSTALL NO. 1 CRANKSHAFT POSITION SENSOR PLATE
Align the key groove of the No. 1 crankshaft position sensor plate with the set key.
Install the No. 1 crankshaft position sensor plate to the crankshaft with the cupped side facing outward.
INSTALL TIMING GEAR COVER
Remove any old seal packing (FIPG material).
| *a | Seal Packing |
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.) |
Note
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 assembly.
Install the timing gear cover to the timing gear case assembly with the 14 bolts and 2 nuts.
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.
Install the No. 1 vacuum transmitting pipe with the bolt.
INSTALL ENGINE WATER PUMP ASSEMBLY
Install a new gasket and the engine water pump assembly to the cylinder block sub-assembly with the 5 bolts and 2 nuts.
INSTALL CYLINDER HEAD GASKET
INSTALL CYLINDER HEAD SUB-ASSEMBLY
INSTALL VALVE LIFTER
Install the valve lifters to the cylinder head sub-assembly.
Check that each valve lifter rotates smoothly by hand.
INSTALL CAMSHAFT SUB-ASSEMBLY
INSTALL CYLINDER BLOCK INSULATOR
INSTALL NO. 2 TIMING BELT COVER
INSTALL CAMSHAFT TIMING PULLEY
INSPECT AND ADJUST VALVE CLEARANCE
INSTALL INJECTOR ASSEMBLY
INSPECT FOR FUEL LEAK
INSTALL CYLINDER HEAD COVER SUB-ASSEMBLY
INSTALL OIL FILLER CAP SUB-ASSEMBLY