INSTALL ENGINE COOLANT TEMPERATURE SENSOR
Install a new gasket onto the engine coolant temperature sensor.
Install the engine coolant temperature sensor and gasket.
Connect the engine coolant temperature sensor connector.
INSTALL KNOCK CONTROL SENSOR
Install the 2 knock control sensors with the 2 bolts as shown in the illustration.
Note
Make sure that each knock control sensor is in the correct position.
Connect the 2 knock control sensor connectors.
INSTALL KNOCK CONTROL SENSOR WIRE
Connect the 2 clamps, 2 knock control sensor connectors and knock control sensor wire connector.
INSTALL ENGINE OIL PRESSURE SWITCH ASSEMBLY
Clean the threads of the oil pressure switch. Apply adhesive to 2 or 3 threads of the oil pressure switch assembly.
| Adhesive |
|---|
| Toyota Genuine Adhesive 1344, Three Bond 1344 or equivalent |
Using a 24 mm deep socket wrench, install the oil pressure switch.
Note
Do not start the engine within 1 hour after installation to prevent oil leaks.
INSTALL NO. 1 VACUUM SWITCHING VALVE ASSEMBLY
Install the bolt and No. 1 vacuum switching valve.
INSTALL RADIO SETTING CONDENSER
Install the 2 bolts and 2 radio setting condensers.
INSTALL WATER PUMP PULLEY
Temporarily install the water pump pulley with the 4 bolts.
Using SST, hold the water pump pulley.
Tighten the 4 bolts.
INSTALL NO. 2 IDLER PULLEY SUB-ASSEMBLY
Install the idler pulley cover plate, No. 2 idler pulley sub-assembly and No. 2 idler pulley cover plate with the bolt.
INSTALL NO. 2 TIMING GEAR COVER
Install the No. 2 timing gear cover with the 2 bolts.
INSTALL V-RIBBED BELT TENSIONER ASSEMBLY
Temporarily install the V-ribbed belt tensioner assembly with the 5 bolts.
Tech Tips
Each bolt length is as follows:
A: 70 mm (2.76 in.)
B: 33 mm (1.30 in.)
Install the V-ribbed belt tensioner assembly by tightening the bolt 1 and bolt 2 in the order shown in the illustration.
Tighten the other bolts.
INSTALL EXHAUST MANIFOLD SUB-ASSEMBLY LH
Install a new gasket as shown in the illustration.
Install the exhaust manifold sub-assembly LH with the 6 nuts in the order shown in the illustration.
INSTALL NO. 2 EXHAUST MANIFOLD HEAT INSULATOR
Install the No. 2 exhaust manifold heat insulator with the 3 bolts.
INSTALL NO. 2 MANIFOLD STAY
Install the No. 2 manifold stay by tightening the bolt and nut in the order shown in the illustration.
INSTALL NO. 2 ENGINE OIL LEVEL DIPSTICK GUIDE
Install a new O-ring to the No. 2 engine oil level dipstick guide.
Apply a light coat of engine oil to the O-ring.
Push in the No. 2 engine oil level dipstick guide end into the No. 1 engine oil level dipstick guide.
Install the No. 2 engine oil level dipstick guide with the bolt.
Install the engine oil level dipstick.
INSTALL EXHAUST MANIFOLD SUB-ASSEMBLY RH
Install a new gasket as shown in the illustration.
Install the exhaust manifold sub-assembly RH with the 6 nuts in the order shown in the illustration.
INSTALL INTAKE MANIFOLD
Note
DO NOT apply oil to the bolts listed below:
| Tightening Part | ||
|---|---|---|
| Intake Manifold and Cylinder Head Sub-assembly RH | ||
| Intake Manifold and Cylinder Head Sub-assembly LH |
Set a new gasket on each cylinder head.
Note
Align the port holes of the gasket and cylinder head.
Make sure that the gasket is installed in the correct direction.
Set the intake manifold on the cylinder heads.
Install and tighten the 6 bolts and 4 nuts uniformly in several steps.
INSTALL NO. 2 ENGINE MOUNTING STAY RH
Install the No. 2 mounting stay RH with the bolt.
INSTALL IGNITION COIL ASSEMBLY
Install the 6 ignition coils with the 6 bolts.
Connect the 6 ignition coil connectors.
Connect the 3 wire harness clamps.
INSTALL THROTTLE BODY BRACKET
Install the throttle body bracket with the bolt.
INSTALL NO. 1 SURGE TANK STAY
Install the No. 1 surge tank stay with the bolt.
INSTALL INTAKE AIR SURGE TANK ASSEMBLY
| NOTICE | ||||
|---|---|---|---|---|
| DO NOT apply oil to the bolts listed below: | ||||
|
Install 3 new air surge tank to intake manifold gaskets to the intake air surge tank.
Using a 5 mm hexagon socket wrench, install the intake air surge tank assembly with the 4 bolts and 2 nuts.
Install the throttle body bracket and No. 1 surge tank stay with the 2 bolts.
Connect the connector to the intake air control valve assembly.
Connect the 2 water by-pass hoses to the throttle body assembly.
Connect the fuel vapor feed hose to the intake air surge tank assembly.
Connect the throttle body assembly connector and wire harness clamp to the throttle body assembly.
Connect the ventilation hose.
Connect the union to connector tube hose.
INSTALL ENGINE HANGERS
Install the 2 engine hangers with the 4 bolts as shown in the illustration.
| Part No. |
|---|
| No. 1 Engine hanger 12281-31120 |
| No. 2 Engine hanger 12282-31100 |
| Bolts 91671-10825 |
Attach the engine sling device and hang the engine with the chain block.
REMOVE ENGINE STAND