INSTALL ENGINE WATER PUMP ASSEMBLY
Install a new water pump gasket and the engine water pump assembly with the 16 bolts.
Note
Make sure that there is no oil on the threads of bolts A.
Be sure to replace 2 bolts C with new ones or reuse them after applying adhesive 1344.
| Adhesive |
|---|
| Toyota Genuine Adhesive 1344, Three Bond 1344 or equivalent |
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 WATER INLET HOUSING
Install 2 new O-rings.
Tech Tips
Apply a small amount of water or soapy water to O-ring (A) shown in the illustration before installation.
Install the 2 stud bolts.
| *1 | Bolt |
| *2 | Nut |
Install the inlet water housing with the 2 bolts and nut.
Note
Be careful that the O-ring does not get caught between the parts.
Connect the No. 1 water by-pass hose.
Apply adhesive around the drain cock.
| Adhesive |
|---|
| Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent |
Install the drain cock assembly to the inlet water housing.
Install the drain cock plug to the drain cock assembly.
Install a new gasket to the thermostat.
Align the thermostat jiggle valve with the upper stud bolt, and insert the thermostat in the inlet water housing.
Tech Tips
The jiggle valve may be set within 10° of either side of the prescribed position.
Install the inlet water with the 2 nuts.
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 NO. 1 FRONT ENGINE MOUNTING BRACKET LH
Install the front No. 1 engine mounting bracket LH with the 6 bolts.
Note
Install the inlet water and mounting bracket within 15 minutes after installing the chain cover.
Do not start the engine for at least 2 hours after installation.
Using an E8 "TORX" socket wrench, install the 2 stud bolts.
INSTALL ENGINE HANGER
| *1 | No. 1 Engine Hanger |
| *2 | No. 2 Engine Hanger |
Install the 2 engine hangers with the 4 bolts as shown in the illustration.
| Item | Part No. |
|---|---|
| No. 1 Engine Hanger | 12281-31120 |
| No. 2 Engine Hanger | 12282-31100 |
| Bolt | 91671-10825 |
Attach the engine sling device and hang the engine with the chain block.
REMOVE ENGINE STAND
INSTALL HYBRID VEHICLE TRANSAXLE ASSEMBLY
Tech Tips