Last Modified: 11-29-2007 1.6 A
Service Category: Engine/Hybrid System Section: Engine Mechanical
Model Year: 2008 Model: Sequoia Doc ID: RM0000031RS005X
Title: 3UR-FE ENGINE MECHANICAL: ENGINE ASSEMBLY: REMOVAL (2008 Sequoia)

REMOVAL

CAUTION:

Some of these service operations affect the SRS airbag system. Read the precautionary notices concerning the SRS airbag system before servicing SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM: PRECAUTION (2008 Sequoia) .

1. DISCHARGE FUEL SYSTEM PRESSURE 3UR-FE FUEL: FUEL INJECTOR: REMOVAL (2008 Sequoia)+

2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

NOTICE:

When disconnecting the cable some systems need to be initialized after the cable is reconnected INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION (2008 Sequoia) .

3. DRAIN ENGINE OIL 3UR-FE LUBRICATION: OIL AND OIL FILTER: REPLACEMENT (2008 Sequoia)+

4. REMOVE HOOD SUB-ASSEMBLY

(a) Using a screwdriver, release the 2 clips and remove the hood support assembly.

HINT:

Tape the screwdriver tip before use.

CAUTION:

Remove the hood support assembly while supporting the hood by hand.

(b) Remove the 4 bolts and hood.

5. REMOVE WINDSHIELD WIPER MOTOR ASSEMBLY

(a) Remove the windshield wiper motor WIPER / WASHER: FRONT WIPER MOTOR: REMOVAL (2008 Sequoia) .

6. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY

(a) Disconnect the 2 washer hoses.

(b) Remove the 7 bolts and outer panel.

7. REMOVE RADIATOR ASSEMBLY

(a) Remove the radiator assembly 3UR-FE COOLING: RADIATOR: REMOVAL (2008 Sequoia) .

8. REMOVE AUTOMATIC TRANSMISSION ASSEMBLY (for 2WD)

(a) Remove the transmission assembly AB60E AUTOMATIC TRANSMISSION / TRANSAXLE: AUTOMATIC TRANSMISSION ASSEMBLY: REMOVAL (2008 Sequoia) .

9. REMOVE AUTOMATIC TRANSMISSION ASSEMBLY (for 4WD)

(a) Remove the transmission assembly AB60F AUTOMATIC TRANSMISSION / TRANSAXLE: AUTOMATIC TRANSMISSION ASSEMBLY: REMOVAL (2008 Sequoia) .

10. REMOVE AIR CLEANER ASSEMBLY 3UR-FE COOLING: WATER PUMP: REMOVAL (2008 Sequoia)+

11. REMOVE AIR CLEANER HOSE ASSEMBLY 3UR-FE COOLING: WATER PUMP: REMOVAL (2008 Sequoia)+

12. DISCONNECT INLET HEATER WATER HOSE C 3UR-FE LUBRICATION: OIL PUMP: REMOVAL (2008 Sequoia)+

13. DISCONNECT OUTLET HEATER WATER HOSE C 3UR-FE LUBRICATION: OIL PUMP: REMOVAL (2008 Sequoia)+

14. DISCONNECT VACUUM HOSE ASSEMBLY

(a) Disconnect the vacuum hose from the brake booster.

15. REMOVE FUEL VAPOR FEED HOSE ASSEMBLY

(a) Remove the fuel vapor feed hose.

16. DISCONNECT FUEL MAIN AND RETURN HOSE

(a) Remove the fuel pipe clamp.

(b) Disconnect the fuel main and return hoses 3UR-FE FUEL: FUEL SYSTEM: PRECAUTION (2008 Sequoia) .

17. SEPARATE ECM

(a) Disconnect the clamp and ECM connector.

HINT:

Refer to the following procedures to disconnect the ECM connector 3UR-FE ENGINE CONTROL: ECM: REMOVAL (2008 Sequoia)+ .

18. SEPARATE ENGINE WIRE

(a) Disconnect the 4 connectors from the connector holder block.

(b) Remove the nut and connector bracket and disconnect the 2 air pump connectors.

(c) Remove the bolt and disconnect the ground wire.

(d) Disconnect the 2 air injection system hoses.

(e) Remove the nut and disconnect the wire from the positive (+) battery cable.

(f) Disconnect the cable from the positive (+) battery terminal.

(g) Remove the bolt and disconnect the ground wire.

(h) Disconnect the 4 air injection control driver connectors.

(i) Remove the nut and disconnect the wire and 2 clips from the engine room junction block.

(j) Disconnect the 2 connectors and 2 clips from the engine room junction block.

19. DISCONNECT NO. 3 AIR INJECTION SYSTEM HOSE 3UR-FE COOLING: THERMOSTAT: REMOVAL (2008 Sequoia)+

20. DISCONNECT NO. 2 AIR INJECTION SYSTEM HOSE 3UR-FE COOLING: THERMOSTAT: REMOVAL (2008 Sequoia)+

21. SEPARATE COOLER COMPRESSOR ASSEMBLY 3UR-FE LUBRICATION: OIL PUMP: REMOVAL (2008 Sequoia)+

22. REMOVE GENERATOR ASSEMBLY

(a) Remove the generator assembly 3UR-FE BATTERY / CHARGING: GENERATOR: REMOVAL (2008 Sequoia) .

23. REMOVE EXHAUST MANIFOLD

(a) Remove the exhaust manifold 3UR-FE INTAKE / EXHAUST: EXHAUST MANIFOLD: REMOVAL (2008 Sequoia) .

24. REMOVE DRIVE PLATE AND RING GEAR SUB-ASSEMBLY

(a) Using SST, hold the crankshaft.

SST: 09213-70011

09213-70020

SST: 09330-00021

(b) Remove the 10 bolts, rear drive plate spacer, drive plate and crankshaft angle sensor rotor.

25. REMOVE NO. 1 WATER BY-PASS PIPE

(a) Remove the 2 bolts and disconnect the hose, and then remove the water by-pass pipe.

26. REMOVE OIL COOLER TUBE

(a) Remove the bolt and oil cooler tube from the oil pan.

27. REMOVE ENGINE ASSEMBLY

(a) Install the 2 engine hangers with the 2 bolts as shown in the illustration.

Engine Hanger Part No.:

Item

Part No.

Engine hanger

12281-38030, 12281-38060

Bolt

90119-14120, 90119-A0166

Torque: 43 N·m (438 kgf·cm, 32 ft·lbf)

(b) Attach an engine sling device and hang the engine with a chain block.

(c) Remove the 4 engine mounting insulator's bolts.

(d) Lift the engine out from the vehicle slowly and carefully.

NOTICE:

Make sure the engine is clear of all wiring, hoses and cables.

28. INSTALL ENGINE ON ENGINE STAND

(a) Install the engine onto an engine stand with the bolts.

(b) Remove the 2 bolts and 2 engine hangers.