Last Modified: 11-29-2007 1.6 A
Service Category: Engine/Hybrid System Section: Engine Control
Model Year: 2008 Model: Sequoia Doc ID: RM000002I5A004X
Title: 2UZ-FE ENGINE CONTROL: IGNITION COIL AND SPARK PLUG: REMOVAL (2008 Sequoia)

REMOVAL

1. REMOVE THROTTLE BODY COVER ASSEMBLY 2UZ-FE ENGINE CONTROL: THROTTLE BODY: REMOVAL (2008 Sequoia)+

2. REMOVE AIR CLEANER HOSE ASSEMBLY 2UZ-FE ENGINE CONTROL: THROTTLE BODY: REMOVAL (2008 Sequoia)+

3. REMOVE FRONT FENDER APRON SEAL LH 2UZ-FE EMISSION CONTROL: AIR SWITCHING VALVE: REMOVAL (2008 Sequoia)+

4. REMOVE NO. 2 AIR HOSE 2UZ-FE EMISSION CONTROL: AIR SWITCHING VALVE: REMOVAL (2008 Sequoia)+

5. REMOVE NO. 3 AIR TUBE 2UZ-FE EMISSION CONTROL: AIR SWITCHING VALVE: REMOVAL (2008 Sequoia)+

6. REMOVE AIR SWITCHING VALVE ASSEMBLY (for Bank 1) 2UZ-FE EMISSION CONTROL: AIR SWITCHING VALVE: REMOVAL (2008 Sequoia)+

7. REMOVE FRONT FENDER APRON SEAL RH 2UZ-FE EMISSION CONTROL: AIR SWITCHING VALVE: REMOVAL (2008 Sequoia)+

8. DISCONNECT NO. 1 WATER BY-PASS PIPE 2UZ-FE EMISSION CONTROL: AIR SWITCHING VALVE: REMOVAL (2008 Sequoia)+

9. DISCONNECT NO. 2 AIR INJECTION SYSTEM HOSE 2UZ-FE EMISSION CONTROL: AIR SWITCHING VALVE: REMOVAL (2008 Sequoia)+

10. REMOVE NO. 2 AIR TUBE 2UZ-FE EMISSION CONTROL: AIR SWITCHING VALVE: REMOVAL (2008 Sequoia)+

11. REMOVE AIR SWITCHING VALVE ASSEMBLY (for Bank 2) 2UZ-FE EMISSION CONTROL: AIR SWITCHING VALVE: REMOVAL (2008 Sequoia)+

12. REMOVE IGNITION COIL ASSEMBLY


(a) Disconnect the 8 ignition coil assembly connectors.

(b) Remove the 8 bolts and pull out the 8 ignition coil assemblies.

13. REMOVE SPARK PLUG

(a) Using a 16 mm plug wrench, remove the 8 spark plugs.