Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSTOYOTA2010SIENNA FWD V6-3.5L (2GR-FE)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMSPARK PLUGSERVICE AND REPAIRREMOVAL
2010 Toyota Sienna FWD V6-3.5L (2GR-FE)
Removal
2010 Toyota Sienna FWD V6-3.5L (2GR-FE)SECTION Removal
2GR-FE IGNITION: IGNITION COIL AND SPARK PLUG: REMOVAL
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
2. DRAIN ENGINE COOLANT
3. REMOVE FRONT WIPER ARM HEAD CAP Removal
4. REMOVE FRONT WIPER ARM RH Removal
5. REMOVE FRONT WIPER ARM LH Removal
6. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY Removal
7. REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY Removal
8. REMOVE NO. 1 COWL TOP TO COWL BRACE INNER Removal
9. REMOVE COWL TOP PANEL SUB-ASSEMBLY OUTER FRONT Removal
10. REMOVE NO. 1 ENGINE UNDER COVER
11. REMOVE V-BANK COVER SUB-ASSEMBLY Removal
12. REMOVE AIR CLEANER CAP SUB-ASSEMBLY Removal
13. REMOVE INTAKE AIR SURGE TANK ASSEMBLY Removal
14. REMOVE NO. 1 SURGE TANK STAY
(a) Remove the 2 bolts and nut and disconnect the 2 harness clamps.
(b) Remove the bolt and No. 1 surge tank stay.
15. REMOVE IGNITION COIL ASSEMBLY
(a) Disconnect the 6 ignition coil connectors.
(b) Remove the 6 bolts and 6 ignition coils.
16. REMOVE SPARK PLUG
(a) Remove the 6 spark plugs.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.