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.
2010 Toyota Avalon XLSFACTORY OEM SERVICE PROCEDURE
Throttle Body: Removal: Removal
- DRAIN ENGINE COOLANT . Refer to REPLACEMENT - Step 1
- DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL NOTE:
When disconnecting the cable, some systems need to be initialized after the cable is reconnected. Refer to INITIALIZATION .
- REMOVE V-BANK COVER SUB-ASSEMBLY . Refer to REMOVAL - Step 9
- REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE . Refer to REMOVAL - Step 10
- SEPARATE WATER BY-PASS HOSE
- Disconnect the 2 water by-pass hoses from the throttle w/ motor body assembly.
- REMOVE THROTTLE WITH MOTOR BODY ASSEMBLY
- Disconnect the throttle w/ motor body assembly connector.
- Remove the 4 bolts and throttle w/ motor body assembly from the intake air surge tank.
- Remove the throttle body gasket from the intake air surge tank.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.