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.
2012 Toyota 4Runner TrailFACTORY OEM SERVICE PROCEDURE
Throttle Body: Removal: Removal
- REMOVE UPPER RADIATOR SUPPORT SEAL . Refer to REMOVAL - Step 14
- REMOVE FRONT BUMPER COVER LOWER . Refer to REMOVAL - Step 6
- REMOVE NO. 1 ENGINE UNDER COVER SUB-ASSEMBLY . Refer to REMOVAL - Step 7
- DRAIN ENGINE COOLANT . Refer to REPLACEMENT - Step 5
- REMOVE V-BANK COVER . Refer to REMOVAL - Step 6
- REMOVE NO. 1 AIR CLEANER HOSE . Refer to REMOVAL - Step 7
- REMOVE THROTTLE BODY WITH MOTOR ASSEMBLY
- Disconnect the No. 5 water by-pass hose.
- Disconnect the No. 4 water by-pass hose.
- Disconnect the throttle position sensor and throttle control motor connector.
- Remove the 4 bolts, throttle body with motor and gasket.
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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