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.
Throttle Body (2ZZ-GE): Installation
- INSTALL THROTTLE BODY
- Install a new gasket on the intake manifold with the 4 bolts.
Torque: 22 N.m (220 kgf.cm, 16 ft.lbf)
- Install the throttle body with the 4 nuts.
Torque: 22 N.m (220 kgf.cm, 16 ft.lbf)
- Install a new gasket on the intake manifold with the 4 bolts.
- CONNECT 2 WATER BYPASS HOSES
Connect the 2 water bypass hoses with the clips.
- CONNECT PCV HOSE
Connect the PCV hose with the clip.
- INSTALL THROTTLE BRACKET
Install the throttle bracket with the 2 bolts.
- CONNECT THROTTLE BODY WIRE HARNESS CLAMP
Connect the throttle body wire harness clamp with the bolt to the throttle body.
Torque: 5.0 N.m (51 kgf.cm, 44 in..lbf)
- CONNECT THROTTLE BODY CONNECTOR
Connect the throttle body connector.
- INSTALL AIR CLEANER HOSE AND CAP WITH MAF METER
- INSTALL NO.2 CYLINDER HEAD COVER
- FILL RADIATOR WITH ENGINE COOLANT
- CONNECT BATTERY NEGATIVE TERMINAL
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.