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.
Torque Specifications
1ZZ-FE (FF):
| Part Tightened | N.m | kgf.cm | ft.lbf |
|---|---|---|---|
| Throttle body assy at Intake manifold | 9.0 | 90 | 80 in.lbf |
| Air cleaner hose at Throttle body assy | 2.0 | 20 | 18 in.lbf |
| Battery negative terminal at Battery | 5.4 | 55 | 48 in.lbf |
| Cylinder head cover No. 2 at Cylinder head sub-assy | 7.0 | 71 | 62 in.lbf |
| Accelerator pedal assy at Body | 5.4 | 55 | 48 in.lbf |
1ZZ-FE (4WD):
| Part Tightened | N.m | kgf.cm | ft.lbf |
|---|---|---|---|
| IAC Valve at Throttle body assy | 3.7 | 38 | 33 in.lbf |
| Throttle position sensor at Throttle body assy | 2.0 | 20 | 18 in.lbf |
| Throttle body assy at Accelerator control bracket | 13 | 133 | 9.6 |
| Throttle body assy at Intake manifold | 30 | 306 | 22 |
| Cylinder head cover No. 2 at Cylinder head cover sub-assy | 7.0 | 71 | 62 in.lbf |
| Battery negative terminal at Battery | 5.4 | 55 | 48 in.lbf |
2ZZ-GE:
| Part Tightened | N.m | kgf.cm | ft.lbf |
|---|---|---|---|
| IAC Valve at Throttle body assy | 3.7 | 38 | 33 in.lbf |
| Throttle position sensor at Throttle body assy | 2.0 | 20 | 18 in.lbf |
| Throttle body assy at Intake air surge tank | 22 | 224 | 16 |
| Air cleaner hose No. 1 at Throttle body assy | 2.0 | 20 | 18 in.lbf |
| Cylinder head cover No. 2 at Cylinder head cover sub-assy | 7.0 | 71 | 62 in.lbf |
| Battery negative terminal at Battery | 5.4 | 55 | 48 in.lbf |
1ZZ-FE/2ZZ-GE:
| Part Tightened | N.m | kgf.cm | ft.lbf |
|---|---|---|---|
| ECM Bracket at ECM | 3.2 | 33 | 28 in.lbf |
| ECM Bracket No. 2 at ECM | 3.2 | 33 | 28 in.lbf |
| ECM Bracket No. 3 at ECM | 3.2 | 33 | 28 in.lbf |
| ECM at Blower assy | 3.0 | 31 | 27 in.lbf |
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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