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.
2004 Toyota Highlander Limited, FWDFACTORY OEM SERVICE PROCEDURE
Torque Specifications: 2AZ-FE
2AZ-FE ENGINE CONTROL SYSTEM TORQUE SPECIFICATIONS
| Part Tightened | N.m | kgf.cm | ft.lbf |
|---|---|---|---|
| Throttle body assy at Intake manifold | 30 | 305 | 22 |
| Knock sensor at Cylinder block sub-assy | 20 | 199 | 14 |
| Intake manifold at Cylinder head sub-assy | 30 | 305 | 22 |
| ECM at Instrument panel reinforcement | 5.5 | 56 | 49 in.lbf |
| ECM at Blower assy | 5.5 | 56 | 49 in.lbf |
| Accelerator pedal rod assy at Body | 4.9 | 50 | 43 in.lbf |
Factory Service Tools
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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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