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 Matrix Base, FWD, AutomaticFACTORY OEM SERVICE PROCEDURE
Torque Specification: 1ZZ-FE
TORQUE SPECIFICATION
| Part Tightened | N.m | kgf.cm | ft.lbf |
|---|---|---|---|
| Throttle body idle speed control valve assy to Throttle body assy | 3.7 | 38 | 33 in.lbf |
| E.F.I. Throttle position sensor to Throttle body assy | 2.0 | 20 | 18 in.lbf |
| Accelerator Control cable bracket sub-assy to Throttle body assy | 13 | 133 | 9.6 |
| Throttle body assy to Intake manifold | 30 | 306 | 22 |
| Throttle body bracket to Cylinder head sub-assy | 30 | 306 | 22 |
| Manifold stay No. 2 to Throttle body assy M/T | 13 | 133 | 9.6 |
| Cylinder head cover No. 2 to Cylinder head cover sub-assy | 7.0 | 71 | 62 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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