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 Matrix FWD L4-1.8L (2ZR-FE)FACTORY OEM SERVICE PROCEDURE
Intake Manifold
INTAKE MANIFOLD
Install the intake manifold and intake manifold stay with the 4 bolts and 2 nuts.
Bolt - Torque 26 Nm (265 kgf-cm, 19 ft-lbf)
Nut - Torque 28 Nm (286 kgf-cm, 21 ft-lbf)

Install the intake manifold and intake manifold stay with the 4 bolts and 2 nuts.
Bolt - Torque 26 Nm (265 kgf-cm, 19 ft-lbf)
Nut - Torque 28 Nm (286 kgf-cm, 21 ft-lbf)
Factory Service Tools
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
