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 Prius FourFACTORY OEM SERVICE PROCEDURE
Service Data
| Oil pressure | at idle speed: 60 kPa (0.6 kgf/cm2
, 8.7 psi) or more at 2500 rpm: 142 kPa (1.4 kgf/cm2 , 21 psi) |
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| Oil pressure switch | Tester Connection 1 - Switch body |
Idling: 10 kΞ© or higher Engine stopped: Below 1 Ξ© |
| Oil pump | Standard tip clearance: 0.08 to 0.16 mm (0.00315 to 0.00631 in.) Maximum tip clearance: 0.35 mm (0.0138 in.) Standard side clearance: 0.085 to 0.135 mm (0.00335 to 0.00532 in.) Maximum side clearance: 0.16 mm (0.00631 in.) Standard body clearance: 0.12 to 0.19 mm (0.00472 to 0.00750 in.) Maximum body clearance: 0.325 mm (0.0128 in.) |
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Factory Service Tools
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:
- 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.