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.
2009 Scion tC AutomaticFACTORY OEM SERVICE PROCEDURE
General Maintenance
- INSPECT DRIVE BELT
- REPLACE SPARK PLUGS (See ON-VEHICLE INSPECTION )
- INSPECT AIR CLEANER FILTER
- Remove the air filter.
- Visually check that the air filter is not excessively damaged or oily. If necessary, replace the air filter.
- Reinstall the air filter.
- Clean the filter with compressed air.
HINT:
First blow from the inside of the filter thoroughly then repeat from the outside.
- REPLACE AIR CLEANER FILTER
- Replace the air filter with a new one.
- REPLACE ENGINE OIL AND OIL FILTER (See OIL AND OIL FILTER )
- REPLACE ENGINE COOLANT (See ON-VEHICLE INSPECTION )
- INSPECT GASKET IN FUEL TANK CAP (See INSPECTION )
- INSPECT FUEL LINES AND CONNECTIONS, FUEL TANK VAPOR VENT SYSTEM HOSES AND FUEL TANK BANDS
- Visually check the fuel lines for cracks, leakage, loose connections, deformation and tank band looseness.
- INSPECT EXHAUST PIPES AND MOUNTINGS
- Visually check the pipes, hangers and connections for severe corrosion, leaks or damage.
- INSPECT VALVE CLEARANCE (See ADJUSTMENT )
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:
- • 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.