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.
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HOMESERVICE MANUALSSUBARU2005OUTBACK I, STANDARDREPAIR AND DIAGNOSISENGINE MECHANICALCOOLING SYSTEM (MECHANICAL)COOLING SYSTEM (H4SO)RADIATOR CAPINSPECTION
2005 Subaru Outback i, Standard
Radiator Cap: Inspection
2005 Subaru Outback i, StandardSECTION Inspection
- Attach the radiator cap to tester.
- Increase pressure until the tester gauge pointer stops. Radiator cap is functioning properly if it holds the service limit pressure for five to six seconds.
Standard pressure: 93 - 123 kPa (0.95 - 1.25 kg/cm 2 , 14-18 psi)
Service limit pressure: 83 kPa (0.85 kg/cm 2 , 12 psi)
CAUTION:
Be sure to remove foreign matter and rust from the cap in advance, otherwise results of pressure test will be incorrect.
RENDER: 1.0x
NO RELATED
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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.