Radiator Fan System: Inspection: Notes

2014 Subaru Forester 2.5i, Eng CD FB25BA, Standard TransSECTION Notes
WARNING: This page is about a different variant/trim than selected.
OPERATING CONDITION

Vehicle speed A/C compressor load Engine coolant temperature
Increase: 94°C (201°F) or less
Decrease: 92°C (198°F) or less
Increase: 95 - 99°C (203 - 210°F)
Decrease: 93 - 94°C (199 - 201°F)
Increase: 100°C (212°F) or more
Decrease: 95°C (203°F) or more
Radiator fan operation Radiator fan operation Radiator fan operation
During acceleration: 19 km/h (12 MPH) or less
During deceleration: 10 km/h (6 MPH) or less
OFF OFF Low-Speed High-Speed
Low Low-Speed Low-Speed High-Speed
High High-Speed High-Speed High-Speed
During acceleration: 20 - 69 km/h (12 - 43 MPH)
During deceleration: 11 - 64 km/h (7 - 40 MPH)
OFF OFF Low-Speed High-Speed
Low High-Speed High-Speed High-Speed
High High-Speed High-Speed High-Speed
During acceleration: 70 - 134 km/h (43 - 83 MPH)
During deceleration: 65 - 129 km/h (40 - 80 MPH)
OFF OFF Low-Speed High-Speed
Low OFF(1) Low-Speed(1) High-Speed
High Low-Speed(1) High-Speed High-Speed
During acceleration: 135 km/h (84 MPH) or more
During deceleration: 130 km/h (81 MPH) or more
OFF OFF OFF High-Speed
Low OFF Low-Speed High-Speed
High OFF Low-Speed High-Speed
(1) The fan may run at High-Speed when ambient temperature is high.
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.