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Re: Cooling fan turns continuously on and off Posted by REM in Seattle [Email] (#4) [Profile/Gallery] (more from REM in Seattle) on Fri, 10 Aug 2001 13:21:15 In Reply to: Cooling fan turns continuously on and off, Rainer, Fri, 10 Aug 2001 10:52:02 Members do not see ads below this line. - Help Keep This Site Online - Signup |
The NG 900/9-3 uses a two stage (or 2 speed) electric fan for the engine/radiator cooling fan.
The fan will 'turn on' to stage/speed 1 in two instances:
The engine temperature sensor registers a coolant temperature slightly above normal operating temperature, OR the air conditioning (A/C) compressor is engaged.
With a 900SE/9-3SE the Automatic Climate Control (ACC) turns on the A/C often resulting in the fan running often.
The cooling fan will 'turn on' to stage/speed 2 when the engine coolant temperature reaches a temperature significantly higher than normal.
According to the NG900 Haynes manual.
Engine Thermostat Opening temperature - 89C (192F)
Engine Cooling Fan Stage 1 'on' temperature - 100C (212F)
Engine Cooling Fan Stage 2 'on' temperature - 113C (235F)
Engine Cooling Fan will also turn to Stage 1 'on' if the A/C compressor is engaged.
posted by 208.49.24...
_______________________________________ REM in Seattle Current: 2013 Volvo XC60 R-Design, Rebel Blue, 3.0L 6-cyl turbo, Automatic 2024 MINI Cooper S Convertible, 2.0L 4-cyl turbo, 6-speed manual Former: 2005 Saab 9-3 Aero Convertible, Steel Gray metallic, 2.0L 4-cyl turbo, 5-speed 1998 Saab 900SET 5-door, Silver, 2.0L 4-cyl turbo, Automatic 1991 Alfa Romeo Spider convertible, Alfa Red, 2.0L 4-cyl, 5-speed 1984 Saab 900T 3-door, Red, 2.0L 4-cyl turbo, 5-speed
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