Engine running hot, attn ScanGauge ppl!
#21
07-29-2009, 01:14 PM
Something else I've noticed with the fans that seems unusual. The service manual seems to suggest that at below 199*F with a/c on only one fan should run. However, our two 09 Sport Fits both run both fans if you have a/c on when you first start the car (the coolant temp is well below 199*F). Does this happen for others? Maybe a US 'option'?
#22
07-29-2009, 01:25 PM
Something else I've noticed with the fans that seems unusual. The service manual seems to suggest that at below 199*F with a/c on only one fan should run. However, our two 09 Sport Fits both run both fans if you have a/c on when you first start the car (the coolant temp is well below 199*F). Does this happen for others? Maybe a US 'option'?
#23
07-29-2009, 01:29 PM
OK, thanks. On my Fit, under 204*F with no a/c neither fan runs, then at > 204*F they both run (from memory).
#24
07-29-2009, 08:03 PM
I'm pretty sure the thermostat doesn't open until 170F.
I drove my fit from san diego to Utah a couple of weeks ago, and the hottest it got was about 210. that was with ambient temps at over 100, but the car was constantly getting good airflow.
The first time I climbed this one super-steep hill in first, the temp "soared" to 205 and I got so worried, lol.
I drove my fit from san diego to Utah a couple of weeks ago, and the hottest it got was about 210. that was with ambient temps at over 100, but the car was constantly getting good airflow.
The first time I climbed this one super-steep hill in first, the temp "soared" to 205 and I got so worried, lol.
#25
07-29-2009, 09:16 PM
When the car is moving the "ram air" is usually enough to cool the engine. When the A/C is on the radiator and A/C fans operate with the compressor to cool the condenser coil, which also cools the radiator. When you are not moving (with the A/C off) this cooling air flow is eliminated and you rely on the radiator fan to cool the engine. This fan does not come on until the coolant reaches 210*F and cycles off at 200*F. So sitting still temperatures above 200*F are normal. I have never seen mine above 215*F
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