What temp activates radiator fan?
#1
What temp activates radiator fan?
Recently got a 98 Civic DX replaced the head gasket, radiator because the plastic was pretty much shattered, distributor, etc. I noticed the fan not coming on after idling for quite some time even though the temp gauge was midway or slightly less. I have a cheap obd2 scanner tool and it displayed engine temp around 136*F I have no idea what the temp setting is for the radiator switch to activate..
The fans do work when hard wired directly to the battery. I'm concerned because I'm pretty sure the head gasket and radiator went on the previous owner due to overheating
The fans do work when hard wired directly to the battery. I'm concerned because I'm pretty sure the head gasket and radiator went on the previous owner due to overheating
#2
Re: What temp activates radiator fan?
Bleeding the cooling system may take 20-30 minutes.
1) Park the car on an inclined driveway with the front end higher than the rear.
2) Push/turn the dash heater lever/**** to MAX heat. Fan need not be on.
3) Follow the directions in the diagram below
1) Park the car on an inclined driveway with the front end higher than the rear.
2) Push/turn the dash heater lever/**** to MAX heat. Fan need not be on.
3) Follow the directions in the diagram below
#4
#7
Re: What temp activates radiator fan?
Typically the fan comes on about 205 F or so, most likely at idle if the car is running for awhile, esp stop and go.
The normal operating temp is about 170 degrees, after the thermostat opens.
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#8
#9
Re: What temp activates radiator fan?
#10
Re: What temp activates radiator fan?
The point is that you have posted your personal experience, but there is actually a range of normal temperatures, depending on car and conditions. For example, my engines when warmed up run in the range of 195-204F, depending on the conditions.
#11
Re: What temp activates radiator fan?
Air in the line seems like the most logical explanation. I had this same problem in my GMC Truck. I bled the lines, as the diagram Ron showed, and it worked fine. Another problem could obviously be leaks. If the thermostat isn't stuck(and it's not according to your findings) check all your hoses and also check your water pump. I haven't had the pleasure of changing a water pump on any hondas but it was fairly simple on my truck. Good luck none the less!
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408maro
Honda Civic / Del Sol (1992 - 2000)
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10-19-2010 06:42 PM