my 2000 acura rl stared over heating its not leaking my fans wont come on an i cant figure out which one of my relays go to my fan an my owners manuel dont say

Michael Young

Asked by Dec 15, 2013 at 10:54 PM about the 2000 Acura RL 3.5L

Question type: Maintenance & Repair

3 Answers


are you sure you dont have a stuck thermostat? try (when the vehicle is cold) start your vehicle and wait for to top rad hose to get warm ( keep an eye on your temp) when your top rad gets warm/hot then reach down to your bottom hose. if it is cold then you have a thermostat stuck closed. alot of computers have 2 temperature signals. one from the block that sends to your temp guage. and another from your thermostat housing that goes to the ecm and tells it to turn your fans on. if that second sensor is below the thermostat then it will tell the ecm it is cold when really it is overheating. had this issue on my chevy. something to try. if you bottom rad hose doesn't warm up then its your thermostat ( 5-10 bucks usually)

Jeremy Johnson

Im having the same problem with my 1997 rl , I tryed 2 new thermostats with no luck. Still over heating and bottom hose is still cold.

1 out of 1 people think this is helpful.

I was having a similar issue where my 2000 Acura RL was over heating. I Since I had changed the thermostat about a month ago I wanted to rule it out. But just to be sure I removed the thermostat and ran w/o it. Car still over heated. I then disconnected the radiator fan connectors and ran a positve and negative wire from the battery to the fan connectors. Both fans came on. I looked up the cooling system on my phone and ran across the temperature sensor. Luckily I was troubleshooting this in front of a autozone. I replaced the temp sensor and 5 minutes later I was back on the road. My Acura has not overheated since. Here is a good video on how to replace a temp sensor. Good Luck!!

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