1991 Lexus LS 400 "coolant fan good working 92" Questions

...fan motor they both work fine what else could the problem be please reply try replacing temp sensor /sender units one located on the head the other in bottom tank of radiator this one i belive is the ...

...coolant temp sensor, fan temp sensor single lead, that's mounted below the thermostat housing, change out from car with fan working the CCRM, also change the wiring to fit 92-93 fan motor pig tail. ...

coolant fans on a 92 coupe deville ok so i have a 92 coupe deville and both of the fans directly behind the rad wont seem to turn on i have checked the 60 amp maxi fuse and it seems fine i also ...

...ruin your engine. i would change thermostat first and then run it till it starts getting hot to see if the fan kicks on. if it doesn't, it could be the coolant sensor or the fan itself. good

...coolant fan comes on when the AC is turned on then you have a bad sensor and you need to replace that. In any case I would not drive it until you figure this out because it will for sure cause engine ...

...coolant is flowing through radiator, check cooling fans to make sure they work when it reaches hot temperature. If it's not flowing, check thermostat to see if it's opening. Sounds as if you have ...

...coolant inside the radiator? Incidentally, some radiator fans work only if and when the A/C compressor is running. Remotely, off cam timing can cause the engine to overheat. Hope this be of initial ...

...coolant circulation compared to a constant flow of antifreeze. I would have it checked. Good luck P.S, I am assuming that your electric fans are working and you have to proper mixture of antifreeze ...

...fan started the same. Is there another sensor I need to locate? It sounds like your fans and sensors are workong like they should. The sensors work on temperature and should signal your fans to turn ...

...fan should turn back off. If it just runs nonstop that's a good indication it's running too hot. Have you checked your coolant level? You should make sure it's full and if not check for any leaks ...