Coolant Leverl Sensor
#1
Driver School Candidate
Thread Starter
Coolant Leverl Sensor
Is there not a coolant level sensor in the 04 LS 430? A friend's car I worked on had only half a radiator full and nothing in the overflow and nothing ever lit up. I have search Alldata until blue and nothing- so does the car have one and why would it not work (many reasons- I know) and where is it. I would have guessed in the overflow flow tank ( Reservoir ) .
Thanks
Tom in Dallas
04 LS 430, 135,000
Thanks
Tom in Dallas
04 LS 430, 135,000
#2
Lexus Fanatic
I can't say for sure but I doubt it....I purchased my car used, and on day 2, I noticed that I did not have any coolant in the overflow, and the radiator was down. My temp under these circumstances was identical to what they are with a full radiator and overflow. I was a bit worried, but have found the car does not lose a drop of coolant. It must have evaporated over the 10+ years (odd nobody would have checked but the top air piece has to come off to get to it?).....
#3
Driver School Candidate
Thread Starter
I can't say for sure but I doubt it....I purchased my car used, and on day 2, I noticed that I did not have any coolant in the overflow, and the radiator was down. My temp under these circumstances was identical to what they are with a full radiator and overflow. I was a bit worried, but have found the car does not lose a drop of coolant. It must have evaporated over the 10+ years (odd nobody would have checked but the top air piece has to come off to get to it?).....
Thnaks
Tom in Dallas
#4
Well I think John is right. I had the same experience as he did when I picked up my car back in October. No fluid in the expansion tank and the level about 7/8ths full in the radiator. No dash indicator that anything was amiss and temperature reading was always good.
A google search of Lexus LS430 coolant level sensor does not turn up anything other that it appears that the LS400 had some kind of sensor in its expansion tank.
Coolant level is easy enough to check by looking at the expansion tank. Don't even have to remove anything. I do this whenever I check my oil level which is usually every other week or so...
A google search of Lexus LS430 coolant level sensor does not turn up anything other that it appears that the LS400 had some kind of sensor in its expansion tank.
Coolant level is easy enough to check by looking at the expansion tank. Don't even have to remove anything. I do this whenever I check my oil level which is usually every other week or so...
#5
Lexus Champion
Well I think John is right. I had the same experience as he did when I picked up my car back in October. No fluid in the expansion tank and the level about 7/8ths full in the radiator. No dash indicator that anything was amiss and temperature reading was always good.
A google search of Lexus LS430 coolant level sensor does not turn up anything other that it appears that the LS400 had some kind of sensor in its expansion tank.
Coolant level is easy enough to check by looking at the expansion tank. Don't even have to remove anything. I do this whenever I check my oil level which is usually every other week or so...
A google search of Lexus LS430 coolant level sensor does not turn up anything other that it appears that the LS400 had some kind of sensor in its expansion tank.
Coolant level is easy enough to check by looking at the expansion tank. Don't even have to remove anything. I do this whenever I check my oil level which is usually every other week or so...
It was located in overflow tank.. Invaluable when a leak is developing....had a water control valve on a 1993 with undetectable leak...but the coolant sensor would illuminate every few months...finally figured it out. Not sure if any newer Lexus models offer this but it prevents major problems.
Perhaps someone with access could ask Lexus why they eliminated this sensor
#7
Lexus Fanatic
My 335i has a level warning, and a temp warning (the flavors are yellow and red), but no gauge. Personally, I prefer the above. On the 335i, the water pump is electric, and it fails out of nowhere--people drive, they get a yellow warning, and it suddenly goes red, and they're DOA as the car will protect itself. Not sure if this indicates luxury, or what (they might as well have a tow truck icon light up on the dash). The only thing I like about this setup is that you have heat for quite a long time without the motor being on at all. That was slick engineering, no gauge imho was not.... my .02
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