runs hot in 20 mins ls400 94
01-07-11, 07:20 PM
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runs hot in 20 mins ls400 94
whats up yall im new to this site and i been reading a week so far and its very useful but i have a problem with my ls400 when i go to start my car the temperture gauge never read cold as soon as i start it in the morning the temp guage starts off in the middle then about 20 mins later it starts to go up pass hot on gauge i bought a new raditor ,coolant temp sensor,fan switch temp sensor , and changed the therstat and also a light on the lower part of the dash comes on looks like a box bottle anyone could help please thanks
01-07-11, 10:15 PM
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you may have a faulty gauge if it is starting off in the middle to begin with. do you have antifreeze flowing through your top hose when car gets warm? Have you replaced the thermostat? what have you done already?
01-08-11, 03:21 AM
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i had the same mishalf once...changed everything except the waterpump. and then out of nowhere i found a small hairline crack on the water outlet...the one you take off to replace the thermostat. my brother had the same problem with his car so i guess its common on ls400 if you havent changed the oem... you can easily find one at autozone for replacement.
01-08-11, 09:44 AM
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The light you're talking about that comes on, is it right side under speedo? (next to the ABS light) If so it's the low coolant light. I would have to agree with shawnlexus and say the gauge is faulty. (why would it start at half way)
I asked this to someone else also, does the engine actually get hot and overheat or is it just the gauge goes all the way to hot?
I asked this to someone else also, does the engine actually get hot and overheat or is it just the gauge goes all the way to hot?
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01-08-11, 02:20 PM
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i have replaced the thermostat already and i have antifreeze flowing through the top hose as well and i changed the coolant temp sensor both of them and the one that goes on the rad if i take out the cluster maybe if i push down the needle it would work right the car has be hit in the front also
01-08-11, 02:23 PM
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The light you're talking about that comes on, is it right side under speedo? (next to the ABS light) If so it's the low coolant light. I would have to agree with shawnlexus and say the gauge is faulty. (why would it start at half way)
I asked this to someone else also, does the engine actually get hot and overheat or is it just the gauge goes all the way to hot?
I asked this to someone else also, does the engine actually get hot and overheat or is it just the gauge goes all the way to hot?
very true i have the car at my friends shop and i left there for like three days it starts off in the middle of cold and hot with not even starting when i do start it it climbs to hot it should be the gauge you are right i bet
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