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Heating issue

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Old Oct 10, 2022 | 01:36 AM
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MhdNizarPP's Avatar
MhdNizarPP
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From: Sharkah
Default Heating issue

Hi, i recently bought the ls 430 2003 model with 2 lakh km , after driving one week i noticed that the engine heat is excess, i dont know its normal or not, tbe heat reading is always in half portion and i can feel the heat from engine in accelerator pedal and break pedal, the coolent also evaporating very fast, becaise i cant find any leaks, so i assume its evaporating because engine is too hot. Can anyone give me any advice
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Old Oct 10, 2022 | 07:07 AM
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BigBoomer
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From: ESSEX, UK
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If the temperature gauge is at half-way, that is normal for the LS430.
200,000Km is low for an LS430. My 2004 has 137,000 miles or 220,000km.
I have never felt any heat in my brake or accelerator pedals. Are you sure you don't have the heating set to blow on your feet?

Have you used an infrared thermometer to measure the actual engine temperature?
The coolant will not evaporate unless there is a leak. The cooling system is sealed and it cannot evaporate.
The only other possibility would be that one of the head gaskets has gone and the coolant is leaking into the cylinders.
However, that normally over-pressures the cooling system and causes the radiator cap to open.
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Old Oct 10, 2022 | 08:15 AM
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MhdNizarPP
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From: Sharkah
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Originally Posted by BigBoomer
If the temperature gauge is at half-way, that is normal for the LS430.
200,000Km is low for an LS430. My 2004 has 137,000 miles or 220,000km.
I have never felt any heat in my brake or accelerator pedals. Are you sure you don't have the heating set to blow on your feet?

Have you used an infrared thermometer to measure the actual engine temperature?
The coolant will not evaporate unless there is a leak. The cooling system is sealed and it cannot evaporate.
The only other possibility would be that one of the head gaskets has gone and the coolant is leaking into the cylinders.
However, that normally over-pressures the cooling system and causes the radiator cap to open.

I will check this, i am in UAE, the A/C is not set to legs, and even after 3 hours after halting engine still hot. This is my first vehicle, so i am new at this.
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