LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

Types of Coolant, couple of related questions...

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Old 06-26-08 | 10:23 AM
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The dealer should have the gallon of coolant for $20 (100% coolant). You can mix it up for a 50/50 ratio and get 2 gallons out of it. Should be enough to flush your cooling system. It's not even worth saving $10 for the green stuff.
Old 07-26-08 | 09:56 PM
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Default just wonder did you fix the temp gauge and how?

Originally Posted by UCF11
oh and never remove a thermostat.

Try a cooler one if you like, it may affect fuel economy and power. If it makes no differance may as well let it be hotter.

Also, Dont know about anyone else, but my temp gauge is halfway when the car is off (cold as a rock) so its on almost max when at normal temp, maybe you might have a dead capacitor giving the gauge false readings.

i have same problem . the temp gauge is 1/4 when car is cold. and it go up faster than normal.
Old 07-27-08 | 03:43 PM
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Originally Posted by UCF11
oh and never remove a thermostat.

Try a cooler one if you like, it may affect fuel economy and power. If it makes no differance may as well let it be hotter.

Also, Dont know about anyone else, but my temp gauge is halfway when the car is off (cold as a rock) so its on almost max when at normal temp, maybe you might have a dead capacitor giving the gauge false readings.
hi, just wonder how did you fix the temp gauge. i have same problem.
Old 07-27-08 | 08:13 PM
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the temp gauge problem is usually a bad capacitor. there is a whole thread about what capacitors that need replacing. that thread is located on the top of the LS400 forum "instrument cluster fix" or something like that.
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