2002 LS430 Coolant Flush
#1
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Join Date: May 2015
Location: Seattle, WA
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2002 LS430 Coolant Flush
Hi Forums,
I am new to this forum, and I have a couple questions. I've been wanting to do a coolant flush on my family's 2002 LS430. Before I do so, I thought I would ask the forums to see where the drain plug/petcock on the radiator or the block. If someone can also post a picture that would be extremely helpful.
P.S. Do I need to keep a perfect 50/50 ratio for the Toyota red coolant/Distilled water?
Thanks,
Oscar
I am new to this forum, and I have a couple questions. I've been wanting to do a coolant flush on my family's 2002 LS430. Before I do so, I thought I would ask the forums to see where the drain plug/petcock on the radiator or the block. If someone can also post a picture that would be extremely helpful.
P.S. Do I need to keep a perfect 50/50 ratio for the Toyota red coolant/Distilled water?
Thanks,
Oscar
#5
Lexus Champion
https://www.clublexus.com/forums/ls4...goes-cold.html
When your heater is off (temperature setting to "low"), the heater water valve is closed and traps some coolant in the heater. In order to completely flush out all your old coolant, you should make sure the heater water valve is fully open (turn on your heater until the heater water valve is fully open, then turn off the engine and confirm that the valve remains open). Then do your flush...
Good catch!
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