oxfordlexusman Posted June 22, 2010 Share Posted June 22, 2010 It's time to change coolant in my 2001 ES300. How do I insure that air packets do not occur within the cooling system? Quote Link to comment Share on other sites More sharing options...
jschunke Posted June 24, 2010 Share Posted June 24, 2010 It's time to change coolant in my 2001 ES300. How do I insure that air packets do not occur within the cooling system? After you top off the coolant, keep the cap off and run the engine for a while. The coolant should drop a bit. Refill. I'd keep the container of coolant in the trunk for safe keeping for a while and fill appropriately. Eli Quote Link to comment Share on other sites More sharing options...
VBdenny Posted July 2, 2010 Share Posted July 2, 2010 Don't forget to run the heater on high while you do that. Quote Link to comment Share on other sites More sharing options...
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