Coolant level question
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Lead Lap
Joined: Apr 2004
Posts: 3,566
Likes: 49
From: Illinois
Thanks for all of your help. I just added a bit of coolant to the reservoir. It is now about a half an inch above the low line when cool. I also misunderstood the point of the reservoir. For some reason, I thought that the coolant would drain out the bottom of the reservoir and into the radiator when needed. I didn’t realize that it actually gets sucked out through the top.
and for what it’s worth, I just took a five hour round-trip road trip on Friday. I watched the temperature needle very carefully, and it never budged from right in the middle.
and for what it’s worth, I just took a five hour round-trip road trip on Friday. I watched the temperature needle very carefully, and it never budged from right in the middle.
Lexus Fanatic
Joined: Sep 2010
Posts: 26,191
Likes: 4,380
From: Alberta
A good tell to see if coolant level is okay is if you have proper heat. If you ever hear a "rushing" sound inside the car you have a leak.
Reservoir has only one job, buffer coolant as it expands and contracts (about 2% volume change from cold to operating temp). The radiator cap is what allows the back and forth based on temperature.
Reservoir has only one job, buffer coolant as it expands and contracts (about 2% volume change from cold to operating temp). The radiator cap is what allows the back and forth based on temperature.
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