2000 Blazer overheating
#12
04-06-2015 | 10:55 AM
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Super Member
Joined: Jul 2012
Posts: 1,542
From: Glen Rock, PA
I haven't had any issues with overheating lately. However my temperature gauge never really gets about 160 - 165 degrees while driving. I decided to check my coolant again on Friday, and as expected it was still a greenish brown color. So on Saturday I drained it, removed the thermostat, filled it with water and prestone flush and drove it all day and then drained it out again. I repeated this yesterday morning and checked it this morning, it is now mostly clear. So I will drive it for a couple more days and fill it with 50/50 water and coolant. I also picked up an AC Delco thermostat. While I had the engine drained I decided to replace the temp sensor since they are fairly cheap. I will post pictures in my build thread.
#13
05-03-2024 | 03:46 PM
Starting Member
Joined: May 2024
Posts: 1
2020 Blazer AWD RS V6VVT
When I got the engine I was pretty sure that it had Dexcool in it, so I flushed it with water, and then ran water in it for about a week. When I drained it earlier today only about half a gallon came out. However, I was on a slight incline. also I noticed that there was coolant all around the radiator cap and it also looks like it had come out of the overflow bottle. I'll work on flushing it this weekend.
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