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Chevy Cobalt Thermostat Replacement, Coolant Drain & Refill How-To
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- Опубліковано 16 жов 2022
- This video will show you how to drain the radiator, replace the thermostat, and refill the cooling system on the 2005-2010 Chevy Cobalt. Thermostat and coolant was purchased from Amazon and Walmart I have provided links to them below the distilled water can be found at your local grocery store.
Motorad Thermostat: amzn.to/3TdfUGj
Peak Dexcool Concentrate Coolant: goto.walmart.c...
Distilled Water: goto.walmart.c...
Awesome sauce… that’s pretty easy replace thermostat…. Thank for your video much helpful… God bless brother, sister
For the cobalt the coolant temp gauge is digital you can use the info button but if not you can use a scan tool to bring up the ECT data it should show degree in F
Be sure to tighten the bolts on that housing evenly, in other words try to pull them down at the same time so you do not stress the housing and crack it. It is cast aluminum. Alternate from one side to the other and pull it down tight evenly. Ask me how I know?
Thank man. The video is well done
There’s a water pump drain plug if you want to flush all the old coolant out on the 2.2
Thanks for the tip.
how do u fit your hand down there with all the wires and hoses?
It’s tough but is doable.
Quick question, I was always taught when replacing the coolant, you should use more concentrate than 50/50 mix due to the old coolant being unable to be completely removed from the engine. What are you thoughts ?
That’s only if you flushed the whole system with the hose and tap water because there will still be some water left over in the engine block unless you pull the engine block plugs. Then you would add more coolant to compensate for the water leftover in there but if you just do a drain and refill like I did in the video you can use 50/50.
@@BLUECOLLARGARAGE thank you
I tried the motorad failsafe choice, that locks open upon failure. Problem was, it locked open after 3 months in mid winter. Put old one back in, that I changed just for maintenance. Dumb idea, old one works better than new junk
No issues so far with this one.
@@BLUECOLLARGARAGE is it the fail safe one? Your box looked like the standard one I think. They make standard or their patented fail safe model
@@fredkuhn165 yeah it was just the regular because the fail safe one was at a higher cost.
One more question, which thermostat did you buy? I'm in Canada and most of the thermostats are around $30 but the ACDelco is over $100 I'm trying to find one that doesn't have a rubber seal in the middle as i had to change the thermostat every 2 years because the seal brakes or bends
This is the one I went with amzn.to/3gxTLEz it comes with the new gasket and is the same temp as the original one. It only cost me about $10.
So when you add the antifreeze you put back the cap or do you leave it open for the air bubbles to escape,or how do you bleed the system?
Since there was a no bleeder screw on these cars you can just keep squeezing the upper radiator hose as you filling it to help get some of the air bubbles out. Then once it’s full replace the cap and either drive it around or let it idle until your thermostat opens up and your upper radiator hose is hot to touch. Then shut it off let it cool overnight and top it off the next morning and all your air should be out.
@@BLUECOLLARGARAGE thank you for your reply
@@300bhp did you try it, did it work ? I read you can leave it elevated idling for 15 mean on high heat
Did you Jack the car up in the video? Thanks in advance🙏
Yes you will want to jack up all four corners because the vehicle will need to be level to get an accurate reading on the fluid level.
@@BLUECOLLARGARAGE thank you so much! Actually ended up installing the thermostat last night and it was easier than I thought it was going to be. Later on today I have to get some plumbers tape to put around the temperature sensor threats to ensure no leakage. I'm changing that out as well, as my dashboard isn't displaying the temperature properly, everything worked out better than I thought🙏 thank you so much! My challenge was actually finding a jack point at the front of the car to put the drain pan under, but I found one. I thought it would bend but I had to Google what that portion of the frame looked like just to be safe that I didn't bend any fragile metal😅 but yes everything worked out fine. God bless🙏🙏🙏