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    1979 Chevy C10 Coolant Leak

    Ok so I replaced the thermostat and the upper hose since that was leaking a bit when I first pressure tested it. I pressure tested again after that and no leaks anywhere. Do I need to burp it or anything to get rid of the air in the system from replacing the hose? I drove it around the block...
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    1979 Chevy C10 Coolant Leak

    Thanks so much for all this! I filled it up while the engine was cool and I filled the expansion tank up about 2/3 of the way, it was definitely past the cool line. When I stopped again after that the expansion tank was still at the same level as when I had filled it earlier and then it drained...
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    1979 Chevy C10 Coolant Leak

    Thanks for all the help! I was looking at replacing the radiator hoses to see if they were leaking and was trying to figure out which ones I needed and saw this on the low side radiator hose. I have no idea what it is so any help would be appreciated!
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    1979 Chevy C10 Coolant Leak

    Unfortunately mine doesn't have the gauge just the light so I have no idea what the actual temperature was
  5. D

    1979 Chevy C10 Coolant Leak

    I just bought a 1979 Chevy C10 with the GM inline six engine and it ran well around town until I drove it for an hour and a half on the highway when I got the temp warning. I pulled over and took a look and there was definitely a coolant leak on the left side of the engine (if you're looking at...

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