I've got a 2000 Tahoe Limited and have been losing radiator fluid. It looks like its coming from the front passenger firewall which would probably be the heater core. It hasnt leaked inside. How hard is this to replace or how much is this gonna cost to fix?

 

Change your radiator as soon as possible. It's not worth fixing, other
cracks and fractures will occur. I overheated my engine, and ended up
having to rebuild it later. I tried fixing it first, removing the radiator,
taking it to a radiator shop, reinstall it, then have more leaks later. At
$40 per service, it was cheaper to replace the radiator.

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