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  1. OEM Issues
    Im going to replace the thermostat (code p0128) and I had a few questions about the parts. The stant thermostat #14659 says 187º on the website and Amazon says 190º. Are these operating temperatures or the temp at which it opens up? I know the truck's correct operating temp is 210º. Would you...
  2. General
    2006 Vortec 4200 with 130,000 miles. I've been smelling Antifreeze emitting from the engine compartment when I exit the Envoy. I had the radiator flushed a month or so ago and it started after that. I decided to stop being lazy and opened the hood today and there seems to be a leak coming from...
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