Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum banner

thermostat rtv

  1. OEM Issues
    So I replaced the thermostat (along with water pump, fan clutch, and coolant temp sensor) and during the job I thought it was curious that the haynes manual didn't mention any gasket for the t-stat housing. I figured the little rubber o-ring was the gasket because the thermostat I bought (gates...
Top