Blend Door

Discussion in 'General Chevy & GM Tech Questions' started by Blazerado, Jan 24, 2011.

  1. Blazerado

    Blazerado Rockstar 100 Posts

    Where is the blend door located on a 1991 Chevy Silverado standard cab with electronic heater control. Problem is i have heat when sitting still but when truck is pulled outside it turns cold and gets colder as i drive down the road.
     

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