GM Truck Club
THE PREMIER CHEVY TRUCK & SUV FORUM
Founded in 2004 ~ We're the #1 Chevy Truck & SUV Forum.
Silverado & Sierra | Tahoe & Yukon | Suburban & Yukon XL | SUV & CROSSOVER

Heater core

Discussion in 'Chevy Silverado Forum (GMC Sierra)' started by chaser48, Oct 20, 2011.

  1. chaser48

    chaser48 New Member

    Joined:
    Oct 12, 2011
    Messages:
    5
    Likes Received:
    0
    What can I use to flush out just the heater core with out contamiting the cooling system:idea:
    #1
  2. nos351wcm

    nos351wcm New Member

    Joined:
    Aug 26, 2009
    Messages:
    81
    Likes Received:
    0
    You can use water. Disconnect the two hoses that carry coolant into and out of the heater core. This will ensure you do not contaminate the rest of the cooling system. Hope this helps
    -Dan
    #2

Share This Page