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Ding Dang Heater Core

Discussion in '1969-1972 K5 Blazer | Truck | Suburban' started by 3 on the tree, Oct 28, 2006.

  1. 3 on the tree

    3 on the tree 1/2 ton status

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    I would like to meet the subhuman that designed the heating system for 1st gens.
    I am replacing the heater core in my 70 K5. I can understand removing some components in order to remove the heater core, but the inner fender and hood hinge????? All those moron engineers had to do was move the whole box over siix inches and it would fall out. Anyhow, the core was only 35 bucks through NAPA, and it actually fits.
     
  2. vtblazer

    vtblazer 1/2 ton status GMOTM Winner

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    Yep, it's a real P.I.T.A. for sure.

    Been there done that and never again would be to soon.
     
  3. Greg72

    Greg72 "Might As Well..." Staff Member Super Moderator

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    And they never fail until it's about 10 below zero and snowing......or so it seems.

    FUN.
     
  4. IGOR

    IGOR 1/2 ton status Premium Member

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    Hmmm... Maybe this is something I should do now with it all apart...
     
  5. 3 on the tree

    3 on the tree 1/2 ton status

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    Replace the heater core, the squirrel cage and the blower motor all at the same time. You can't even remove the blower motor without moving the hood hinge.:doah: :doah: You might also want to replace the resistor that controls the fan speed, while you have access to it.
     
  6. OrangeCrushK10

    OrangeCrushK10 1/2 ton status

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    Dang, you have to remove the Hood Hinge too?...... I still think my S-10 may be worse. I just did it this last weekend and not only do you have to remove the wheel well, but you basically need to take the dash out. :doah:

    P.I.T.A., I tell ya. The Haynes manual's instructions were an even bigger joke since they failed to mention removing the dash or wheel well.
     
  7. 3 on the tree

    3 on the tree 1/2 ton status

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    Don't have to remove the hinge, just take 2 of 3 bolts out, and rotate forward.:doah:
     
  8. 69TowRig

    69TowRig 1/2 ton status

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    Sweet! Napa carries it! One thing I DON'T have to order! I think you convinced me to finally replace that thing. It has been bypassed for a year and a half!
     

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