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NEED HELP!!!!!

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by KING K5, Jul 17, 2001.

  1. KING K5

    KING K5 1/2 ton status

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    I have an '81 Blazer with 5.7L 350 and my Coolant/water is running/leaking down my passenger side floorboard from the firewall (inside cab) and from the engine compartment it looks like it's leaking from somewhere under my A/C unit which is installed but not wired up so I'm not using it.....what the heck is going on?? Any help is greatly appreciated!
    Thanks,
    Jeff
     
  2. 90blzr

    90blzr 1/2 ton status

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    Sounds like you get to replace the heater core! There is a write-up on how to do it and what it involves on the home page I believe. Here is the link <a target="_blank" href=http://coloradok5.com/heatercore.shtml>http://coloradok5.com/heatercore.shtml</a>

    <P ID="edit"><FONT class="small">Edited by 90blzr on 07/17/01 09:48 PM.</FONT></P>
     
  3. Pugsley

    Pugsley 1/2 ton status

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    I concur - it's heater core time - pugsley.alloffroad.com
     
  4. KING K5

    KING K5 1/2 ton status

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    I got out of my rig tonight after work and walked around to the passenger side and there was coolant/water dripping from right in front of my passenger door and I was all.... what the f@#K?!?! so thanks guys, I appreciate the help!
    Happy Wheelin!
    Jeff
     
  5. mudhog

    mudhog THEGAME Staff Member Super Moderator

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    yes it is your heater core

    77blazer see it at<a target="_blank" href=http://community.webshots.com/user/ssmith6333>http://community.webshots.com/user/ssmith6333</a>
     
  6. Burt4x4

    Burt4x4 3/4 ton status

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    Well I would tell you what it is but sence you flaked on Blazer-Fest I ain't gonna...........heheheh JK it is your heater core!
    You did miss out on a good thing!!!

    72K5[​IMG]Led Zeppelin[​IMG]Rock ON![​IMG]
    <a target="_blank" href=http://www.geocities.com/baja/5099>www.geocities.com/baja/5099</a>
     
  7. KING K5

    KING K5 1/2 ton status

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    believe me Burt4x4, I really wanted to go but unfortunately had some other stuff that I had to take care of :-(
    Hey, another quick question.....if my heater and A/C are not currently wired up is it safe/ok and is there even a way to bypass the heater core until I can get a chance to replace it?
    it's my daily driver and I wouldn't be able to fix it until probably
    this Sunday.....thanks for the help in determining the problem and thanks in advance for any advice/ideas about bypassing it.
    Jeff
     
  8. Burt4x4

    Burt4x4 3/4 ton status

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    I hear ya..Life happens! I was just bustin ya![​IMG]
    I have never done it but I would assume you could take the heater hoses and connect the heater inlet to the heater out let so that the fluid doesn't pass thru your core were the leak is.
    Again I have never done this so just guessing.........

    72K5[​IMG]Led Zeppelin[​IMG]Rock ON![​IMG]
    <a target="_blank" href=http://www.geocities.com/baja/5099>www.geocities.com/baja/5099</a>
     
  9. KING K5

    KING K5 1/2 ton status

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    I was thinking the same thing Steve.....I'll give it a shot and see what happens!! :-)
    Jeff
     
  10. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    You can safely by-pass the heater core...its pretty self explanatory and will buy you some time til you can replace the core itself.

    Rene

    <font color=green>Dyslexics of the world...UNTIE!</font color=green>
     
  11. BowtieBlazer

    BowtieBlazer 1/2 ton status

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    yep have two of my trucks bypassed until the winter...pretty simple just look at it and make sure water is still making a complete flow through the manifold and radiator

    1985 GMC C-10 Shortbed
    1984 Chevy K-5 Blazer
    1982 Chevy C-10 Longbed
     

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