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running hot

Discussion in 'The Garage' started by Brownjoe, Jul 11, 2002.

  1. Brownjoe

    Brownjoe Registered Member

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    Hello to all the knarly K5 owners. I just purchasased an eightyfour K5 with 200,000 plus miles on the original engin and I love it. but it has a problem with overheating. can any one give me some suggestions on how to fix this problem without having to put in a new engine.
     
  2. WakeBoard&4X4er

    WakeBoard&4X4er 1/2 ton status

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    what is the motor, trany, any coolers? some info could help.
     
  3. Brownjoe

    Brownjoe Registered Member

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    the engine is a 350 stock engine, it has a 700r trantie and I am not sure about the coolers but it is equipt with a radiator.
     
  4. KRAZIE87K5

    KRAZIE87K5 1/2 ton status

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    Radiators are always good things for over heating... right? /forums/images/icons/wink.gif /forums/images/icons/tongue.gif

    Check the coolant levels, oil change, tune up, and check the fan clutch... other than that... could be an A/F mixture problem too...

    -Dan
     
  5. Brownjoe

    Brownjoe Registered Member

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    Thanks for that info. as far as I know the levals are all up to par but I am sure it needs a tune up. I am not sure what the A/F mixture problem is. it runs fine until I start to climb up steep grades.
     
  6. WakeBoard&4X4er

    WakeBoard&4X4er 1/2 ton status

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    mine did the same thing about 1.5 ago. i put a new radiator in, cap, thermostat, flushed the block, and o2 sensor. Now pulling a 4000lb boat it does not get over 210.
     
  7. BurbinOR

    BurbinOR 3/4 ton status

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    You can pull the radiator, have it rodded out (cleaned/boiled) for less than $50 usually.............that is worth doing regardless. Also check your thermostat............make sure it's working! Water pump belt tight............etc.
     
  8. muddysub

    muddysub 1 ton suburban status Staff Member Moderator GMOTM Winner

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    ever heard of a clutch fan eliminator? i have one so the fan spins non-stop. my suburban used to over heat really bad, we did that and a new bigger radiator and it's fine now. as a matter of fact i have to block air flow in the winter to make it run well otherwise it doesn't get hot enough.
     
  9. bUrLyBlAzEr89

    bUrLyBlAzEr89 Registered Member

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    if your a really hardcore desert beater and runs cool until you get to the desert on my 350 i drilled holes in the middle of my heads and ran hoses to the neck of my intake and it runs really awesome now i mean in the desert ita hard to get it at 180
     
  10. chulisohombre

    chulisohombre 1/2 ton status

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    i had my radiator done in barstow for 50 bucks.ran about 20 degrees cooler.mine was kinda caked up inside.
     

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