over heating

Discussion in 'General Maverick/Comet' started by wolfheads, Jul 20, 2014.

  1. wolfheads

    wolfheads MadMav

    Joined:
    Jul 12, 2007
    Messages:
    349
    Likes Received:
    11
    Trophy Points:
    76
    Location:
    Florida
    Vehicle:
    73 Maverick / 2000 Harley Low Rider
    Ok, I've replaced the radiator, water pump, and all the hoses. It still wants to overheat. Not right off like the thermostat is stuck or it's low on coolant, which is not the case. It's more like a flow restriction.
     
  2. grbmaverickmo

    grbmaverickmo That Maverick Guy

    Joined:
    Oct 8, 2004
    Messages:
    1,255
    Likes Received:
    16
    Trophy Points:
    112
    Location:
    Aquashicola, PA
    Vehicle:
    70 grabber.71 4dr v-8 stick.72 Sprint
    Do you have a spring in the lower rad hose to keep it from collapsing while driving? I had that happen. The new hose didn`t have a spring inside so I used the spring out of the old hose
     
  3. wolfheads

    wolfheads MadMav

    Joined:
    Jul 12, 2007
    Messages:
    349
    Likes Received:
    11
    Trophy Points:
    76
    Location:
    Florida
    Vehicle:
    73 Maverick / 2000 Harley Low Rider
    The spring from the old hoses were completely rusted to pieces, so re-using them wasn't an option, besides, the hoses haven't collapsed.
     
  4. Rasit

    Rasit Member

    Joined:
    May 21, 2013
    Messages:
    411
    Likes Received:
    84
    Trophy Points:
    113
    Location:
    SE Pennsylvania
    Vehicle:
    1971 Comet GT
    How did you determine that? Do you have a temperature gauge on it? How hot is it getting? Are you sure the thermostat is opening? Run it with the cap removed, is it flowing properly? New water pump could be weak (defective). Is there a fan shroud installed? All possibilities.....
     
  5. wolfheads

    wolfheads MadMav

    Joined:
    Jul 12, 2007
    Messages:
    349
    Likes Received:
    11
    Trophy Points:
    76
    Location:
    Florida
    Vehicle:
    73 Maverick / 2000 Harley Low Rider
    It has me bum-fuzzled. I've tried it with the cap off and I'm getting movement of the water. Not good movement, but movement. New thermostat, 160. It opens when that temp is reached. I have a temp gauge and it takes it's time about reaching higher temps. (up to 230+ before I shut it off.) It has a manual fan and a high volume electric 14 inch fan as well. the water level is good. When it gets that hot, I check under the hood for anything including collapsed hoses. Nothing visual.
     
  6. wolfheads

    wolfheads MadMav

    Joined:
    Jul 12, 2007
    Messages:
    349
    Likes Received:
    11
    Trophy Points:
    76
    Location:
    Florida
    Vehicle:
    73 Maverick / 2000 Harley Low Rider
    Ok, I just checked it out again and removed the radiator cap while it was cold and cranked it up and let it reach operating temp and never noticed flow. The water got hot but never moved. I'll remove the thermostat and retry.
     

Share This Page