'86 upper radiator hose keeps sucking flat? - Monte Carlo Forum - Monte Carlo Enthusiast Forums


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Old 08-07-2010, 12:07 PM
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Default '86 upper radiator hose keeps sucking flat?

My upper radiator hose keeps sucking flat? I even had a new radiator put in when the new engine was, bout 6 months ago, I also replaced the hose about a week ago, someone said something about a spring in the tube, when I took off the old one their was nothing
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Old 08-07-2010, 12:36 PM
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Hi Reaper, ~> i Hope the below link helps in some way or gives you some idea on what to look for...Good Luck 4-Sure...
Also check back to see what our expert tech member's post/suggest.....

Repair Radiator Hose: How to Repair a Radiator Hose Collapse ...
When you are confronted by a radiator hose collapse, then you may find that the upper part is completely flat, as though it has been sucked into the rest of ...
www.doityourself.com/.../repair-radiator-hose-how-to-repair-a-radiator-hose-collapse
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Old 08-07-2010, 10:05 PM
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i would replace the radiator hose first as well as the thermastat. because it sounds like the water pump is trying to suck cold fluid into the engine causing the hose to go flat. second after doing that make sure you have some dry card board or some thing under your car to make sure there is nothing is leaking out under the car.if it still doing the same thing i would asume that you have a lim leak or a major leak from the heads. if you have a chance after you do the thermostat replace and hose replace do a presure test to see if there is nothing major has faild
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Old 08-08-2010, 08:44 AM
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hey thanks for your help guys, ill deffanetly give those options a try
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Old 08-17-2010, 07:01 AM
 
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ok did your old hose have a spring inside it? if so you need to install it in the new hose if not did it have this problem with the old hose?
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Old 08-23-2010, 05:08 PM
 
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Your rad cap is bad. Change the cap and prob fixed.
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Old 09-07-2010, 09:36 AM
 
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i agree with monte07!
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Old 09-07-2010, 10:03 AM
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My '84 Camaro had that problem with the lower hose. I don't recall if that hose had a spring or not, but the end result was I had a clogged radiator (so clogged we just swapped it out with a brand new one).

I know you mentioned you got a new radiator when doing an engine swap, but it still might have something wrong with the radiator.... Outside of that, I'm not sure what to check....
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