If I remember right the lower hose on the radiator in my motorhome (class C on a 77 Ford chassis w/460 V8) has a spring in it to keep it from collapsing.
When you take the old hose off look and see if the spring is in there. If it is damaged or missing that might be part of your problem.
They are not putting springs in them anymore,Too much money
Everyday above ground is a Good Day!!! Never Stop Vannin'
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Owner & Creator of Wizard's Van-In Videos Member of Riding High Truckers from 1982 to 1996 2nd Member of The Toopa Sinner Tribe Member of Free Bird Vanners 1996 to Present Member of Cape Atlantic Truckers South Jersey Host Club of Freeze Out Certified Nats Judge Member of Shenandoah Valley Vans
They are not putting springs in them anymore,Too much money
...And to the consumer,,it's save a nickle to spend a dime.. .......oh ,,I posted a pic of installed back up monitor in readers rides forum "shaggon updates thread..
.......oh ,,I posted a pic of installed back up monitor in readers rides forum "shaggon updates thread.. 
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