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#1 |
Registered User
Join Date: Dec 2008
Location: Quinton, Va.
Posts: 4
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collapsed radiator hose
Hi guys, great site, and alot of good looking trucks.
I have a question for a friend who has a 72 c-10 pickup. The truck has been completely restored and rebuilt, The motor has around 1,000 miles on it. The question I have, is what would cause the top radiator hose to collapse when he cuts the truck off after driving for a while. I've heard of the bottom hose collapsing while driving, but never heard of the top collapsing after driving. Thanks, Paul |
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#2 |
Registered User
![]() Join Date: Oct 2008
Location: Everett, WA
Posts: 326
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Re: collapsed radiator hose
A bad or wrong radiator cap. When the engine cools down it sucks antifreeze back into the radiator thru the cap from the catch can, the valve in the cap can be bad or some times a wrong type of cap can be installed. Some older caps only allowed venting not allowing the sucking of fluid back into the system.
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#3 |
Registered User
Join Date: Sep 2008
Location: Tempe, AZ
Posts: 770
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Re: collapsed radiator hose
Could be several different things...My first guess would be a faulty or wrong radiator cap...but it could also be a faulty thermostat or maybe a pinched overflow hose....Upper hose may just be bad as well....
Dan
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My Build Thread: http://67-72chevytrucks.com/vboard/s...d.php?t=309288 |
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#4 |
Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: collapsed radiator hose
bad cheap rad hoses do that
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71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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#5 |
Formerly- 1972SuperCheyenne
![]() Join Date: Oct 2008
Location: Wake Forest NC
Posts: 5,782
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Re: collapsed radiator hose
Definately the cap.
__________________
--Josh My Build Thread:http://67-72chevytrucks.com/vboard/s...d.php?t=799218 A good crossthread is better than Loctite any day. Life is not about what you have, but who you have to share it with. |
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#6 |
Registered User
Join Date: Dec 2008
Location: Quinton, Va.
Posts: 4
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Re: collapsed radiator hose
Thanks for the info. He going to replace the cap first, then the upper hose if needed. What lbs. cap should he use? He replaced the stock 2 row with a 4 row radiator, and added vintage air during the rebuild. The motor is pretty much a stock 307 with 350 heads, edelbrock intake, and 600 carb. The truck is driven mostly durring warm, and hot weather, what degree therostat should he run.
Again, thanks for the info Paul |
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#7 |
Registered User
Join Date: Oct 2005
Location: Overland Park, Ks.
Posts: 5,217
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Re: collapsed radiator hose
If everything is in top notch shape he can run a 13 lb. cap. A 180 therm. works best.
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