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-   -   Radiator hose (http://www.diychatroom.com/f46/radiator-hose-174107/)

bostonwindows30 03-10-2013 07:55 PM

Radiator hose
 
I just changed water pump and radiator toy chevy 1500 truck everything looks great but the hose going to the radiator on top of thermostat it shrinks when I shut off truck, why??? When I take off radiator cap it goes back to normal is everything running properly??? What is it??? Help

paintdrying 03-10-2013 08:30 PM

Buy a quality hose, you could put a spring in it, but it should not have a spring in there.

bostonwindows30 03-10-2013 08:32 PM

Do you think it's the cap? It's not venting properly??

joecaption 03-10-2013 08:39 PM

New hose?
I always change all the hoses and belts when I change the pump. Got them off anyway.

bostonwindows30 03-10-2013 08:40 PM

I did that I changed all hoses,

bostonwindows30 03-10-2013 08:41 PM

Or do you think it's the thermostat????

joecaption 03-10-2013 08:45 PM

If memery serves me the top hose is suppost to be the one with wire in it.
No wire, it collapes and can cause over heating.

bostonwindows30 03-10-2013 08:46 PM

Ok I will change it out, thank you

SeniorSitizen 03-10-2013 09:22 PM

The suction hose has the spring wire. Ever see a stat with little hole about not much bigger than a needle. I wonder what the purpose of that hole is.

Bondo 03-11-2013 10:25 AM

Quote:

Originally Posted by Fairview (Post 1134164)
The suction hose has the spring wire. Ever see a stat with little hole about not much bigger than a needle. I wonder what the purpose of that hole is.

Ayuh,... That's an air bleed hole, so's the block will fill as ya fill the radiator....

The bottom hose from the radiator is the suction side, block water is exhausted to the radiator through the top hose...

bostonwindows30 03-11-2013 10:27 AM

So do I need to get different hose??

r0ckstarr 03-11-2013 03:13 PM

Quote:

Originally Posted by bostonwindows30 (Post 1134127)
Do you think it's the cap? It's not venting properly??

Yes. Change the cap. They are cheap. Your cap is not allowing the cooling system to pull in coolant from the overflow bottle, creating a vacuum, and collapsing the hose.

bostonwindows30 03-11-2013 04:57 PM

So do I need to change the hose???

cjm94 03-11-2013 06:47 PM

No it will do that as it cools. As stated if you have an overflow tank make sure the hose is clear and replace the cap

bostonwindows30 03-11-2013 07:03 PM

Will do, thanks for the help


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