Spring in lower radiator hose.

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Apr 24, 2010 | 06:29 PM

xX89RSXx

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From: Cumberland, RI

Car: 1989 Camaro RS

Engine: 305 TBI

Transmission: 700R4

Spring in lower radiator hose.

I will be replacing my hoses soon. I am wondering if I have to put the spring that is in the factory lower rad hose into the new hose I purchased.

Thanks

Apr 24, 2010 | 06:42 PM

HankL69

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From: Green Bay Wi

Car: 85 IROC / 69 Firebird convertible

Engine: 5.0 / 350

Transmission: t-5 / WC t-5

Axle/Gears: 3.27 / 3.08

Re: Spring in lower radiator hose.

The spring is there to keep the hose from colapsing when the car cools down. If the new hose doesn't have one then you don't need one.

Apr 24, 2010 | 10:36 PM

deadbird

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From: So.west IN

Car: 87 Formula/ 00 Xtreme

Engine: TPI 305/ v6

Transmission: struggling t-5/ 4l60E

Axle/Gears: 3.08/ 3.23

Re: Spring in lower radiator hose.

Quote:

Originally Posted by HankL69

The spring is there to keep the hose from colapsing when the car cools down..

Usually, they (the spring) are in there to keep the hose from collapsing when the hose gets hot and soft and the pump is sucking water up through the hose (to the block). During high rpm and heat, the draw (suction) can cause the hose to collapse.
Crappier made (the low buck, $1.05, ones) replacement hoses will generally have them (springs) over more costly, well made (thicker, better internally lined) ones.

Use it if it fits/you want to, it won't hurt anything.