You have a problem!
Hoses
Corvette Enthusiast
Joined: Oct 2007
Posts: 6,794
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From: So. Cal.
2025 C7 of the Year Finalist- Unmodified
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hoses
No, I would'nt think so. None of my cars do that. Maybe check radiator cap to see if its working properly
Melting Slicks
Joined: Dec 2004
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From: Obama=death for America
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It's probably the cap. In any regard, it's definitely not normal.
It's probably the cap. In any regard, it's definitely not normal.
Last edited by 85 500 horse; Dec 29, 2007 at 04:39 PM.
Le Mans Master
Joined: Mar 2001
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From: Life is just one big track event. Everything before and after is prep and warm-up and cool-down laps
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St. Jude Donor '12
Might be time for new hoses as well.
When you replace the rad cap get a regular cap NOT the lever release one (they leak).
When you replace the rad cap get a regular cap NOT the lever release one (they leak).
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Melting Slicks
Joined: Feb 2006
Posts: 2,753
Likes: 15
From: backwoods upstate ny
on start/warm up,coolant expands and excess coolant is forced past the rad cap, thru the small hose, to the overflow tank...on shutdown/cooling the reverse should happen as liquid contracts causing low pressure in the engine/rad...crud build-up in the bottom of the coolant tank or the small hose can hinder return flow and hoses collapse... really ''soft'' (old) upper/lower rad hoses may ''implode'' due to low internal pressure on cool-down even if tank/hose is clear...a '''bad'' rad cap ocassionally can upset ''breathing'' and cause rad hoses action noted...not ''normal'', but not unusual, just not noticed by most.
Last edited by redrose; Dec 29, 2007 at 02:14 PM.
Thread Starter
Navigator
Joined: May 2007
Posts: 9
Likes: 0
From: Louisville Ky.
Thanks
Thanks for the input it was the cap. Jerry in Ky.
on start/warm up,coolant expands and excess coolant is forced past the rad cap, thru the small hose, to the overflow tank...on shutdown/cooling the reverse should happen as liquid contracts causing low pressure in the engine/rad...crud build-up in the bottom of the coolant tank or the small hose can hinder return flow and hoses collapse... really ''soft'' (old) upper/lower rad hoses may ''implode'' due to low internal pressure on cool-down even if tank/hose is clear...a '''bad'' rad cap ocassionally can upset ''breathing'' and cause rad hoses action noted...not ''normal'', but not unusual, just not noticed by most.
Thread Starter
Navigator
Joined: May 2007
Posts: 9
Likes: 0
From: Louisville Ky.
Thread Starter
Navigator
Joined: May 2007
Posts: 9
Likes: 0
From: Louisville Ky.
Thread Starter
Navigator
Joined: May 2007
Posts: 9
Likes: 0
From: Louisville Ky.
Race Director
Joined: Jun 2004
Posts: 13,956
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From: WI
I like the lever type so I can quickly vent a hot system to work on the car if need be.