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Top Radiator Hose Collapsing #1067381 09/02/11 09:57 AM 09/02/11 09:57 AM
Joined: Jan 2003 Posts: 5,444 Indiana Y YO7_A66 OP master
YO7_A66 OP master Y Joined: Jan 2003 Posts: 5,444 Indiana	A friend of mine has a 76 360 motor and the top radiator hose is collapsing closed. He said that as soon as he removed the radiator cap, then the hose goes back to round again. Could this be from an old hose or a bad radiator cap? Thanks 1970 YO7 A66 [Canadian Export] F8 Challenger 340 (Currently in shop for stroker assy.)

Re: Top Radiator Hose Collapsing [Re: YO7_A66] #1067382 09/02/11 10:26 AM 09/02/11 10:26 AM
Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska	Quote: Could this be from an old hose Yes live every 24 hour block of time like it's your last day on earth

Re: Top Radiator Hose Collapsing [Re: YO7_A66] #1067383 09/02/11 10:49 AM 09/02/11 10:49 AM
Joined: Jan 2003 Posts: 75,136 A Banana Republic near you. JohnRR I Win
JohnRR I Win Joined: Jan 2003 Posts: 75,136 A Banana Republic near you.	There isn't really any suction on the top hose so it collapsing is a bit odd.

Re: Top Radiator Hose Collapsing [Re: JohnRR] #1067384 09/02/11 10:55 AM 09/02/11 10:55 AM
Joined: Mar 2004 Posts: 750 Salinas, California 1970Cuda super street
1970Cuda super street Joined: Mar 2004 Posts: 750 Salinas, California	Sounds like a stuck thermostat.

Re: Top Radiator Hose Collapsing [Re: 1970Cuda] #1067385 09/02/11 11:21 AM 09/02/11 11:21 AM
Joined: Jan 2003 Posts: 27,421 Balt. Md 3 383man Too Many Posts
383man Too Many Posts 3 Joined: Jan 2003 Posts: 27,421 Balt. Md	Replace the hose with a good one and the type with the sping inside it will work good. Also replace the rad cap as it has a vacum release valve of a certain vacum and it may not be working. Ron

Re: Top Radiator Hose Collapsing [Re: 383man] #1067386 09/02/11 03:12 PM 09/02/11 03:12 PM
Joined: Jan 2011 Posts: 15,982 Central Florida larrymopar360 Stud Muffin
larrymopar360 Stud Muffin Joined: Jan 2011 Posts: 15,982 Central Florida	I have never seen a top hose with spring. As mentioned there shouldn't be suction in the top hose, right? Facts are stubborn things.

Re: Top Radiator Hose Collapsing [Re: larrymopar360] #1067387 09/02/11 03:37 PM 09/02/11 03:37 PM
Joined: Jan 2003 Posts: 27,421 Balt. Md 3 383man Too Many Posts
383man Too Many Posts 3 Joined: Jan 2003 Posts: 27,421 Balt. Md	Quote: I have never seen a top hose with spring. As mentioned there shouldn't be suction in the top hose, right? Daa dont mine me as I was thinking bottom hose and saying top hose. You are right as the only top hoses with a spring that I have seen are the aftermarket universal accordian type hose. I forgot to ask but I assume it is doing this after he shuts it off ? If so then I would replace the cap because the vacum release valve could be sticking. Course it cant hurt to replace the top hose with a good brand hose. Ron Last edited by 383man; 09/02/11 03:39 PM.

Re: Top Radiator Hose Collapsing [Re: 1970Cuda] #1067388 09/02/11 07:22 PM 09/02/11 07:22 PM
Joined: Jun 2005 Posts: 4,442 Texas D Daty Rogers World's Greatest Husband. I love you Robyn
Daty Rogers World's Greatest Husband. I love you Robyn D Joined: Jun 2005 Posts: 4,442 Texas	Quote: Sounds like a stuck thermostat. I agree. I think the hose is getting sucked down by the water pump. -Daty

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