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What is this part? - Radiator Hose leaks


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johncharles
New User

Feb 17, 2018, 3:12 PM

Post #1 of 3 (249 views)
What is this part? - Radiator Hose leaks Sign In

I have a 2007 Toyota Sienna I was on my way home, when I started to see lots of steam, smelled anti freeze, and the temp started to go up. Thankfully I was only a short distance from home.

When I opened the hood I noticed quickly that one of the hoses attached to the top of the radiator had detached.

It looks like a small part that joins the plastic filler cap with the end of the hose sheered off.

What is this part, is this something I can easily get a replacement part for?
Photos:
https://imgur.com/PDoPxsY -- closeup
https://imgur.com/zPRvAYz -- a little farther back for context.


(This post was edited by johncharles on Feb 17, 2018, 3:17 PM)


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Feb 17, 2018, 4:38 PM

Post #2 of 3 (226 views)
Re: What is this part? - Radiator Hose leaks Sign In

Looks like you are buying a new radiator. That is part of the filler neck that broke off.



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Carbon Crank
Novice

Feb 25, 2018, 11:48 PM

Post #3 of 3 (185 views)
Re: What is this part? - Radiator Hose leaks Sign In

Doesn't look to me like it broke off oh, it looks like it blew it off. The car overheated and the pressure blew the hose off. I see grooves in the hose that match the grooves on the spout. That's supposed to be an overlapping spring clamp that you squeeze together with a pair of pliers to loosen it. So you loosen the clamp with the pliers Slide the hose on and release the clamp back in place.

But doesn't answer the chicken in the egg question of what made the hose blow off. Often a leak somewhere with leaking of fluid out to make it overheat and the overheating blows the hose off. But there's a lot of things that can make the engine overheat and blow a hose off. It's not supposed to happen because the cap it's not supposed to let the pressure in the radiator build up to the point for the coolant boils. It's supposed to vent. The cap also holds some pressure in the system to raise the boiling point of the coolant. Like I said groups in the hose seem to match the grooves on the spout. Are those really your best two pictures?

Car has temperature gauge and a temperature warning light. It's not something that normally happens without warning.






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