Heater hoses
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Freshman User
Joined: Dec 2005
Posts: 42
Likes: 0
Heater hoses
Ok i just replaced the upper raditor hose in heavy rain on the side of the road....And heater core the next day, I'm replacing bottom raditor hose tomorrow.
I noticed on the heater hoses that one has a value with a screw off top-That says antifreeze only on the screw top--What is this for and is it needed? because it seems that is where i'm leaking at one of the screw points to the value.
Thanks All
I noticed on the heater hoses that one has a value with a screw off top-That says antifreeze only on the screw top--What is this for and is it needed? because it seems that is where i'm leaking at one of the screw points to the value.
Thanks All
Post Fiend
Joined: Feb 2003
Posts: 6,940
Likes: 2
From: Eastern WA
What you are refering to sounds like a flush adapter once offered in an aftermarket flush kit by prestone or similar company. Get rid of it for the exact reason you noted; they like to develop leaks over time. I assume that when you say value, you really mean port 
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Elder User
Joined: Nov 2004
Posts: 759
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From: Ventura ,ca. (near L.A.)
Yeah ditch the dumb thing. When i flush my trucks cooling system i pull the thermostat housing and pull the thermostat and just snug the housing back down (it leaks but it's just water). Then i blow water in the upper radiator hose and watch the crap come out.
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Freshman User
Joined: Dec 2005
Posts: 42
Likes: 0
It looks like a cap inline with the hose 6 inches from the heater core inelt, when screwed off when truck is hot antifreeze comes out under pressure and when cold it just looks like a fill point when unscrewed, it's coming off.
