billet t-stat housing

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Nov 22, 2009 | 11:30 PM

DND58

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Laughing Gas

Joined: Jan 2007

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From: Carbondale, CO

billet t-stat housing

I spotted a small trail of anit-freeze running down the lower radiator hose today. The lower hose flange on the water pump is wet, just on the side of the flange. I do not believe it is the lower hose connection or the pump itself. Looking at that same flange from the top, it is dry. The connection between the billet housing and pump is damp, but can't see any fluid, so I'll keep checking.

I installed this housing when I flushed back in June and no leaks till now. All I used then was some faucet lube on the stat o-ring, and tightened housing bolts evenly. If I removed the billet housing to reseal, would you recommend I use some sort of RTV or sealer at the housing flange? If so, what flavor? Is there an o-ring at the lower flange on the pump?

Thanks

Nov 23, 2009 | 06:25 AM

Visseroth

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Joined: Apr 2009

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From: Northern Idaho

good question. I need to change mine too at some point as it likes to leak a little though strangely enough has recently stopped leaking. just drips really but drips means a failing seal, sooooo...............

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Nov 23, 2009 | 07:07 AM

riverrat41

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From: Glen Rose,Texas

I like the orange RTV.High heat....I use it on all types of applications in the industrial field.

Nov 23, 2009 | 02:14 PM

Visseroth

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From: Northern Idaho

so are you recommending RTV on these things? Does the bullet housing have a seal or do you just use the RTV?

Nov 23, 2009 | 03:07 PM

riverrat41

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From: Glen Rose,Texas

It does come with a square o-ring just like the factory housing but I feel better about putting a little red/orange high heat RTV on it as well.

Nov 23, 2009 | 04:15 PM

big poppa

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From: Lancaster, Pa.

I agree with Barry, a bead of that hi-temp silicon will seal it from what alot of people here say. I noticed a leak a couple weeks ago and removed the stat and housing and cleaned up the mating surfaces and reinstalled, no RTV used but all is dry. I had an extra new rubber t-stat seal DS sent me with my housing kit.

Nov 23, 2009 | 07:20 PM

SkySkiJason

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Joined: Jul 2008

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From: N.GA Mountains

Bob Riley advised me to use 'a little' RTV when I had a small leak after installing billet housing on one of my trucks. The billet housing is not 'forgiving' to any imperfections on the other side... That was a loooong time ago and I haven't thought about it since!

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Nov 23, 2009 | 07:44 PM

indyF-350psd

you can't fix stupid!

Joined: Mar 2008

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when i did mine i used some waterpump/thermostat rtv. you can get it from autozone or wherever and its gray. i chose that particular stuff since it would be coolant resistant......