heater pipe that attaches to the thermostat housing .. what sealant to use ?

**turboLude** · 03-27-2012

Hey guys,
So I'm stumped here, there is a small metal pipe that comes off of the back of the thermostat housing that further leads to one of the heater hoses. The end of this metal heater pipe that goes into the thermostat housing has an O-ring seal. My question is .. is there anything else that holds this heater pipe in place? .. the reason why I ask is that in my 2001 Grand Prix SE, this pipe keeps coming off under pressure when car is running, I was wondering what Pontiac uses to seal this pipe in place. Does anyone know? .. please help

**BillBoost37** · 03-27-2012

Just the 10mm bolt.

**turboLude** · 03-27-2012

bolt huh? .. I think I found my problem then, my heater pipe is just a pipe without any bolts holding it .. do you have a picture of bolt/plate, or better yet a picture of the correct pipe to use ?

**BillBoost37** · 03-27-2012

Hold on..into the stat housing..not the front passenger side of the head...uh..

I think into the stat housing it's threaded. Into the front right is bolted.

No..I wouldn't infect my photobucket with pics of 3100's...sorry.

**ShadowSwept** · 03-27-2012

Originally Posted by BillBoost37

No..I wouldn't infect my photobucket with pics of 3100's...sorry.

LOL. Wow.
Earliest I could get you a pic is tomorrow

. My recollection is that both ends were bolted, but it's been a while so I don't know. Try an image search.

**turboLude** · 03-27-2012

thanks for your help .. does anyone else want to pitch in?

**turboLude** · 03-27-2012

Originally Posted by ShadowSwept

LOL. Wow.
Earliest I could get you a pic is tomorrow

. My recollection is that both ends were bolted, but it's been a while so I don't know. Try an image search.

Yeah, a pic would be great, thanks

**BillBoost37** · 03-27-2012

CTRacer... send him a pm. He likely has pics or can get some quick.

**SlowNA06** · 03-27-2012

We talking about this part?

**turboLude** · 03-27-2012

yes, looks like it ,, is there a bracket that is welded onto that pipe ?

**SlowNA06** · 03-27-2012

BAM!

So that bad boy should be bolted to the head.
"heater inlet pipe"
Torque to 25 NM, 18 LB FT.

I wonder if it needs a quick-disconnect threaded into the lower intake? Maybe this guy? Poke your finger in the hole and feel for threads.

Check out part 531 here. If that's your guy, then it can probably be had cheaper by searching for part #10189218

Okay, think I'm spent.

**turboLude** · 03-27-2012

yup, that's the part I'm looking for, but that part number that does not fit my 2001. Do you have the right part number for my car ?

**SlowNA06** · 03-27-2012

May have to hit a dealership up. I'm afraid the google doesn't know.

Register and search http://60degreev6.com.

**turboLude** · 03-27-2012

thanks for your help man

**SlowNA06** · 03-27-2012

Worst case scenario, mark it while installed and weld a piece of sheet metal to it. Or epoxy.

**turboLude** · 03-28-2012

The guys at my local dealership were of no help.

So I was able to find a picture of the part that I'm looking for and the actual name of the part, but still need a part number.

The part is called heater inlet adapter pipe (it's the black metal pipe) and goes into the intake manifold as pictured, with the other end going into the inlet heater hose.

Can anyone help with the GM part number?

Here's a picture ..

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