Those names sound good to me. It's used to shut off the vacuum to
the distributor advance diaphragm or Exhaust Gases Recycling valve,
cold: http://www.----------.com/vacValve.jpg I would toss it unless you
need it to pass SMOG visual.
God Bless America, ßill O|||||||O
mailto:--------------------

bizbee wrote:
>
> Yeah, but <what do you call it>? I need to replace it, I don't know
> what to ask for... lol My damn Chilton's doesn't seem to have any
> reference to it. Thermal vacuum valve? Thermal vacuum switch? It looks
> like it costs all of about a dollar. It got replaced at another point,
> but I was having the carb rebuilt at the time, so didn't do it
> myself... but I remember the guy showing me where it cracked, and this
> one is broken in the same place--naturally.

 

Those names sound good to me. It's used to shut off the vacuum to
the distributor advance diaphragm or Exhaust Gases Recycling valve,
cold: http://www.----------.com/vacValve.jpg I would toss it unless you
need it to pass SMOG visual.
God Bless America, ßill O|||||||O
mailto:--------------------

bizbee wrote:
>
> Yeah, but <what do you call it>? I need to replace it, I don't know
> what to ask for... lol My damn Chilton's doesn't seem to have any
> reference to it. Thermal vacuum valve? Thermal vacuum switch? It looks
> like it costs all of about a dollar. It got replaced at another point,
> but I was having the carb rebuilt at the time, so didn't do it
> myself... but I remember the guy showing me where it cracked, and this
> one is broken in the same place--naturally.

 

Those names sound good to me. It's used to shut off the vacuum to
the distributor advance diaphragm or Exhaust Gases Recycling valve,
cold: http://www.----------.com/vacValve.jpg I would toss it unless you
need it to pass SMOG visual.
God Bless America, ßill O|||||||O
mailto:--------------------

bizbee wrote:
>
> Yeah, but <what do you call it>? I need to replace it, I don't know
> what to ask for... lol My damn Chilton's doesn't seem to have any
> reference to it. Thermal vacuum valve? Thermal vacuum switch? It looks
> like it costs all of about a dollar. It got replaced at another point,
> but I was having the carb rebuilt at the time, so didn't do it
> myself... but I remember the guy showing me where it cracked, and this
> one is broken in the same place--naturally.

 

It's called a CTO valve. An inline one too by the sounds of your
description...

My 86 has a waterjacket in the intake manifold, so my CTO is screwed in
there.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's

bizbee wrote:
>
> OK, this is irritating the hell out of me. I have an '80 CJ5 with a
> 258.
> On the heater hose that is connected to the thermostat housing,
> there's a brass fixture with some kind of valve screwed into it. The
> hose is connected to one side, then the other. The valve is vaguely
> spark-plug shaped, but only about an inch long, plastic, with three
> vacuum hoses coming off of it... at least I assume they're vacuum
> hoses, operating on the vacuum created by the passing water above. The
> problem is, this thing is plastic, and, wonder of wonders, it's
> cracked around one of the vacuum line connections. Anyone want to take
> a shot? Seems like I knew the name of this bugger, but for the life of
> me, I can't remember.

 

It's called a CTO valve. An inline one too by the sounds of your
description...

My 86 has a waterjacket in the intake manifold, so my CTO is screwed in
there.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's

bizbee wrote:
>
> OK, this is irritating the hell out of me. I have an '80 CJ5 with a
> 258.
> On the heater hose that is connected to the thermostat housing,
> there's a brass fixture with some kind of valve screwed into it. The
> hose is connected to one side, then the other. The valve is vaguely
> spark-plug shaped, but only about an inch long, plastic, with three
> vacuum hoses coming off of it... at least I assume they're vacuum
> hoses, operating on the vacuum created by the passing water above. The
> problem is, this thing is plastic, and, wonder of wonders, it's
> cracked around one of the vacuum line connections. Anyone want to take
> a shot? Seems like I knew the name of this bugger, but for the life of
> me, I can't remember.

 

It's called a CTO valve. An inline one too by the sounds of your
description...

My 86 has a waterjacket in the intake manifold, so my CTO is screwed in
there.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's

bizbee wrote:
>
> OK, this is irritating the hell out of me. I have an '80 CJ5 with a
> 258.
> On the heater hose that is connected to the thermostat housing,
> there's a brass fixture with some kind of valve screwed into it. The
> hose is connected to one side, then the other. The valve is vaguely
> spark-plug shaped, but only about an inch long, plastic, with three
> vacuum hoses coming off of it... at least I assume they're vacuum
> hoses, operating on the vacuum created by the passing water above. The
> problem is, this thing is plastic, and, wonder of wonders, it's
> cracked around one of the vacuum line connections. Anyone want to take
> a shot? Seems like I knew the name of this bugger, but for the life of
> me, I can't remember.

 

It's called a CTO valve. An inline one too by the sounds of your
description...

My 86 has a waterjacket in the intake manifold, so my CTO is screwed in
there.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's

bizbee wrote:
>
> OK, this is irritating the hell out of me. I have an '80 CJ5 with a
> 258.
> On the heater hose that is connected to the thermostat housing,
> there's a brass fixture with some kind of valve screwed into it. The
> hose is connected to one side, then the other. The valve is vaguely
> spark-plug shaped, but only about an inch long, plastic, with three
> vacuum hoses coming off of it... at least I assume they're vacuum
> hoses, operating on the vacuum created by the passing water above. The
> problem is, this thing is plastic, and, wonder of wonders, it's
> cracked around one of the vacuum line connections. Anyone want to take
> a shot? Seems like I knew the name of this bugger, but for the life of
> me, I can't remember.

 

bizbee did pass the time by typing:

> Yeah, but <what do you call it>?

oddly enough, Thermal Vacuum Switch.

I "think" it's this one. Make sure
before you order it though.

napaonline.com
Echlin Fuel System Ported Vacuum Switch
Usually ships in 24 hours. CRB21000 $ 22.49
Color Code: Red & 3 Ports, 222-228 Degrees, w/ OEM # 5358881


--
DougW

 

bizbee did pass the time by typing:

> Yeah, but <what do you call it>?

oddly enough, Thermal Vacuum Switch.

I "think" it's this one. Make sure
before you order it though.

napaonline.com
Echlin Fuel System Ported Vacuum Switch
Usually ships in 24 hours. CRB21000 $ 22.49
Color Code: Red & 3 Ports, 222-228 Degrees, w/ OEM # 5358881


--
DougW

 

bizbee did pass the time by typing:

> Yeah, but <what do you call it>?

oddly enough, Thermal Vacuum Switch.

I "think" it's this one. Make sure
before you order it though.

napaonline.com
Echlin Fuel System Ported Vacuum Switch
Usually ships in 24 hours. CRB21000 $ 22.49
Color Code: Red & 3 Ports, 222-228 Degrees, w/ OEM # 5358881


--
DougW