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post #1 of (permalink) Old 03-07-2004, 09:57 AM Thread Starter
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jeep duct work

hi there

you know that vent between the hood and the windshield in CJ's? can someone tell me it's function? is it neccessary to have?

i just put in a new glass tub and was wondering if i need to put that vent back in. also, if i don't put that vent in, what is the best way to secure that piece of duct work that the vent attaches to so that the duct doesn't bounce all over and rattle all the time?

thanks
patrick
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post #2 of (permalink) Old 03-07-2004, 10:14 AM
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Re: jeep duct work

That's where you get your cold air makeup for your heater. LMAO....heater in a CJ, what a concept. It's also used as a gathering place for leaves, twigs etc.
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post #3 of (permalink) Old 03-09-2004, 04:35 PM Thread Starter
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Re: jeep duct work

so in other words...if i want to have "heat" i need to put that vent back in...

and if i don't want to have heat i should just take that piece of duct work out so that i don't have to worry about rattling around?

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post #4 of (permalink) Old 03-09-2004, 05:38 PM
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Re: jeep duct work

1. If you want "Fresh Air" circulation,
2. Install the vent.
3. If not... leave it out.
4. But, if you elect not to install the vent,
5. Then moisture can/will build up in the cabin,
6. I could keep my CJ warm down to -40* F,
7. That's also -40*C for you Canadians,
8. Up in the Northern Wisconsin winters,
9. With the fresh air vent mixing air.
10. And NO build up of moisture inside.
11. That's a boon so you don't have to,
12. Scrape the ice of the inside of the windshield.
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post #5 of (permalink) Old 03-11-2004, 02:40 PM
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Re: jeep duct work

I unhooked that duct work on my YJ and covered the opening on the cowl so no more water leaking in thru there.

There are enough air leaks on YJ and CJ's to bring in cold fresh air...heck that's all I get in the winter time is fresh cold air.

JP Magazine ran aarticle on this some time ago...that' where I got the idea...plus I have more room under the dash with the top half of the duct work gone.
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