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post #1 of (permalink) Old 01-08-2002, 09:55 AM Thread Starter
 
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Jeep heater / cowl vent

If the cowl vent is closed so that the heater draws interior air (recirculate) where does the heater draw that air in from? Which cable or flap closes the cowl vent and opens it to the interior?

Tim

84 CJ7, 258, HEI, M/C 2100 carb, 5 inch lift, RS9000's, 33x12.5 BFG M/T's, 4.56's and Detroit softlocker, full cage & belts, Xenon flares, Dana 44 rear, GM dual diaphragm brake booster
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post #2 of (permalink) Old 01-08-2002, 10:28 AM
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Re: Jeep heater / cowl vent

Jeeps have heat??? ; ) Sorry just couldn't resist.

78 CJ7 Golden Eagle/TR Ignition/Weberized/2" leafs
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post #3 of (permalink) Old 01-08-2002, 12:04 PM
 
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Re: Jeep heater / cowl vent

The heater will not get any outside air nor any directly inside. Sorta creates a vaccum and uses the air inside by sucking air back in the vent outlets, through any loose fitting connections or screw hole. Not very effectively. If you look through the cowl grill on top of the tub you can see the vent flap on the passenger side. One cable opens/closes the vent, the other puts the defrost on and off. Look through the cowl hole and have someone push and pull the cables. When I went to a fiber tub I didn't even bother to cut the hole for the heater or connect the hose. I just let the heater use the air in the Jeep. Actually make the word "heater" almost true.

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76 CJ5
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post #4 of (permalink) Old 01-08-2002, 01:51 PM
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Re: Jeep heater / cowl vent

if you close up the vent, it will burn up the heater motor eventually. and as discussed a few days ago, if you make the air just recirculate from inside the cab, it will gather too much moisture.

shawn

The cup isn't half full or half empty, it's just twice the size it needs to be!!!
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