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-   -   Jeep heater / cowl vent (https://forums.off-road.com/jeep-short-wheelbase/101802-jeep-heater-cowl-vent.html)

TiminMb 01-08-2002 09:55 AM

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

Drury 01-08-2002 10:28 AM

Re: Jeep heater / cowl vent
 
Jeeps have heat??? ; ) Sorry just couldn't resist.

78 CJ7 Golden Eagle/TR Ignition/Weberized/2" leafs

Pigpen 01-08-2002 12:04 PM

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.

Pigpen
76 CJ5

80cj 01-08-2002 01:51 PM

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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