It should be closed in the winter. There is a bent wire in the rubber boot that should keep it from sealing against the body.
I was wondering how many folks have that open, not knowing about it.
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Humvees in the winter
- Thread starter Havok
- Start date
I was wondering how many folks have that open, not knowing about it.
The driver foot vent is under the dash. It is a black flexible hose attached to the steering column. sometimes they get torn which greatly reduces the flow of air to the feet.
Also make sure the valve in the engine compartment is fully open. It is by the radiator overflow tank. I have seen lots of those freeze up. May need pliers to open it if the pull knob doesnt work.
Also make sure the valve in the engine compartment is fully open. It is by the radiator overflow tank. I have seen lots of those freeze up. May need pliers to open it if the pull knob doesnt work.
I saw the hose when I changed out my s3 a while back. Never thought to check to see if it's torn. Thanks!
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Above the doghouse is a small vent that you can slide open and closed. Behind that is a fitting that the hose under the dash connects to. There is no hose behind the vent, but there is one on the passenger side (a2) that connects to the diverter box. Closing that small vent should force more air to your feet, but then you have nothing blowing at your right arm.
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We got ours from Ft. Stewart.
Those wacky 3rd ID MP's bent the **** out of the driver and passenger drain holes, I'm assuming to let water out, they also kicked in the heater box. Not exactly winter friendly, they also poked several holes on the drivers rear floor under the seat, next to the OD box.
A lot duct tape, and a rebuild of the heater box does the trick to keep the freezing breeze to a minimum.
For you rebuilt purists, this vehicle is still operational (sorta),
Those wacky 3rd ID MP's bent the **** out of the driver and passenger drain holes, I'm assuming to let water out, they also kicked in the heater box. Not exactly winter friendly, they also poked several holes on the drivers rear floor under the seat, next to the OD box.
A lot duct tape, and a rebuild of the heater box does the trick to keep the freezing breeze to a minimum.
For you rebuilt purists, this vehicle is still operational (sorta),
Red6
Member
Glad im reading all these older posts, I was researching my heat situation and sure enough...my fresh air was open. Closed it up and it warmed right up inside. Much more tolerable.
HUMMER H1
Well-known member
I bought those half doors from plan B, then I welded a frame around it that bolts to half doors to make it removable,
Around the frame there is a heavy duty Velcro,
The plastic material is marine grade window material that has Velcro as well,
as far as the heater system, I kinda of copied H1 style center console that holds all the rear passenger fan and heater core
I extended the Humvee original heater core hoses to come to the center part, then I built a frame in the middle that holds the integra radiator,
I used reduction hose because radiator opening is bigger than Humvee heater core hoses.
radiator stays 2 inches above the floor flat position inside the frame that I built, blower fan is also from the integra, it doesn’t have pressure but has more CFM,
when the motor is warm, naturally that radiator also gets the same hot coolant, no valve In between,
I turn on the blower fan and bingo heat comes in.
I have been curious about these as I also have a Cj7 that isn't the best at heating. So not sure how these perform.
Aftermarket Heater
Aftermarket Heater