hood vent
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hood vent - 5/30/2008 5:19:21 PM
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josh1899
Posts: 247
Joined: 11/11/2007
From: Spring, Tx
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Anybody made theirs functional? I notice a lot of h3 owners talking about their trucks running hot, and thought making the hood vent functional would help. Any ideas?
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2008 Hummer H3 Alpha. Graphite Metallic/Light Cashmere. Power Sunroof, Draw-tite Hitch, Window Tint, Weathertech mats, All Royal Purple fluids, Underbody Protection, 33" Firestone Destination MT's, Cognitos, Rocky Road Sliders.
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RE: hood vent - 5/30/2008 5:43:40 PM
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SteveO
Posts: 324
Joined: 6/2/2007
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Good question, I also have wondered if anyone has made their hood open like the H2's making the hood grips actually usable??
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RE: hood vent - 5/30/2008 6:02:26 PM
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3hummers
Posts: 11819
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My Alpha has never run out of the normal range.
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RE: hood vent - 5/30/2008 7:24:22 PM
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rhill20
Posts: 4549
Joined: 10/27/2007
From: Delaware, Ohio GO BUCKS!
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I had thought about doing it, haven't had a temp problem, just thought about having the "louvers" laser cut to create actual vents and then cut the hood out from under the vent.
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RE: hood vent - 5/30/2008 10:01:22 PM
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alrock
Posts: 1058
Joined: 5/12/2007
From: Scottsdale, AZ
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I think I'm waiting to see how it acts in its second summer. It only got hot when offroading and I'm doing more this year, so it's a wait and see thing for me.
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RE: hood vent - 5/31/2008 10:16:16 AM
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RealJeep
Posts: 725
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I drove it all last summer in central Florida and it never got much past the half way mark on the temp gauge. I also have always wondered about getting a functional hood vent but may wait until it's out of warranty.
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RE: hood vent - 5/31/2008 10:52:55 AM
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TINKED
Posts: 245
Joined: 4/17/2007
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I haven't had an issue with my temp going up in my H3, and I wheel it hard. Maybe there is another issue?? I would be more afraid of alot (more) dirt getting into the engine area versa how much gets in there now if you were to open up that vent. Someone should come up with some side vents like the Unimogs have...I will attach pic of our Unimog if you can see the vents up by the from fender area.... Of course H3 would have to look nicer...but same idea !
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RE: hood vent - 5/31/2008 12:58:13 PM
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RealJeep
Posts: 725
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My HMMWV (M-1114 et al) Had a functional hood vent and it worked great! Of course the radiator was up there but you get the idea. Who cares if dirt gets in there, as long as heat gets out.
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RE: hood vent - 5/31/2008 2:49:03 PM
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veves
Posts: 105
Joined: 5/17/2008
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I think mine runs alittle on the hot side. where can i find a 180 tstat?
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RE: hood vent - 5/31/2008 4:15:13 PM
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Evadd
Posts: 69
Joined: 2/22/2008
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i'd be worried about affecting the crumple properties of the hood if you mess with its integrity by cutting a chunk out of the middle. if you're going fast enough and hit something solid enough to crush your front end you've probably got enough to worry about, but i still wouldn't want to add something else.
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RE: hood vent - 5/31/2008 6:54:55 PM
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RealJeep
Posts: 725
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With a body on frame vehicle, crumple zones aren't as big a deal as unibody rides.
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RE: hood vent - 6/1/2008 9:38:16 PM
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josh1899
Posts: 247
Joined: 11/11/2007
From: Spring, Tx
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I was thinking about removing vent and making slits functional. then drilling 1 inch holes (maybe 6-10 total) to allow the heat to escape. I dropped almost $500 bucks at the dealer because I was over heating, and they found sand and debris in between my radiator and condenser. I still run hot (maybe 3/4) in heavy traffic on hot days. Never had this issue with any vehicle i've driven. When traffic lets up, and i get to speed, it drops to half again or just above. I've accepted that the truck just runs hot, so i was looking for ways to improve the condition, and let the heat dissipate especially when in traffic, or wheeling at low speeds.
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2008 Hummer H3 Alpha. Graphite Metallic/Light Cashmere. Power Sunroof, Draw-tite Hitch, Window Tint, Weathertech mats, All Royal Purple fluids, Underbody Protection, 33" Firestone Destination MT's, Cognitos, Rocky Road Sliders.
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RE: hood vent - 6/2/2008 8:04:05 AM
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Black_Impala
Posts: 180
Joined: 5/31/2007
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It may be a long shot, but before you do anything else I would go to a radiator shop instead of the dealer. They deal with that daily. I would almost bet that there is some air in the system that needs to be purged. I've had a couple of cars that were fixed that way.
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RE: hood vent - 6/2/2008 8:55:33 AM
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josh1899
Posts: 247
Joined: 11/11/2007
From: Spring, Tx
Status: offline
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how much does it cost to get that done at a radiator shop?
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2008 Hummer H3 Alpha. Graphite Metallic/Light Cashmere. Power Sunroof, Draw-tite Hitch, Window Tint, Weathertech mats, All Royal Purple fluids, Underbody Protection, 33" Firestone Destination MT's, Cognitos, Rocky Road Sliders.
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RE: hood vent - 6/2/2008 9:24:59 AM
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ReconH3
Posts: 31
Joined: 4/14/2008
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I would go with a triple core radiator. Cheapest solution and is guaranteed to work. The problem is finding one that fits the H3. In all my 4x4 vehicles that had winches installed, that is how I solved it. They all overheated from the winch not letting in enough air. I have contemplated making the hood vent functional, but only by cutting out holes like Josh suggested. That wouldn't compromise the hoods integrity. That doesn't always work if the hot air doesn't flow in that direction. Usually you have to have the vents as far back on the hood as possible, for that exact reason. It might require you to install a small electro-fan that forces the hot air out. This would also avoid the dirt getting in that Tinked was concerned about. You would have to see if there was enough space for the fan. Until somebody tries it, we won't know. Changing the thermostat valve alone doesn't always solve the problem. It only delays it from heating up. I did that in one of my Jeeps, and eventually had to remove it. On cold days it didn't let the engine heat up to it's normal operating temp, causing it to run rough. Two things that always work if you don't want to spend a cent, but can be very uncomfortable are: turn off the AC, and turn on the heater. The heater is just another radiator inside the cabin. It increases the hot water flow and heat exchange. It's a trick I learned from the Aussies when your out in the middle of nowhere , and the car overheats, but you can't stop and wait for roadside assistance. Always gets you home.
< Message edited by ReconH3 -- 6/2/2008 9:34:35 AM >
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