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Go Back   Hummer Forums by Elcova > Hummer H3 Discussion Forums > Technical Discussion and Customizing your H3

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  #1  
Old 03-21-2007, 03:19 AM
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Default What is this thing?

Hey can someone tell me what this is and what it does. I think someone had trouble with this before and was asking but cant find the thread now.

The thing is the big rectangular plastic thing with the hoses going into it. The problem I am having is that the round thing with the hose going to it is held by 2 metal brackets, however one of mine has somehow fallen of and now it just bounces around in there.

Here are some pics to show what im talking about:

thi sis the whole thing:



here is the whole thing unscrewed and pulled out for better view:



this is the part that has lost the attaching bracket and is loose, this part sits to the left of the entire thing, and i think its the only part that has electrical wiring comming to it:



so can anyone help with what this is, and possibly where i can find that metal bracket for it. I dont have the time or patience to go to dealer for now. Thanks for any help!
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Old 03-21-2007, 06:43 AM
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Default Re: What is this thing?

LMAO, I have the same problem

http://www.elcovaforums.com/forums/s...ad.php?t=25131

it hasn't exploded yet.

Going to the dealer on the 26th, I'll let you know what they say.
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Old 03-21-2007, 02:29 PM
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Default Re: What is this thing?

yeah i remember i saw someone before asking about this thing but couldnt remeber who and couldnt find the post.

It has something to do with the fues system cauze its going to the tank and has some other lines but have no idea what it does.

Yeah please do let me know what they say. Thanks!
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Old 03-21-2007, 02:37 PM
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Default Re: What is this thing?

hehe, just finished reading your thread and it seems that someone already said what it was. but do post if they say it must be fixed imediately or if it can bounce around for a while. thanks. glad theres no danger of an explosion.
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Old 03-21-2007, 05:26 PM
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Default Re: What is this thing?

"The thing is the big rectangular plastic thing with the hoses going into it. The problem I am having is that the round thing with the hose going to it is held by 2 metal brackets, however one of mine has somehow fallen of and now it just bounces around in there."

Rectangular item is the carbon canister that retains fuel vapors that are eventually returned to the engine for consumption. The round thing is the canister vent valve. A normally open valve that allows outside air to enter the canister.
What happens is there is a purge solenoid that opens per instructions from the PCM and this allows fuel vapors to flow from the canister to the intake manifold. If there was no vent to allow in fresh air, the canister would collapse.
If you can't make it to the dealer, see if it can be tie strapped
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Old 03-21-2007, 07:44 PM
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Default Re: What is this thing?

F5 is that why I only got 180 miles to my last tank of gas?
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