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Old 11-04-2018, 08:28 PM   #1
liftlawssuck
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Vent solenoid location

2006 GMC Sierra 1500. Looking for the location of the vent solenoid. The place where I thought it would be has nothing that looks like it. Also I might not have the right part as it listed 2 different part numbers. So I'm not sure which one is there. Anybody run into this before?

Thanks
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Old 11-04-2018, 10:02 PM   #2
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Re: Vent solenoid location

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Originally Posted by liftlawssuck View Post
2006 GMC Sierra 1500. Looking for the location of the vent solenoid. The place where I thought it would be has nothing that looks like it. Also I might not have the right part as it listed 2 different part numbers. So I'm not sure which one is there. Anybody run into this before?

Thanks
Assuming you mean the Evap vent valve.
It's on the rear of the fuel tank on my 2005 2500HD.
The Vent filter should be along the LH side of the transmission if the TSB has been performed.
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Old 11-05-2018, 11:21 PM   #3
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Re: Vent solenoid location

Evap vent looks something like this on my 06 GMC.
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Old 11-07-2018, 11:51 AM   #4
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Re: Vent solenoid location

Yea I have the part and have replaced many of them. Just can't find the damn thing. I think I have to do some more digging. But thanks for the tips.
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Old 11-07-2018, 11:59 AM   #5
95 S_Trucker
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Re: Vent solenoid location

Some are at the rear of the fuel tank. Some are mounted on the crossmember near where the filler hose meets the tank.

Edit, here's some pics:

Name:  EVAP 1.jpg
Views: 29
Size:  49.3 KB

Name:  EVAP 2.jpg
Views: 29
Size:  49.7 KB
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Old 11-08-2018, 07:15 PM   #6
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Re: Vent solenoid location

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Originally Posted by 95 S_Trucker View Post
Some are at the rear of the fuel tank. Some are mounted on the crossmember near where the filler hose meets the tank.

Edit, here's some pics:

Attachment 1836248

Attachment 1836249
This is great!! Thanks. Mines certainly not like the first pic. The second is almost what I have. The EVAP canister in laying horizontal on mine. I haven't seen any other pics on the web like how mine is. But none the less it's most likely located on top.

Once I locate it the questions is...drop the tank or pull the bed??
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Old 11-08-2018, 10:52 PM   #7
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Re: Vent solenoid location

Dropping the tank is a colossal pain the the gluteus maximus. Not to mention the fact that dropping the tank disturbs a lot of stuff that's far better not disturbed.

Pull the bed. DO NOT USE an IMPACT GUN!!! It'll break the sheet metal cages around the captive nuts. Put Never Sieze on the bolts and inside the threads on the captive nuts when you re-install the bed.
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Old 11-09-2018, 05:39 AM   #8
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Re: Vent solenoid location

I have changed them without doing either. I stick my hand up behind the cab and then go on top of the frame rail. It’s held in with a tension clip.
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Old 11-09-2018, 11:06 AM   #9
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Re: Vent solenoid location

I actually recently replaced the tank pressure sensor without pulling the bed or tank.
Reached between the bed and the frame and did it by blind feel. Thankfully there wasn't much dirt but I loosened what dirt there was with my fingers and blew it out with a backpack leaf blower.
Nasty job but easier than pulling the bed or the tank. I was told by a mechanic that wasn't possible... after I'd already done it. Here's your sign.
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1959 M35A2 LDT465-1D
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1969 Dodge Polara 500 B383, A833
1972 Ford F250 FE390, NP435/NP205
1976 Chevy K20, 6.5L, NV4500/NP208
1986 M1008 CUCV
2000 GMC C2500, TD6.5L, NV4500
2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263
2009 Impala SS LS4 V8


RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials...Please include at least the year and model in your threads. It'll be easier to answer your questions.
And please let us know if and how your repairs were successful.

Last edited by hatzie; 11-09-2018 at 11:11 AM.
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Old 11-11-2018, 11:19 AM   #10
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Re: Vent solenoid location

I changed my 06 silverado 4wd quite a while back . I did not remember it being a problem . Seems like it took like maybe a hour .

What I do remember is the kit they wanted me to put was expensive . I did not use the kit and found out there was another valve that fit perfect with no problem and was less than 1/4 of the price . The kit comes with a hose and filter and they want you to run it to the front of the trans . I can change it several times if needed , But it has been fine for years .

Just don't over fill the tank . When the nozzle clicks stop . If you give it more above that it will over fill and run into the solenoid and damage it . I was bad to do that .

Just a little piece of info if anyone was interested .
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Old 11-11-2018, 04:21 PM   #11
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Re: Vent solenoid location

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Originally Posted by homemade87 View Post
I changed my 06 silverado 4wd quite a while back . I did not remember it being a problem . Seems like it took like maybe a hour .

What I do remember is the kit they wanted me to put was expensive . I did not use the kit and found out there was another valve that fit perfect with no problem and was less than 1/4 of the price . The kit comes with a hose and filter and they want you to run it to the front of the trans . I can change it several times if needed , But it has been fine for years .
I did the same thing. What I was told is GM updated the solenoid for the trucks, but not the Tahoe and Suburban. I bought a solenoid for a Tahoe when my Silverado's original went out after 10 years. Direct swap. If the new one lasts another 10 years, I'll be happy.
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