Houndsman
Full Access Member
Thanks a lot guys I would pull the flat bed off but I have some good (tac's) on there lol, so droping the tanks are the only way for me,
Why does my truck only hold 10gals in each tank?
- Thread starter Houndsman
- Start date
79jasper
Chickenhawk
You can always make it easier with a transmission or atv jack.
pwjackson
Full Access Member
Question, I need to drop my rear tank to replace it soon. Are you able to drop the tank down and then disconnect the fule lines and such?
icanfixall
Official GMM hand model
The rear tank is the tuff tank to drop. you must cut loose the fuel lines at the frame cross member so you have enough slackin them to reach in to get them off the tank top. I'm sure you will find the shower head suction broken off. Usually we know this when our truck run out of fuel with about 1/4 tank of fuel left that we can't suck out cause the suction level is now much higher. Dropping a tank with fluid in it will be touchy. No matter what you do the fuel will migrate to the low side and throw off your balance. Going back up its easy.. No fuel will be in the tank.. I tried to install my rear tank with fuel stil in it... Big mistake but I fixed that quickly after I heard the pop of my head coming out of my ass...
I'm a fast learner...
I'm a fast learner...
Big mistake but I fixed that quickly after I heard the pop of my head coming out of my ass...
That just made my day.
I am way too familiar with that sound.
HammerDown
Full Access Member
Great picture...Haha Goose, ain't that the truth.
I think this should help. You'll be replacing the black piece in the picture.You must be registered for see images attach
My rear tank is siphoned empty > when I soon get to do this task I'll hose clamp a section of steel rod to the added hose (to keep it pointed down) > my luck the new hose will curl-up in the tank and act just like the busted shower-head.
Question, is there a special tool required to remove the OE fuel lines from the top of the sender?
79jasper
Chickenhawk
Should just be those clips. Pop em out with a flat head.
If you break them, you can buy new ones or use zip ties.
If you break them, you can buy new ones or use zip ties.
Houndsman
Full Access Member
Right on guys, I'll be droping the tanks this weekend!! Thanks you a lot I appreciate the help
I think I'll be doing this - although my front tank will read past E (when it stops moving) and I'll get another 100 miles out of it, so it sounds like my damn sending unit is toast. Hopefully I can clean it and it will work, but who knows...
Good idea on pulling the bed - I'll probably do that to save time.
Good idea on pulling the bed - I'll probably do that to save time.
GOOSE
Happy IDI'er
Front tank should be 19 gal, mine routinely holds 20 as did the one on my previous truck, rear should be 17gal. I usually see 34 gallons or so on every fill up giving me an empty front tank and 3 gallons or so of a cushion on the rear tank. 14-15 mpg should net you 450-500 miles between fill ups.
My rear tank leaks so I only use the front till I get off my butt and put my 30 gallon in the rear. The most Ive ever put in the front is about 11 gallons, mostly because the gauge plummets to empty shortly after half tank. Ive never run it out though, probably still has quite a bit left in it I just prefer to be cautious
Haha Goose, ain't that the truth.
I think this should help. You'll be replacing the black piece in the picture.You must be registered for see images attach
Thanks for giving my PHOTO credit...where due
I'm glad my shitz helping out 
79jasper
Chickenhawk
Thanks for giving my PHOTO credit...where due
I couldn't remember where I got the picture from.
Some reason I thought it was yours though. Roflmao
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