how do change fuel pump in a 99 suburban

[robsformula]

has anybody changed a fuel pump in a 99 3/4 ton suburban 4x4 ?

[H20 Toie]

You drop the gas tank. it is inside of the tank

[Beer-30]

What he said.

[Perfect Mixer]

Pay someone to do it right

[robsformula]

I have done that but there are 2 lines going directly to the pump that I can't disconect

[robsformula]

H2o how do you disconect the 2 lines to the pump

[BOBALOO]

Go to the auto parts place and ask for a fuel line disconnect tool. It will be open on one side to fit around the line and probably plastic.

[Beer-30]

Yes, there is a special tool to disconnect them. Don't just break them.
BTW, get a GM or AC/Delco replacement pump. If you get an off-brand, you will be doing it again. It may be a little more expensive, but the old one lasted this long, right?

[BOBALOO]

It might look like this
http://us.st11.yimg.com/us.st.yimg.com/I/brandsplace_1898_188465749
or thishttp://www.midwayautosupply.com/images/lisle/37000_3X.jpg
And I second the Dealer pump.

[robsformula]

beer 30 both of the lines broke when the tank came down. Is there a way to remove the plastic that is still inside the fittings without damaging them?

[robsformula]

babaloo, will the tool still work on lines that have snapped?

[BOBALOO]

beer 30 both of the lines broke when the tank came down. Is there a way to remove the plastic that is still inside the fittings without damaging them?
If the fuel lines were plastic you might be buying a new set. I cant remember if those vehicles had plastic or metal. It has been a few years.

[robsformula]

babaloo, the lines have steel fitting but the fuel pump fitting were plastic and thats what snapped inside the hose fitting

[BOBALOO]

You should be able to get the plastic fittings out with the disconnect tool and some needle nose pliers . You will need to insert the tool into the metal fitting and it will push back the little tangs inside the fitting so that the fuel pump line will come out. You will need to keep pressure on the tool because the tangs are going to try to push it back out. 3 handed operation just about. If you force it out you WILL mess up the spring loaded tangs.

[chuck studler]

there are little plastic retaners with tabs that you sqeeze to
release sometimes they can be difficulttry to push the line
towards the pump module to release presure on the clip
and sqeeze with needle nose pliers be sure to use a delco pump
little moremoney but well wort it and replace the fuel filter

[Kachina26]

Break em off and retrieve them when everything is out of your way. Yeah, I've changed one or two pumps in my day. :D Don't forget the fuel filter or you will be doing this again very soon.

[robsformula]

Thanks everyone for the advise. I will go sometime this am and get the right tools. Sounds pretty easy and as far as the fuel filter I will replace it also.

[Kachina26]

Don't use an aftermarket pump. I've replaced many a brand new aftermarket pump. Spend the money on a GM pump. Fits the way it should, plugs right in.

[Water Romper]

Don't use an aftermarket pump. I've replaced many a brand new aftermarket pump. Spend the money on a GM pump. Fits the way it should, plugs right in.
THIS IS A MUST :220v:
Pay the extra bucks and get an OEM pump, also, as stated on a previous post, once the new pump is installed, run the 'Burb for a day or so and then replace the in-line filter, you should be good for another 100k miles :)
FYI, I had a pump replaced by a pretty good shop, was over $500.00 for my 99 Z71. :cry: :cry: cry: I was traveling and had no option :cry: :cry: