2 Questions

kssooner · January 10, 2007

I know the GM Tech is off for awhile but hopefully some of you can help me out.

Specs...2000 GMC Sierra 5.3 4x4 90,000 miles on it

1. I am pretty sure that the fuel filters are not in the tank. They are mounted on the inner part of the frame I think. Do I need a special tool to change my fuel filter. I know with my older farm truck (Ford) I need a special wrench or something.

2. This is probably unrelated to fuel filter. Occasionally when I am backing out of driveway or parking spot and when I put it in drive there is a hesitation. I give it gas and it almost acts like it wants to die. I just back off the gas for a second and then press it down and off I go. Doesnt happen all the time but several times a week atleast.

Any help would be appreciated.

jhm · January 10, 2007

I know the GM Tech is off for awhile but hopefully some of you can help me out.
Specs...2000 GMC Sierra 5.3 4x4 90,000 miles on it

1. I am pretty sure that the fuel filters are not in the tank. They are mounted on the inner part of the frame I think. Do I need a special tool to change my fuel filter. I know with my older farm truck (Ford) I need a special wrench or something.

2. This is probably unrelated to fuel filter. Occasionally when I am backing out of driveway or parking spot and when I put it in drive there is a hesitation. I give it gas and it almost acts like it wants to die. I just back off the gas for a second and then press it down and off I go. Doesnt happen all the time but several times a week atleast.

Any help would be appreciated.

<{POST_SNAPBACK}>

1)Yes, on the driver side frame. You should use a flare nut wrench for the fittings on the fuel line to avoid rounding off.

2) Could be a lot of things. Hesitation is sometimes a sign of dirty fuel injectors.

kssooner · January 11, 2007

bump...anyone else

downtheroad · January 12, 2007

bump...anyone else

<{POST_SNAPBACK}>

I had a 99.5 that I changed the fuel filter on and the hesitation went away. Very easy to do.

Giant · January 12, 2007

yup.. under driverside along the inside of frame on my 99.... didn't need any special toolsl at all. Just a couple open end/box end wrenches. Maybe different on the 5.3 and 2k and newer trucks... I'm a 99 w/ 5.7

-Robert-.

jhm · January 12, 2007

You can use open end/box wrench but a flare nut wrench eliminates any chance of rounding off the fittings. If that happens you will need to replace the fuel line. The wrenches are not expensive.

wct · January 13, 2007

I know the GM Tech is off for awhile but hopefully some of you can help me out.
Specs...2000 GMC Sierra 5.3 4x4 90,000 miles on it

1. I am pretty sure that the fuel filters are not in the tank. They are mounted on the inner part of the frame I think. Do I need a special tool to change my fuel filter. I know with my older farm truck (Ford) I need a special wrench or something.

2. This is probably unrelated to fuel filter. Occasionally when I am backing out of driveway or parking spot and when I put it in drive there is a hesitation. I give it gas and it almost acts like it wants to die. I just back off the gas for a second and then press it down and off I go. Doesnt happen all the time but several times a week atleast.

Any help would be appreciated.

<{POST_SNAPBACK}>

yes the fuel filter is on the left hand frame rail I rec. useing a 20mm on fuel filter, and 16mm line wrench on the line, if the filter has'nt been replace in a while you may want to spray the fittings w/a good pentrate. note: fuel may spray out of lines when you brake them loose, so you may want to remove the fuel pump relay and the start the engine until it dies. you might check the fuel pressure regulator for fuel leaking in to vac hose for your hesitation concern, It's located on the drivers side, on the fuel rail apox. center of the rail, remove the vac line and cycle the key a couple of times and see if fuel is leaking out, it should be completely dry.

ChevyTech007 · January 13, 2007

Clean your throttle bore and plate also. It's probably whats causing the problem.

KB06YUKONXL · January 13, 2007

The filter is on the frame. Easy to change but use some liquid wrench or pb blaster first like the other guy said. You will get fuel leakage no matter what you do. I change that filter every 30k. because Ohio has no State gasoline standards so we get everbodys junk gasoline here. Run some techron through your fuel system as well.

Z71Rider · January 14, 2007

I'll reiterate what the one guy said, and add some more....

Be sure to bleed the pressure in the fuel line before popping that line loose. If you do not, you will have gas all over you and everywhere else! Just don't, under any circumstance, do that without bleeding the pressure. Pop the fuel pump relay out...it's in the fuse box under the hood on the drivers side (I think). The box has a label on the lid, or something to identify it. Simply take it out (with the egine off), start it up and let it die...then crank it for about 2 seconds. Now, no fuel pressure.

When you pop the filter off, I'd still have a towel and make sure I wasn't right underneath the filter, and wear safety glasses...gas will still come out, but at just a dribble. No special tools required...piece of cake job!

Also, go get some Mecury QuickKleen, marketed by Mercury Marine, or some Sea Foam. It's basically the same stuff. I use The QuickKleen, which you can get online or at a boating place. Pour that stuff into the gas tank...and viola'! Clean injectors! It's the best stuff I've ever found for this job. I use it in my Merc 200 EFI and my 02 Silverado. It will even improve your gas mileage if your injectors are dirty.

Let us know how it went.