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Fuel filter and line replacement.
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plumerjr
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PostPosted: Sun Jul 09, 2006 2:04 pm    Post subject:  Fuel filter and line replacement. Reply with quote

I recently discover a fuel leak at the connection from the filter to the engine. The line is rusted so obviously it needs replacement (and filter while I'm there). My question would be is the the fuel line a dealer type item pre-bent possibly with fittings(I know a lot to hope for)? Or do I have reattach fittings,flare ends etc. Of course this would explain my poor gas mileage and poor starting as of late. Thanks for the info ahead of time.
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VIKING
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PostPosted: Sun Jul 09, 2006 6:08 pm    Post subject:   Reply with quote

model year and engine , please

FIRST, Leaking gas is very dangerous AND should be repaired

From when i rpl my fuel filter, i think that lineto the engine is nylon and slightly flexible, all the lines can be purchased from GM. or on the net at GMDIRECT
http://www.gmpartsdirect.com/
i do not even look up the part , i just email, you heve to email anyway to have them verify. I found the parts about a third less then the dealer and that is with shipping.

That is a lot of work to replace the line from the filter to engine. This is in ref to a 3.4L .
remove air cleaner duct
i think you have to remove the master cylinder , maybe not
releive fuel pressure, if not you may get a squirt for a few seconds, you be the judge. try to clean all dirt off around connections. you have quick disconnect fittings.i think you have to disconnect the quick disc on the evap.
lift vehicle. fuel fiter diconnect. at the fuel filter the other side has a nut on the line, USE A FLARE NUT WRENCH and a back up wrench. i think the flare nut was 15mm and the back uo wrench was 20mm .... not sure though.
cap off the line goig to the fuel tank from the filter.
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plumerjr
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PostPosted: Sun Jul 09, 2006 11:54 pm    Post subject:   Reply with quote

My bad as the saying goes. Mine is 2000 LS with 3.8 V6. It's actually a stainless steel line from the engine to the filter. For some reason that one is very rusted(though the other along side of it look quite fine) right where the connection is. Yes I do plan on fixing it ASAP. Thanks for the link I'll check them out.
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PostPosted: Mon Jul 10, 2006 12:07 am    Post subject:   Reply with quote

Stainless steel, i thought they used nylon for both base models.
maybe the fuel lines are aftermarket.?
for 3.8
remove:::
cross vehicle brace
fuel pressure

clean connections
discon fuel feed and return in engine comp
unclip fuel lines from retainers
raise vehicle
disc fuel return and EVAP pipe
fuel filter do not forget the bu wrench

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PostPosted: Mon Jul 10, 2006 9:09 am    Post subject:   Reply with quote

You should be able to order the fuel line from the dealer's part department. And I Don't think the line is stainless, because if it was it wouldn't be rusted. Most fuel lines are just metal and they will rust. I can't find a listing for the fuel line on Autozone or Napa's site. But I am sure the dealer can get it and it will probably be pre-bent. Very Happy I know ZSPOT will be able to check and even give you a part number. Very Happy

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plumerjr
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PostPosted: Mon Jul 10, 2006 12:12 pm    Post subject:   Reply with quote

I checked out GMDirect website and believe I found it. I emailed them to confirm the part numbers as they only indicate right or left fuel rail and at about $75 (give or take I don't have exact figure infront of me). I'd like to make sure I've got the right part if you know what I mean.
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PostPosted: Mon Jul 10, 2006 12:49 pm    Post subject:   Reply with quote

That's what I do and save the confirm email just in case.

don't forget your fuel filter

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PostPosted: Tue Jul 11, 2006 12:17 pm    Post subject:   Reply with quote

I just got off the phone with the dealer and they had to special order it and I should have it by Friday. Looks like I have my weekend planned out,lol. The part # if anyone is interested is #15279854.

Also GmPartsdirect finally got back to me. Comparison:
Local Dealer: $83.30
GM PartsDirect: $49.38(GM List $83.30) + S&H $55.86 = $105.84

I had already ordered it from the dealer anyway. Considering what the item is I'm not surprised by the shipping cost.
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PostPosted: Tue Jul 11, 2006 12:46 pm    Post subject:   Reply with quote

Quote:
S&H $55.86

Sad Thats a bummer , i guess it costs to ship it , it is probably oversize

Usually the parts i buy are about a third less then the dealer, with ship included.
They have the stock tires that came with my car for $65, i wonder how much the shipping is. I still have the original tires on my car, 71K , I think they may make it to 80K.

what are the lines made of ?
the female ends have an "o" ring inside, so you should put a drop of clean engine oil on the male part of the line

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PostPosted: Tue Jul 11, 2006 2:20 pm    Post subject:   Reply with quote

That was my guess that because it's an oversized item it cost so much. On another note someone mentioned flarenut wrench's. My question would be metric or SAE? Also is there another method(safe) of relieving pressure in the system. My Haynes manual recommends using a fuel pressure tester with a relief valve.
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PostPosted: Tue Jul 11, 2006 2:25 pm    Post subject:   Reply with quote

GM uses quick-connect fittings for most of their fuel line connections...

You need a special tool to remove them...

A fuel gauge with a relief valve is the best way to relieve the pressure

BBEngineer

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PostPosted: Tue Jul 11, 2006 2:41 pm    Post subject:   Reply with quote

me wrote:
you have quick disconnect fittings.i think you have to disconnect the quick disc on the evap.
lift vehicle. fuel fiter diconnect. at the fuel filter the other side has a nut on the line, USE A FLARE NUT WRENCH and a back up wrench. i think the flare nut was 15mm and the back uo wrench was 20mm .... not sure though.
cap off the line goig to the fuel tank from the filter.


bbengineer wrote:
A fuel gauge with a relief valve is the best way to relieve the pressure


Thats the way I do it , and i stated that on another post and had a lot of ppl tell me , no i just threw a rag around the connection, so i tried it and not much gas came out. I thought maybe to maybe to cautous, so i intended to include to use the recomended gauge o r the rag you be the judge, the guage part never made it.

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PostPosted: Tue Jul 11, 2006 10:51 pm    Post subject:   Reply with quote

It's amazing how GMpartsdirect is high on their shipping. Very Happy But I suppose they have their reasons. Very Happy And it's the same with the dealerships. You can go to any three or four dealerships all within a short distance of one another and none of them are the same price on the same part. Very Happy And when i couldn't find the fuel line listed on most of the regular auto parts store sites, Autozone, Advanced Auto and Napa. I figured it was a dealer only item. Very Happy

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plumerjr
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PostPosted: Wed Jul 12, 2006 2:30 am    Post subject:   Reply with quote

bbengineer wrote:
GM uses quick-connect fittings for most of their fuel line connections...

You need a special tool to remove them...

A fuel gauge with a relief valve is the best way to relieve the pressure

BBEngineer


Any idea where I could find this special tool to disconnect the fuel lines?
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PostPosted: Wed Jul 12, 2006 8:20 am    Post subject:   Reply with quote

I know you can buy them at Napa. But I would assume any really good auto parts store would sell them. Autozone has a tool loan system where they loan special tools out. But again I am not sure if that is one of their tools. And they didn't have them for sale on their site. Confused Anyhow here is a link from Napa's site. But you can usually go into any Napa and get these tools right away. They have two different styles, take your pick. Hope it helps. Very Happy

http://www.napaonline.com/mast.....;VehCode=N

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