Time to change out fuel pump, 98 gmc safari, product advice

Time to change out fuel pump, 98 gmc safari, product advice

Postby rollinhome [OP] » March 10th 2011, 7:49pm

I have been on here, struggling with, at times, a loss of power. through discussion here and further diagnostics:pump pressure (52 at idle), other tune up attempts and more. I have decided to pull the tank down to check for something at times clogging the pick up screen. While the tank is down, i will replace the pump, air out lines to relieve any blockage. Is there a pump that has proven reliable.

thanks, ray
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Re: Time to change out fuel pump, 98 gmc safari, product adv

Postby paintdrying » March 10th 2011, 8:15pm

Almost everyone here will tell you ac delco only.
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Re: Time to change out fuel pump, 98 gmc safari, product adv

Postby RECox286 » March 10th 2011, 11:29pm

Delphi and A/C Delco are the OEM parts for these vehicles. I have nothing against using those, however I have always gotten the Airtex brand, which is what my LAPS carries, and I have never had cause to complain.
Beware of the cheaper brands, especially if it has "Made in China" on it. (You pay for what you get and get what you pay for.)
Make sure to change both the in-tank filter, and the in-line filter when you change the pump.

Bob
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Re: Time to change out fuel pump, 98 gmc safari, product adv

Postby rollinhome [OP] » March 11th 2011, 6:40am

Thanks all, I would typically have my mechanic complete this work though he let me down getting this condition diagnosed correctly, which caused loss of time with the van and loads of extra money. this has been a good van and i like to travel in it so
i will feel better once things are working reliably again.

so, i will follow the thread on this site for tank and pump removal and the advice to change out the inline filter, doing the repair my self.

ray
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Re: Time to change out fuel pump, 98 gmc safari, product adv

Postby rollinhome [OP] » March 11th 2011, 7:22am

So most here are using the OEM ac delco pump cartridge. Is there an online source that most use. I am seeing pricing from 280.00
to 380.00. Locally, advance auto carries the ac delco at a reasonable price.
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Re: Time to change out fuel pump, 98 gmc safari, product adv

Postby Gary » March 11th 2011, 7:28am

Delco only.History and reliability is the answer for why.I have a Airtex and nothing but regrets.Come further into spring I am going to take a running van and drop the tank to remove it and replace it with a Delco.Then create a new sport.How far can I throw the Airtex??. :2:
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Re: Time to change out fuel pump, 98 gmc safari, product adv

Postby rollinhome [OP] » March 11th 2011, 7:47am

and a weighted rock to the airtex pump n it will go further. so, what is that cab and chassis rv in your response.
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Re: Time to change out fuel pump, 98 gmc safari, product adv

Postby Gary » March 11th 2011, 9:28am

It is a Chevy and a 81 Winnie.
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Re: Time to change out fuel pump, 98 gmc safari, product adv

Postby Leeann_93Leeann_93 is online! » March 11th 2011, 11:01pm

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Re: Time to change out fuel pump, 98 gmc safari, product adv

Postby rollinhome [OP] » March 24th 2011, 4:36am

what is the part number for the fuel pump. I have a 98 gmc, v6 vortex eng. getgmjparts.com, does not have a listing for parts number though i may have missed it. I tryed reaching them by phone though i always end up at their voicemail with no one returning my call.

r
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Re: Time to change out fuel pump, 98 gmc safari, product adv

Postby Matrixx » March 28th 2011, 8:05am

ACDELCO Part # MU1782
DELPHI Part # FG0068

Information was gathered from here:
http://www.rockauto.com/catalog/x,carco ... ttype,6256

As for Airtex pumps? I'll keep my comments to myself on this one and suggest you do a site search for "Airtex" to find out the real scoop is on this sorry excuse of a pump it is.
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Re: Time to change out fuel pump, 98 gmc safari, product adv

Postby Gary » March 28th 2011, 8:21am

The short version on Airtex.They are pcs of crap that sucks.
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Re: Time to change out fuel pump, 98 gmc safari, product adv

Postby Matrixx » March 28th 2011, 8:38am

Hehe, well I'm glad you said it and not me Gary.:)
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Re: Time to change out fuel pump, 98 gmc safari, product adv

Postby rollinhome [OP] » March 28th 2011, 4:20pm

thanks guys, it is warm enough in chicago for me to do this work in my unheated space. so, i am going get it out and see what it looks like.
I have heard that the wiring harness is a major problem with these and have seen them burned at the connector in the scrap yard. is it unreal to think that this may be, at times, the only repair to make when the connector is found to be melted or is it wise just to replace the pump, in view of it's age, with the upgraded harness and be done with the extensive labor. the later is how i am leaning.
It sounds like guys are fabricating the strapping. i have access to some stainless and have not seen a price for tank strapping
so i don't have a thought on this part of the work yet.

r
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Re: Time to change out fuel pump, 98 gmc safari, product adv

Postby Gary » March 28th 2011, 6:49pm

rollinhome wrote:thanks guys, it is warm enough in chicago for me to do this work in my unheated space. so, i am going get it out and see what it looks like.
I have heard that the wiring harness is a major problem with these and have seen them burned at the connector in the scrap yard. is it unreal to think that this may be, at times, the only repair to make when the connector is found to be melted or is it wise just to replace the pump, in view of it's age, with the upgraded harness and be done with the extensive labor. the later is how i am leaning.
It sounds like guys are fabricating the strapping. i have access to some stainless and have not seen a price for tank strapping
so i don't have a thought on this part of the work yet.

r


It is the chicken or egg question.IF the wire harness is melted,is that happen as a result of a short in the harness OR the pump heating up and failing??.Do reread my post about the internal wire harness.These pumps rely on the fuel cooling the pumps.It is not a good idea to let the fuel level get below 1/4 tank because of that.
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Re: Time to change out fuel pump, 98 gmc safari, product adv

Postby Leeann_93Leeann_93 is online! » March 28th 2011, 10:43pm

Yup, if the wiring harness is melted, you can be sure the pump is damaged. Whether the melted wiring harness caused the pump damage or a dying pump caused the melted harness, we'll never know.

But I'd never replace one without the other.
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