'87 LeSabre 3.8 - Fuel Pump Issues? - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 02-12-2013, 08:56 PM   #11
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Well, either way, your dropping the tank to remove the pump. Once the pump is out, then you can determine which one you need.
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Old 02-12-2013, 09:53 PM   #12
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Yeah... It simply doesn't make sense to me to ORDER and PAY FOR both pumps, wait for them to come in, drop the tank, make the repair, and then have to deal with an auto parts place that wants to give me a hassle (and ultimately refuse) to return an "electronic component." They sold me wrong wheel cylinders, when I told them at the time they were wrong, they argued with me that the style had changed... Lo and behold, I install them, and then have to pull them because they're wrong! And they refused to take them back, because they had been installed. Effing idiots...

Not to mention the three or four half-hour trips to the parts stores... One of which (rhymes with Dead Pants) frequently can't get parts I need, or gives me the wrong parts (see above), and the other (rhymes with Lotto Tone) has a definitive history of selling used sensors and ECMs as brand new.

Meh, oh well, there goes two weeks' pay (I only work 20-24 hrs a week). Gotta do what I gotta do, I guess. LOL

Thanks guys for all your help though.
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Old 02-12-2013, 10:01 PM   #13
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I meant to remove the pump first, then take it in to buy the pump. That way you can match it up to make sure you have the correct one.

If money is tight, I suggest not touching that fuel filter. Being in CT, your whole undercarriage is pretty rusty. Unless your fuel lines were replaced last year, you could accidentally break a line while removing the filter.
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Old 02-12-2013, 10:18 PM   #14
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Yeah, when I got the car a week after Hurricane Irene, I had to do brake lines and fuel lines. Most of my fuel line has been replaced (at least the run between filter and D/* front wheel). I know the filter is original, and I have no issue or hesitation replacing that. I'm somewhat -retentive when it comes to repair, I prefer to to do it the right way the first time.

Only concern is that curly-cue idiotic fuel line piece that attaches outlet-side on the filter. When I changed out the leaky section, I simply cut as far forward as possible, which of course is on a curve... But I want to change that out too, because all I see is a potential leak.

The other minor issue is how many days I'd have to wait, with my gas tank on the ground, for the part. Ordered parts usually take 5-7 days to get through the chain stores. And then again, if it'* a BWD part, I'll be back in a week for a replacement (6 MAF sensors in 3 weeks for the Intrigue, until I paid more for another brand... 28 days on oil pressure gauge sender in my '88 Cutlass Ciera... 3 days on the PNP switch in the Ciera... I boycott BWD parts now.)

I was secretly hoping I could cheat, at least for a week or two, by adding on an external pump. LOL Or at least identify the part without having to dig up a massive area of snow so I can get the car up in the air first. Oh well, it is what it is.
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Old 02-12-2013, 10:32 PM   #15
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No such thing as an easy job
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Old 02-12-2013, 10:58 PM   #16
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Amen to that!
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Old 02-13-2013, 08:21 PM   #17
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I have always wondered if those inline fuel pumps that you see on the shelf at AZ would work in a pinch??
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Old 02-13-2013, 09:21 PM   #18
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Yeah, me too. It would be easy enough to add it in, simply run a fused wire off the main F/P relay and slap it in there just after the filter. Theoretically a done deal.

I have logged quite a few internet miles today, found a website that was more detailed and actually separated the fuel pumps between the 3.8 MFI and the 3.8 SFI (I have the SFI) even though the VIN code is the same for both motor... Apparently it was a mid-year GM thingy, which I've bumped into before.

Anyway, I found two separate pumps for the car - standard duty and heavy duty, ranging $60 to $80 - not bad - and it'* probably obvious which way I am leaning on which one I want. I have a choice of 102 liters/hr @ 50 psi (standard duty) *or* 255 liters/hr @ 43 psi.

In my mind, I prefer the heavy duty model... Just like oil, I'd rather have higher volume than pressure.

Does anybody know what the "CPB and CPC Sender Harness" is?

Oh, General Motors, I love you guys, but seriously... Sometimes you make it so darned impossible to fix anything!!! I'm a "drive it and fix it until it can't be fixed anymore" type of guy, I don't just throw cars away...
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Old 02-13-2013, 11:43 PM   #19
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Whats the other website with this info? It would be nice to have on the forum for future reference and I would personally like to know because I tried researching this for you yesterday and couldnt find it. Darn near drove myself nuts....nuttier.
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Old 02-14-2013, 09:06 PM   #20
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Lightbulb Fuel-Pumps.net

Derek:

Fuel Pump Lookup from Fuel-Pumps.net

This is the website I found, and within it I put the usual (year, make, model, etc.) and when it came to the engine type, I entered "SFI" as I have that purdy little red circle that says "Sequential Fuel Injection" on my plenum. That was a fantastic relief, saves me a few trips back and forth to the parts stores.

Being from CT as I am, have you heard those radio ads for O'Reilly'* Auto Parts? They don't have any within, say, a few hundred miles of us. :-/ Yeah, I know, totally unrelated thought, but considering my questionable history with the two major chains around, I have wanted to take my business elsewhere... But just like Wal-Mart, the (monopolies) chain stores are all we've got.

Due to time constraints, I think I'll have to just buy the mid-range fuel pump from one of the chains. Fortunately/unfortunately for me, I got extra hours at work. Fortunately, because I need more than 20 hours, unfortunately because that, and sleep, takes up most of the time in the day. LOL

Payday tomorrow...
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