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I just dropped the tank on my Lumina a few days ago. Don’t cut a hole in the floor, it’s really not that hard, just kind of sucks to reattach the vapor lines. In a nutshell… -there’s an exhaust heat shield that had to come off. -unplug 2 fuel lines, 3 vapor lines, the electrical connection, and two fuel fill pipes at the tank. -15mm bolts on the straps, and it comes down. It took me all of 10 mins to drop the tank. I’ve replaced the tank and fuel sending unit twice (from rust damage from sitting) and a third to reseal the sending/pump unit. Delphi pumps are good, but buy a GM fuel sending unit gasket. Don’t use aftermarket.

I've done it at least 4 times, maybe more. I'd recommend just dropping the tank. If the fuel pump still runs, I'd just use that to pump out the fuel to reduce the weight. Although if it were me, I'd invest in a fuel pressure gauge to make sure the pump needs replacing. Mine used to make loud howling sounds at half a tank and below, but it did that for over 12-years before I replaced it. No problem to do with just jack stands.

3100s were tougher. 94-95 3.4 DOHC still had socketed MEMCAL/PROM. 3100s on the other hand, I believe they were flash PCMs like the 96 OBD II PCMs. I don't know that anyone ever got into the flash PCMs.

Got ahead of the curve on this one. Last year I had my tired A/C Compressor swapped out for a new one. Bought an A/C Delco compressor new. Flipped the switch the first hot day around here a few weeks ago. Nothing. It was the "every year's plague" of re-filling the system with fresh R-134. Only this year this trick did not work. Nothing. Fortunately I have found a place that is willing to work on these 3.4 motors, a local Chevy Dealership with a mechanic that's got a 53 years experience track record who knows these motors. As usual I buck-shotted this repair, I sent the car in with a trunkload of NOS parts, even including another new Delco Compressor. Turned out the low pressure line and the valve was toast, major leaks. All is well (and cold) now, just in time for a long South Carolina summer. Which starts this week, going by the predicted temps. Looks like I get to put that New Compressor on the shelf for next time. And we all know that will be a next time down the road........

Like the title says, I am a new member now, but I was a fairly regular member here around 15-20 years ago. My screen name at that time was Regal_GS_1989. I originally owned an 89 Regal GS coupe, a 92 Cutlass International Coupe, and finally a 2000 Regal Sedan. Life got busy, I stopped posting regularly, and the 2000 was sold off about 10 years ago for something newer and more family friendly. Time has marched on, and I am now in a position where I have the time and resources to be able to own a “weekend” vehicle. As luck, or possibly fate would have it, this beauty quite literally fell into my lap at the perfect moment… A 92 Regal GS Coupe. Black, Grey leather interior, low milage, One owner, garage kept its entire life, ordered new with every option box checked off…save for the sunroof. It’s truly worthy of the term survivor, and it’s exactly how I would have ordered one myself back in the day. Gotta say…it feels sort of strange to be back here posting again about a 1st gen coupe…but I can get used to that I am also surprised at how many screen names I still recognize as well!