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  1. Vacuum Modulator retainer/clip part # for 4T60-E transmission

    Hello , I am looking for part # for metal retainer/clip that holds vacuum Modulator (for 4T60-E transmission). Regal LS 97 3.8L V6 series II. There's a bunch of such retainers for TH400 transmission (on ebay, is it also GM?) and none listed for 4T60-E transmission (not even without "-E"). Does...
  2. Difference Upstream & Downstream O2 sensors (Regal LS 97 V6)

    Hello, Is there any difference between Upstream and Downstream Oxygen sensors in Regal LS 97 V6 series II 3.8L? For example I'm planning to order online Spectra Premium Oxygen Sensor OS5046, there's no upstream or downstream specification in description. I need to replace downstream oxygen...
  3. Need help identifying part (Regal LS 97)

    Hi, What is correct/catalog name for the part with bolt surrounded in red on the photo? (its driver's side (front), this bracket is bolted to transmission side cover). This is Regal LS 97 3.8L. I am trying to find part # for this bolt. Checked all pictures on www.wholesalegmpartsonline.com - no...
  4. Parting out Regal LS 97-98? I buy parts! (Grand Prix/Intrigue/Century may work)

    Hi, I am looking for a number of parts for Regal LS 97 V6 non-supercharged 3.8L. Some parts from Regal LS 98 or 97-99 Grand Prix/Intrigue may fit too. Sorry if this is off-topic here, not sure which section is best to post. Need shipping to California (parts are small/lightweight, we could...
  5. Is there Ignition Timing adjustment in Regal 97 (V6 3800 Series II)

    Hello, Is there manual ignition timing adjustment (ignition angle) in Regal LS 97 3.8L non-supercharged (engine V6 3800 ?Series II?)? Since there's separate ignition control module, which seems to be purely electronic, this makes me think that there's no manual ignition timing adjustment at...
  6. Regal LS 1997 P0122, P1222 codes, PCM replacement

    Hello, I have P0122 (Throttle position sensor circuit low voltage), P1222 (Throttle position sensor circuit low voltage) codes in Regal LS 1997 V6 3.8L that appear right after erasing codes. Throttle position sensor just installed brand new, TP sensor wiring is checked for with multimeter - no...
  7. For Sale Selling Buick Regal LS 3.8L 1997 with lots of new transmission and other parts AS IS

    It has a lot of new parts: brand new alternator (and have another alternator for it, still working), new radiator (and recently replaced all coolant hoses), new left and right control arms, new wheel bearings, new ACDELCO ignition wires, new Iridium ACDELCO spark plugs, new engine oil and...
  8. Towing non-working Regal LS 1997 V6 (broken transmission)

    Hello, I need to move non-working Regal LS 1997 V6 (I am doing some work on transmission, and most transmission parts are out) for about 150 miles. Its front drive car. I will rent U-Haul truck anyway and planning to rent tow dolly also, but don't know how to put this car on a tow dolly...
  9. Regal 4T60e 4th Clutches replacement (transmission)

    Hello, I am doing some work on transmission in Regal LS 1997. Its 4T60e transmission. Since I had to remove channel plate, I would like to replace all 4th clutch plates and friction plates. I measured thickness of current steel plates: 2 steel plates have .0149 inch 1 steel plate .092 inch...
  10. Torque clutch solenoid replacement (transmission)

    Hello! I need to replace torque clutch solenoid in Regal LS 1997 3.8L V6 (got P1870 code). As far as I understood from videos, it is enough to remove side cover from transmission, and the transmission doesn't need removal. Is this correct? I would like to replace everything (in transmission)...
  11. OEM/Best Spark Plugs for Regal 1997 3.8L

    Hello, I am looking for best spark plugs for Regal 1997 3.8L for emissions test. As far as I understood its better to get spark with the same part # as OEM. And even if they are the manual also says copper, they will be better (or at least the same) for emissions as double platinum/iridium...
  12. Power Stearing leak

    Hello, Car Regal LS 1997 3.8L. I've got strong leak from the part shown on the photo (leak place circled). I believe its power steering part, cause the color is exactly the color of fluid I put into power steering. Its leaking from inside that plastic cover (pretty sure its from inside). Whats...
  13. Sensor on top of engine

    Hello, What sensor is on the left side (passenger side) at the very top of the engine, on opposite side of engine from MAF sensor side? Its on the middle ?intake manifold? (black color) Thank you.
  14. Power Steering flush. Filter installation

    Hello, I am replacing power steering pump and need to do flush. Car Regal LS 1997 3.8L series 2. There are instructions for flush in GM book, but I don't know what hose is return hose. Which hose is return hose? Also going to install steering filter, need to know fluid direction for this...
  15. Front Axle nut size Regal 1997

    Hello, Car Regal LS 1997 3.8L Whats the socket size for the nut on the front axle (the large nut that holds hub/bearing assembly on the axle)? I tried 32 and 34mm sockets and both are too small. Car doesn't work, so cannot just take it to parts shop. Tried to measure it with caliper (cannot...
  16. Noise from power steering system

    Hello, Car is Buick Regal LS 1997 3800 engine not sure which series. When car is started from cold (warm outside ~65F) there's strong noise which is definitely related to power steering system. Noise seems to come from 2 places: both left (there's belt on it, P/S according to the belt scheme)...
  17. Towing Regal LS 1997

    Hello, I will likely need to tow Buick Regal LS 1997 3.8L for over 2000 miles. It has automatic transmission. Which transmission position is best for towing if I use a tow dolly 2 wheels only (it says for front wheel drive vehicles), such dolly is much cheaper than others. Does my car have...
  18. Reducing CO(2), Emission,Catalytic Converter

    Hello, Car is Buick Regal LS 1997 3.8L, w/o supercharger with 172K miles I need to reduce CO, CO2, HC etc emissions to a minimum to pass SMOG test. As far as I know max CO emission allowed 2.5% at idle. Is it even possible with such an old car? This is what I've replaced recently: 1) Oxygen...
  19. Tie Rod End replacement

    Hello, I replaced outer tie rod end (metal pieces that rotate wheel) on both sides (Regal LS 1997) about 17K miles ago (used cheapest ACDELCO), but the protecting rubber is damaged (cut around the middle) on both sides. How often do you replace these? How often do you replace INNER tie rod...
  20. Radiator Replacement Regal LS 1997

    Hello, Car is Buick Regal LS 1997 3.8L engine. My radiator leaks antifreeze and needs replacement. Do I need ramps to replace it? Asking cause I don't have ramps nor other ways to raise the car. How long does it take to replace the radiator? Any special tools needed? What parts do I need to...
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