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    Flush OAT/IAT mixture

    Hello all. I'm getting ready to work with a mechanic friend of mine on replacing my intake manifold gasket, as I've had an issue with my coolant gunking up and rendering my coolant level sensor useless, as well as losing coolant over time. And potential performance issues as well. Of course...
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    gunk on coolant sensor?

    I recently had problems with my coolant light staying on despite my coolant level being high. I got a new coolant level sensor and it seemed to have worked for about a month. Then it would say "low coolant" until the engine warmed up. (I already bled the air out of the line). Now, it just says...
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    Undercarriage Rust Management

    Hey guys. So my Buick Regal is now "salvage" after a moderate bump by a truck slightly buckled a quarter-panel. So naturally, I kept the car, since like half the purpose of this (my first) car has been to DIY what I can and learn how to do things myself and when to know when to leave it to the...
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    AC Repair questions.

    I sent my car in to troubleshoot a growling noise the AC was making. After about an hour, they took me into the shop to show me what was going on. The low pressure side was too high, and the high pressure side was too low. And when the engine would rev, these would not budge. They said it was a...
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    Overfilled oil! Should I drain some, or redo.

    I overfilled my Regal yesterday. I didn't realize it at the time, because it looked like it was just at the full line. But when I checked it today, it was up well above the full line, and I noticed the occasional stutter of the engine, almost like a small misfire now and again. Anyway, I'm...
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    "Low Coolant" light doesn't vanish.

    I started getting a "low coolant" light lately. It disappears after a bit of driving. I was worried I had a leak of sorts, so I checked the level. It was fine. If not, too high. The obvious next step was that there was air in the system, so I opened the dribbler valve right above the...
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    Is running "Engine flush" before a change legit?

    I've heard of some sort of "engine flush" that you add to your oil right before you do an oil change. You're supposed to have the car warm, add the fluid, then idle for about 5-10 minutes. It's supposed to dissolve contaminates so they don't precipitate to the bottom or other surfaces. Are...
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    Real quick oil question.

    I'm due for an oil change on my 99 regal GS that specifies 10W-30 and is running 5W-30 I'm sticking with my brands of PurePlus Platinum and FRAM ultra synthetic filter. But between oil types and weights, what should I get? Regular Platinum, or High-Mileage platinum? (They have 5L jugs at...
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    12V source when car is running?

    I have a green Buick Regal. The one from my sig. So my lighting theme is based around green. I have all the interior lights replaced with LED, and most external lights except headlights and fog lamps. For the foot pedal wells (what is this actually called?), I have green lights that turn on...
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    Repair Molding, Trim, etc?

    On my Regal, I have the trim around the driver's side door becoming unclipped and also broken on the ends, so I can hear wind through the door when driving. The read driver's side door was apparently the same way, because the previous owner used gorilla glue to glue it on. And then on the...
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    Regal GS Totalled?! What next?

    So last week, I took a yellow light a little too hard, and was rear-ended by a truck about the size of an F-250. Took out a rear tail light and quarter panel. I took it into the body shop and they worked with insurance to assess the damage. They are saying the car may well be totaled, with...
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    Lower Viscosty: Less Cold Engine Wear?

    They say some ungodly percentage of a car's wear comes from driving while the engine is cool. The coolant heats up pretty quickly, but the oil is said to take much longer, and the thicker cool oil doesn't pump as well, causing limited protection against engine wear until the oil can heat up...
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    Is it necessary to flush all 4 brakes?

    I had my car taken in for a tire rotation, and they also checked the brakes. They said the rotors were worn down too much, so I went ahead and changed all my brakes and pads. They also said the brake fluid could stand to be flushed, but I had done that about 8 months ago or so when I replaced...
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    GM 3800 Recall. Also check Intake Gasket?

    There has been a recall of vehicles with the 3800 Series II engine, which is in my Regal. Something to do with a gasket around the valves that has been known to fail and drip oil onto the exhaust manifold and start an engine fire. I was wondering, since they will have to take the engine apart...
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    Where to place load resistors for LED lights

    I replaced all my interior lights, rear lights, turn signal lights, and cornering lights with LED's on me Buick Regal. (Not sure it is legal, strictly-speaking) But now I get a service vehicle soon light only at night. (Minus the fast flashing which I don't mind.) I bought four load resistors...
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    Things to look out for in DexCool coolant?

    I'm driving a 1999 Buick Regal GS with the supercharger. I got it at 113k a couple years back, and have since done all kinds of maintenance and repairs to keep it in top shape. However, I have done about 3 or 4 coolant changes since I got it, because the first time I did a coolant change, it...
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    87 Octane in a 3800 SC?

    My Buick (Posted in sig) has the 3800 supercharged engine. It recommends using premium gasoline. Online recommends premium gasoline to prevent knock and knock retard. So when I first got the car last year, I started running it on premium for a couple complete fills, then regular for a couple...
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    Is my supercharger working?

    I'm running my '99 Buick Regal with frest ATF and SC fluid thanks to the help from you guys at this site! I just have something I have been curious about. I can't tell whether or not my supercharger is performing its function. -I have never really seen my boost level change on my dash (the...
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    Should I change my ATF in 99 Buick Regal?

    Last spring, I bought my Regal GS at about 100,000 miles. One of the first things I did was change the oil and do a cooling system flush, and actually did both. I did so again in the summer after putting in more research into products. I did this because I wasn't sure when the last fluid change...
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    I got some Purple Ice. Should I add it in?

    I'm driving a 99 buick regal gs. Last time I did a coolant change (First time it had been done since owning the car), I noticed a ton of orange muddy buildup. So I did a flush using some Prestone radiator flush and a hose, then filled it back up with some distilled water and Dex-Cool coolant...
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