Top 10 1997 Buick LeSabre Questions & Answers

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Car shuts down while driving

My 1997 buick lesabre shuts down while driving. I cannot get it started again at the time. If I leave it sit for an hour it will again start and run. I changed gas filter and it still happened. Took it to a garage and they cant find anything wrong with the car. I drove itagain and the same thing happens every day or every other day. Please Help.

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It is very likely the part that is giving you the problem is a Crankshaft Position Sensor, they go open circuit when they get hot, then after it cools it becomes a good circuit again, this is very frustrating, had the same issue with my Buick a few years ago, replaced the coils and the ignition module at a cost of hundreds, DID NOT CHANGE A THING, the crank sensor fixed the problem and was $30.00 from Buick.

Posted on Oct 13, 2008

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1997 Buick LeSabre Limited, location of power steering reservoir

I can't locate where the power steering reservoir is, I've been checking online and under the hood for hours. There is nothing even remotely like this on either the driver's or passenger side of the vehicle. There are, however, access panels blocking the view of just about everything. I may very well just go ahead and purchase the shop manual, since this is my in-law's vehicle and their owner's manual was lost years ago.

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If you are looking at the engine, on the left (passenger side) will be the belt. The alternator should be at the top of the belts route. directly below the alt is the tensioner/pulley (small) Below and to the rear of the vehicle is the power steering pump. The resevoir is attached to the pump. If you reach/look over the engine and feel below the heater hoses you will see the p/s pump resevoir cap(kinda hard to see/feel)

Posted on Dec 28, 2008

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Rain water leaking into passenger compartment, 1997 Buick Lesabre

When I bought used 97 Buick Lesabre in Dec, 08, there was water soaking the floor carpets, front and rear. It seemed the problem was more on the left (driver's) side. There was no smell of anti-freeze and there is anti-freeze in the cooling system.

I wet-vacuumed out about a quart of water. The trunk mat was damp.

I have found that the driver's seat belt buckle could sometimes flop into the doorway, when closing the driver's door, causing the door to remain partially ajar. I have tried to be careful to prevent that, since I noticed that problem.

I got the floor carpets mostly dry, but then it rained again for several days.

I found the rear parking/running light assembly had a wire shorting to the inside of trunk lid on left (driver's) side. The molded rubber gasket that leads the lighting wires safely through the inside trunk lid had been displaced, resulting in occasional shorting and the possibility of rain getting into trunk in small quantities, through the un-gasketed 1 inch diameter hole in the trunk lid, behind the light assembly. I reseated the rubber gasket.

We had several more days of rain, and more water soaked the floor carpets, mostly on the driver's side. The amount was less than previously.

Today (Jan. 09), I found the left (driver's) side plastic windshield molding that goes vertically down the left edge of the windshield had been dented in about 3/8 inch, for about 2 inches of its length near the bottom. (I suspect a tree branch had fallen on it.) The result of the dent was a space where the overlapping outside door weatherstripping did not seal well against the molding for about 2 inches.

I removed and pushed out the dent as much as was practical, then re-installed the molding. The overlap weather seal is much better, but probably not perfect.

I see a section of about 3 inches of the interior door-jam rubber weatherstrip molding has worn away (or been torn) leaving about a 1/4 inch by 3 inch hole/tear in the rectangular-cross-section of the weatherstrip on the driver's side, near the locking striker. There is a similar, but smaller, tear in the passenger's-side door weatherstrip. How might these holes/tears be patched?

What suggestions can anyone offer for curing the water problem leaking into the passenger compartment? Are there any known problems with this 1997 Buick Lesabre model, which could account for the rain-water leakage?

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I have exactly the same problem with the same car. Previous owners garaged it and barely drove it. Now that it's parked in my driveway in the rainy Northwest, problem is a lot of rainwater pooling in the rear foot area, drivers side only.
No moisture at all on the passenger side, front or back. And none in the driver's feet area. Just the back seat, driver's side. No antifreeze smell, etc. And this is a problem when the car is parked; it's not water coming in from underneath or rainwater being driven into the car through gaps while driving.
I found two cracks in a part that I believe is called the "eavestrough." It's a single black plastic piece of molding that is screwed against the body over both doors. This seems to be a common problem -- I went to a local junkyard, found the same make, model and year of car and the plastic molding was cracked in exactly the same two places as on my car. Even with all the screws snugged, it's still a pretty loose fit, with gaps that could easily let water drip down.
After pulling off several pieces of molding and trying to figure out what's going on, here's my suspicion: Water is dripping through the eavestrough and, on the outside of the car, down the column between the two doors.
Normally this would not be a problem. But I noticed that there was a little gap between the car body and the strip of rubber molding that runs on the car body underneath both doors. When I removed this molding (it's screwed on and very easy to remove and reinstall with a 7mm nutdriver), I found that water was getting underneath the molding.
But here's the really odd thing: In addition to the screwholes for the screws holding that bottom molding on, there are three larger holes drilled into the car body underneath that molding. It was apparently made that way (the holes are painted). I'm completely mystified why Buick would leave holes in the outside of a car body like that. They're clearly not drain holes.
My best guess is that that's where the water is getting in. It runs down the pillar between the doors, pools on the rubber gasket/molding beneath the door, and then drips right into the car body through one or more of those holes. The area behind the driver's seat just happens to be the closest, lowest point in the car, so the water pools there.
Today, I sealed everything with a good, clear silicone sealer. Sealed all the gaps in the eavestrough, plugged those three exterior holes under the molding, and added a bead of sealer to the gasket below the door. For good measure, also put a squirt of silicone in every screw hole before reinstalling. I wet-vacced the carpet, which I'm trying to dry as quickly as possible.
If this doesn't work, I'll post more about next steps.

Posted on Nov 01, 2009

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1997 buick lesabre has intermitant speedometer/odometer

Sometimes the speedometer/odometer quits working while the car is in motion, then will return to working at some later point. Sometimes it won't work at all if the car is not idled for a couple of minutes upon start up. Local garage did computer diagnostic while the speedometer was acting up. No codes showed up. However, the tech. noted the the wheel speeds all gave a good read out, but the vehicle speed read read out was "0" while the car was in motion. (?) I should also note that the tackometer is irratic upon initial start up and then settles out. The car runs beautiful despite these guage problems. Do you have and info as to what repair needs to be done?

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Possible ground wire fault with dash board unit. If it is a cable operated spedo, the cable end (small square cap) may be rounding off on one end.

Posted on Jul 04, 2008

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How many quarts of transmission fluid does it take

How many quarts of transmission fluid does it take to fill after changing the tranny filter?

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All depends on how much you took out - or how long the vehicle was sitting (allowing time for the torque converter to drain more fluid into the pan)

Typically, 4 quarts is about average for a filter change. Your transmission holds much more than that(up to 11 quarts), but the rest is in the torque Converter.

I would start with 3 quarts first - then start engine, and check your level. If you see nothing on the stick, turn the engine off right away - and put 2 more in. Same procedure.

Just remember to keep the vehicle on level ground when filling and checking the level with the vehicle running and in park.

Once it shows on the full line, cycle the transmission selector through all gears(no need to move the vehicle). Check your level again after that to ensure the proper level.

Good Luck

Posted on Oct 25, 2010

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1998 buick lesabre wont start security light flashing

1998 buick lesabre wont start security light flashing

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The security light is a visual indication that something in the car's antitheft system is failing. In most GM cars and trucks there is a hidden system that most people are unaware even exists. From the moment you put your key in the ignition, there begins a constant line of communication between your key's security chip or transponder, to the ignition's lock cylinder, and then to the car's TDM. These 3 parts are in CONSTANT communication. If the key is in the ignition, these parts are sending signals to each other. The security light illuminates when that signal gets broken, even just for a second. When the signal breaks, the car goes into antitheft mode. The car thinks its being stolen or hotwired because it is not getting that signal from YOUR specific key. There is where the security light turns on and shuts down your vehicle.
http://vatspasslockpasskeysecurityhelp.yolasite.com/

Posted on Jan 10, 2012

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1997 Buick Lesabre Water Pump problem

water pump on m 97 lesabre is busted and i need instructions on how to remove and replace it

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THE POWER STEERING PUMP PULLEY --- ARRGGH...Not a problem. The power steering pump is held by two bolts. Use a socket and remove the top bolt and loosen the bottom bolt. Be careful not to completely remove the bottom bolt. The PS pump will loosen up enough so that you can push it towards the firewall and you will JUST have enough room to remove the waterpump bolts. Its tight but it will squeeze out.

Posted on Dec 16, 2009

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To remove radio on a 1998 Buick LeSabre describes

To remove radio on a 1998 Buick LeSabre describes removing a plastic wood strip in middle of dash. It does not however, explain how to remove this trim strip.

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I have a 1995 and 1999 LeSabre and the radio removal is the same on both.
1. Carefully remove the AC vents from the dash.
2. In each of the AC openings are screws that hold the top of the dash trim in place.
3. Starting from the passenger door gently pry off the "wood" trim piece, It is held in place with metal clips and velcro.
4. Do the same as 3 from the driver side (short piece).
5. Remove the remaing screws from the bottem of the dash.
6. Move the Shift knob (requires key) all the way down.
7. Starting at each end of the dash slowly pry/pull each clip along the top of the dash from its mounting hole. Be careful not to crack the silver trim piece on the top of the dash (especially on top of the passenger airbag).
8. When the dash is free tilt the top in towards the car and wiggle it loose around the bottom (over the steering column) and the whole piece should come free.

This gives access to the radio, heater controls, speedo etc.

For the radio - three screws - antenna cable pop out. The harness needs a little more work. If your radio has a security feature (blinking light when car is off) make sure you know the security unlock code. Test the code before pulling the power to the radio.
Turn the radio over and carefully unlock the blue clip at the bottom of the plug. Then work the harness loose.
This sounds much worse than it is - it should take 15-30 minutes depending if you have all the tools close by. BTW those AC vents have a top and bottom - the larger hole goes on the bottom and they snap back in place.

Posted on Jul 25, 2009

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looking for belt diagram for

looking for belt diagram for 97 buick lesabre limited with 3800 series2

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Tensioner is rotated clockwise to release tension.

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Posted on Feb 13, 2011

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1997 Buick lesaber Where is the horn relay located ?

I replaced the horn pad/ air bag system on the steering wheel, horn will operate, i need a horn to pass inspection. Please Help Where is the horn relay?

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your horn relay is located under the hood in the black box that also houses the fuses and relays for your whole car .. under the lid for this black box is the location for all the relays and fuses check it out and see if it has your horn relay in there thanks and holler if you need more. Jerry

Posted on Apr 12, 2009

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