20 Most Recent 2000 Buick LeSabre Questions & Answers

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How can I adjust the head light timer for my 2000 Buick lesabre so it doesn't stay on so long

Press your lock button a second time and the headlight should go off. Often the dealership can reprogram to change things like that.
11/16/2021 5:01:37 AM • 2000 Buick... • Answered on Nov 16, 2021
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Have a 2000 lesabre. Was driving when lost power and started to backfire and run rough now won't start. Cranks but won't start

It needs compression, fuel and spark to run. You need to hook up a OBD2 and to the data link port under the dash, at the driver leg area. It pulls up a code and can guide you. Did you see white smoke before it stopped running? I am asking because that year and model is bad about blowing head gaskets.
11/10/2021 1:00:13 PM • 2000 Buick... • Answered on Nov 10, 2021
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I have a 2000 Buick LeSabre and the radio wont shut off when I open the driver's side door

do the power windows keep working too. . , Retained Accessory Power (RAP) . Retained accessory power (RAP) is a standard feature. RAP allows the radio, power windows, and if equipped, power sunroof and cellular telephone to operate for approximately 10 minutes after the ignition switch has been turned to OFF, or until a passenger compartment door is opened. The dash integration module (DIM) monitors and determines the ignition switch status (OFF, ACCESSORY, etc.). When the DIM determines that the ignition switch has been turned to the OFF position, the DIM sends a class 2 serial data message to the radio, drivers door module (DDM), rear integration module (RIM) and cellular telephone module (if equipped) in order to enable the RAP. After approximately 10 minutes the DIM sends another class 2 serial data message in order to disable the RAP. The DIM receives door status (OPEN, CLOSED) from the DDM by a class 2 serial data line message. When the DIM determines that a passenger compartment door has been opened, the DIM sends out a class 2 serial data message in order to disable the RAP, regardless of the elapsed time. 2000 Buick LeSabre ' LeSabre (VIN H) Service Manual ' Body and Accessories ' Retained Accessory Power ' Diagnostic Information and Procedures ' Document ID: 475077 -------------------------------------------------------------------------------- Retained Accessory Power (RAP) On After Timeout Step Action Value(s) Yes No 1 Did you perform the Retained Accessory Power (RAP) Diagnostic System Check? -- YES - Go to Step 2 NO - Go to Diagnostic System Check - Retained Accessory Power 2 Install a scan tool. Close all of the doors. Turn ON the ignition, with the engine OFF. Wait 5 seconds, then turn OFF the ignition. Wait 10 minutes. Observe the dash integration module (DIM) ignition switch status. Does the ignition switch status indicate OFF? -- YES - Go to Step 3 NO - Go to DTC B1422 Device Power Moding Malfunction Observe the RAP Output parameter in the rear integration module (RIM) data list. Does the RAP Output indicate OFF? -- YES - Go to Step 4 NO - Go to Step 10 4 Turn ON the ignition, with the engine OFF. Using the scan tool, command the RAP relay ON and OFF. Does the RAP relay turn ON and OFF with each command? -- YES - Go to Step 8 NO - Go to Step 5 5 Connect a test lamp between the control circuit of the RAP relay and the coil side feed circuit of the RAP relay. Using the scan tool, command the RAP relay ON and OFF. Does the test lamp turn ON and OFF with each command? -- YES - Go to Step 8 NO - Go to Step 6 6 Does the test lamp remain illuminated with each command? -- YES - Go to Step 7 NO - Go to Step 10 7 Test the control circuit of the RAP relay for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? -- YES - Go to Step 13 NO - Go to Step 10 8 Test the load output circuit of the RAP relay for a short to voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? -- YES - Go to Step 13 NO - Go to Step 9 9 Inspect for poor connections/terminal tension at the RAP relay. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? -- YES - Go to Step 13 NO - Go to Step 11 10 Inspect for poor connections/terminal tension at the harness connector of the RIM. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? -- Go to Step 13 Go to Step 12 11 Replace the RAP relay. Did you complete the replacement? -- Go to Step 13 -- 12 Replace the RIM. Refer to Rear Integration Body Control Module Replacement in Body Control System. Did you complete the replacement? -- Go to Step 13 -- 13 Operate the system in order to verify the repair. Did you correct the condition? -- System OK Go to Step 1 Without testing using the above factory diagnostic test proceduces , i would probably guess the rap relay has stuck contacts inside .
9/7/2021 9:22:31 AM • 2000 Buick... • Answered on Sep 07, 2021
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HOW DO YOU CHANGE THE

With the engine cool using the same tools you simply have to take your time and feel for the plugs very simple apply socket to remove and replace spark plugs in the back or follow the wires they're connected to pull feel remove piece of cake!!!
9/5/2021 11:22:31 PM • 2000 Buick... • Answered on Sep 05, 2021
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Change my spark plugs and

front plug firing order is 135 back is 246 the coils are numbered
9/5/2021 11:20:17 PM • 2000 Buick... • Answered on Sep 05, 2021
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What is the battery vent hose on the 2000 buick

Since the battery is located inside the passenger compartment (under the rear seat), the vent hose is needed to vent the sulfuric acid fumes to the outside of the car - away from the passengers.
9/5/2021 11:19:05 PM • 2000 Buick... • Answered on Sep 05, 2021
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Battery location 2000 buick lesabre

I have a 2001 Buick LeSabre Limited. Pull up on the rear seat cushion along the front edge. The battery is located under the rear seat. Be sure to connect the vent lines to the new battery. This keeps fumes out of the car, and keeps it from corroding the interior surfaces.
9/5/2021 11:18:15 PM • 2000 Buick... • Answered on Sep 05, 2021
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How to remove rear seat of 2000 buick lesabre

I remove the back seat bottom by standing in the middle of the back floor board and using both hands pull up on the back seat. It usually comes up after a few pulls.
9/5/2021 11:15:36 PM • 2000 Buick... • Answered on Sep 05, 2021
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2000 Buick Lesabre blows A/C air through defrost vent only

Sounds like vacuum switch is either bad or there's a vac leak in the duct controls
5/6/2021 7:17:48 AM • 2000 Buick... • Answered on May 06, 2021
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Dash gas gauge stops showing proper gas level once it hits half a tank. Then gauge will fluctuate between empty (light will come on), full and anywhere in between but seems fine from full tank to half

If the trouble with the gauge started after you worked on it then you likely damaged or created a restriction to the movement of the sending unit. You will have to remove the tank and double-check your work.
4/17/2021 11:29:08 PM • 2000 Buick... • Answered on Apr 17, 2021
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Speedometer runs faster than actual speed

on my 2000 buick lesabre there is a button 2 inches down from the millage reset button on the console just left of the steering wheel. When depressed this button switches your speedometer from mph to kph. From american to metric. So yes it will be faster that what your going because your set for kph. Just click that button with the ignition key all the way on and your speedometer should revert back to the good old usa mph.
3/2/2021 1:34:44 AM • 2000 Buick... • Answered on Mar 02, 2021
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How do you change 2000 Buick LeSabre license plate

They are inside the plastic back attached to the trunk lid. To remove it there are nuts recessed in the back of the lid that have to be removed. The wiring pretty much keeps the back from falling but you still want to be careful. You need deep recess sockets to get to the nuts.
3/24/2020 12:15:54 AM • 2000 Buick... • Answered on Mar 24, 2020
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My 2000 buick lesabra dashboard lites and brake lites take about 10 minutes before they come on whats wrong

That can be a tough one to diagnose. I suspect they are not the only items in the car not immediately getting power, which suggests an intermittent problem with a master fuse or relay. If I were you, I would start by getting ahold of the circuit diagrams for the car (try Alldatadiy.com) and trace back the circuits from the brake and dashboard lights to where they reach a common fuse or relay and check those.
11/3/2019 3:21:37 PM • 2000 Buick... • Answered on Nov 03, 2019
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What vehicles will interchange front quarter panel on a 2000 Buick lesabre?

Go to www.car-part.com it has a built in Hollander interchange and will bring up all available interchanes.
9/27/2019 6:14:45 PM • 2000 Buick... • Answered on Sep 27, 2019
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Volume Knob light does not work on 2000 Lesabre Custom

Is it the volume knob or the light that won't work? If the light, there is not much you can do as it is not user serviceable. A local Delco dealer may be able to fix it. Same with the knob ...
5/9/2019 8:13:08 PM • 2000 Buick... • Answered on May 09, 2019
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Why does My '00 Buick Lesabre shakes when accelerating between 45 and 50 mph?

Tie rod end strut tower is weak. Tiers out of balance knot on tire lug nuts loss
5/1/2019 2:40:54 AM • 2000 Buick... • Answered on May 01, 2019
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What sizesocket do i need toremoveaxle on a 2000 lesabre

If I remember correctly, 27mm
11/5/2018 9:49:46 PM • 2000 Buick... • Answered on Nov 05, 2018
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My car starts rite up then dies after a few minutes.and i just changed my fuel pump and filter and relay and its still doing it what is the problem?

I cannot tell you what is wrong without diagnosing the problem. However, I can do this:Let me give you a little "Automotive Technology 101". The first thing you need to do is to check what is missing when the engine dies. A gasoline powered, internal combustion piston engine needs 4 basic things to make it run:1. Volumetric Efficiency (built into the design of the engine)2. Air-Fuel Ratio3. Compression4. IgnitionRunning out and replacing parts without first determining which of these things are missing from the equation is usually a waste of time and money.....your post bears witness to this statement.The engine will not run at all if there is a serious problem with Volumetric Efficiency, and it takes an engineer to design and fix that anyway. It is not likely to be a compression problem if it starts and runs ok before it dies. So that leaves us with spark and air-fuel ratio.So the next question is whether it is fuel or spark or BOTH at the same time? There are several things that can possibly affect each of these. Several possibilities can be either verified or eliminated by answering this simple question.It is important to realize that BOTH of these things (spark and fuel) are controlled by your onboard engine control computer. To attempt to diagnose these things while ignoring the computer that controls them is usually a real EXPENSIVE way to perform this task.With all that said,What you need to do is check your fuel system and your ignition system when the engine dies. If the engine does not start right back up after stalling, it makes things a little easier because some "manual" testing can be used to verify a few things.Check to see if there is spark at the spark plugs. Check to see if there is (A) fuel pressure at the fuel rails and (B) injector pulse at the injectors. This will tell you if it is a fuel "delivery" problem (fuel pump, relay, fuel filter, etc.) or a fuel "injection" problem (computer inputs, injectors, injector circuits, etc.) or if the ignition system is malfunctioning (coils, wires, computer, electrical connectors, security system, etc.).From the sysmptoms you are describing, it sounds to me like if you were to actually check these things like they SHOULD be checked, you will most likely find that the fuel pressure is within specifications and that you have no injector pulse or spark at the spark plugs.If this is what you find, then the "most likely" cause of your problem would be a failed crankshaft position sensor, because this will affect BOTH the spark and the injector pulse at the same time.Proper diagnosis recommended.
8/13/2018 5:31:29 PM • 2000 Buick... • Answered on Aug 13, 2018
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Where is bank 1 sensor 1 O2 sensor loc. in 2006 buick lucerne 3.8l V6

bank 1 is closest to the firewall o2 sensor 1 is after the cat converter for that side exhaust system
4/9/2018 4:44:20 AM • 2000 Buick... • Answered on Apr 09, 2018
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Location of my starter 2000 buick lesabre lmt. where do i look for it at

lower rear of engine near the transmission front side of vehicle . The engine sits transverse ,driver side front . Jack it up an look under the engine .
4/3/2018 5:00:50 PM • 2000 Buick... • Answered on Apr 03, 2018
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