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2004 Buick LeSabre Recalls, Problems & Maintenance

The 2004 Buick LeSabre has no open NHTSA recalls. Owners report 5 recurring issue clusters, led by “Speedometer and gauge malfunction.” Buick uses the GM Oil Life System: an algorithm tracks engine revolutions and temperature, then lights the change-oil message — typically every 7,500 miles in mixed driving, capped at 12 months, using dexos-approved oil. Current Encore GX and Envista run 1.2/1.3L turbo three-cylinders where oil quality matters more than volume drivers expect (the sump is small and turbo-heated). Front-drive models pair to a CVT with a published fluid interval — it is not a lifetime part.

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No open recalls on file. NHTSA lists no unrepaired safety recalls for this year, make and model. A recall can be issued at any time, and a specific car can still have one open — check yours by VIN at nhtsa.gov/recalls.

Known issues & problems for this vehicle

What drivers and federal regulators have officially reported about the 2004 Buick LeSabre.

Reported to NHTSA

Speedometer and gauge malfunction

ELECTRICAL SYSTEM

51 NHTSA complaints · 2005-08 → 2017-03

“THE GAUGES IN THE INSTRUMENT PANEL STOP WORKING. THE SPEEDOMETER HAS STOPPED WORKING I AM DRIVING A VEHICLE AND NOT KNOW HOW FAST I AM DRIVING”
— Owner report, NHTSA ODI #10967038
“WHILE DRIVING APPROXIMATELY 45 MPH, SPEEDOMETER WOULD INCREASE TO AS HIGH AS 90 MPH WITH NO INCREASE FROM DRIVER. THIS HAS BEEN REPEATED SEVERAL TIMES OVER LAST YEAR OF OPERATION. ALSO GAS GAUGE INFO HAS MAXED OR BOTTOMED OUT”
— Owner report, NHTSA ODI #10587913
“I FIRST NOTICED THE PROBLEM WITH THE SPEEDOMETER A COUPLE OF YEARS AGO, IN 2009. THE WEATHER WAS COLD, AND I ATTRIBUTED IT'S DISFUNCTION TO THE COLD. THEN THE OTHER GAUGES STARTED TO SHOW MALFUNCTION”
— Owner report, NHTSA ODI #10444953

Read all complaints on NHTSA →

Hard shifting and transmission failure

POWER TRAIN

5 NHTSA complaints · 2010-07 → 2022-11

“Drove to the store, transmission was hard shifting and then wouldn't hardly move at all. Almost got hit three x!! Very tramatized. How is it that on just one of many web pages 400 people had this problem 140 complained about it! that's just one website!”
— Owner report, NHTSA ODI #11437729
“WITHIN THE PASSED 2 MONTHS I HAVE BEEN EXPERIENCING "HARD SHIFTS". VERY PRONOUNCED JOLT/JERK WHEN ACCELERATING AFTER A FULL STOP OR DECELERATING TO COME TO A STOP”
— Owner report, NHTSA ODI #10846233
“TL*THE CONTACT OWNS A 2004 BUICK LESABRE. WHILE DRIVING 20 MPH THE TRANSMISSION LOCKED. THE FRONT WHEEL OF THE VEHICLE AND THE TRANSMISSION CASING BROKE IN HALF. THE TRANSMISSION HAD BEGAN TO SLIP PRIOR TO THE FAILURE”
— Owner report, NHTSA ODI #10342199

Read all complaints on NHTSA →

Dashboard pad separating and lifting

STRUCTURE

23 NHTSA complaints · 2008-03 → 2017-07

“IN MAY OF 2012 THE DASHBOARD COVERING BEGAN TO START BUCKLING UP IN AN AREA FROM THE CENTER OF THE DRIVER SIDE TO THE CENTER OF THE WINDSHIELD. THIS HAS GOTTEN NOTICEABLY WORSE AS TIME HAS GONE ON”
— Owner report, NHTSA ODI #10594790
“THE DASHBOARD HAS SEPARATED MORE THAN HALF WAY ACROSS, AND HAS RAISED OVER ONE INCH IN SOME AREAS. I AM VERY CONCERNED THAT THIS WILL AFFECT THE AIRBAGS,EITHER RENDERING THEM INEFFECTIVE OR ALLOWING THEM TO DEPLOY WHILE I AM DRIVING WITHOUT WARNING. *TR”
— Owner report, NHTSA ODI #10531541
“DASH BOARD SEPARATING FRONT DRIVER'S SIDE AND PASSENGER SIDE, POSSIBLE AIR BAG INFLATION IF FAILURE OF DASH OCCURS. *TR”
— Owner report, NHTSA ODI #10425097

Read all complaints on NHTSA →

Heated seat overheating and burning

SEATS

4 NHTSA complaints · 2011-03 → 2015-09

“DRIVING HOME FROM WORK DURING MY 20 MINUTE COMMUTE DURING THE WINTER, I HAD THE SEAT HEATER ON IN THE DRIVERS SEAT. IT FELT UNUSUALLY WARM BUT I WAS EXTREMELY COLD AND LEFT IT ON”
— Owner report, NHTSA ODI #10764673
“DRIVER, AGE 82, ON WAY TO DR. OFFICE IN ELMORE, OH WHEN THE BACK OF DRIVER'S SEAT. THE BACK OF DRIVER'S SEAT STARTED SMOKING AND BURNED A HOLE THROUGH THE LEATHER AND A HOLE IN THE DRIVER'S COAT THAT SHE WAS WEARING. IT WAS A VERY COLD DAY, WITH WIND CHILL BELOW ZERO”
— Owner report, NHTSA ODI #10676198
“TL* THE CONTACT OWNS A 2004 BUICK LESABRE. THE CONTACT STATED THAT THE PASSENGER SIDE HEATED SEAT WOULD OVERHEAT. THE MANUFACTURER WAS CONTACTED BUT NO ASSISTANCE WAS OFFERED. THE FAILURE AND CURRENT MILEAGE WAS 63,000”
— Owner report, NHTSA ODI #10386353

Read all complaints on NHTSA →

Brake pedal and brake line failure

SERVICE BRAKES, HYDRAULIC

3 NHTSA complaints · 2005-09 → 2021-06

“SUDDEN AND POTENTIALLY DEADLY FAILURE OF BRAKE PEDAL ON 2004 BUICK LESABRE. PEDAL SNAPPED AND WENT TO FLOOR, NO BRAKES. OCCURRED IN MY DRIVEWAY. I PUT CAR IN PARK TO STOP FORWARD MOTION AND AVOID HITTING MY SON'S CAR.*AK”
— Owner report, NHTSA ODI #10135168
“BRAKE LINE FAILURE OCCURED IN MY DRIVEWAY. ALL OTHER LINES SEEM LIKELY TO FAIL AS WELL. THIS IS EXTREMELY CONCERNING FOR ME AS A CONSUMER BECAUSE MANY OTHER CARS LIKE THIS DRIVE AROUND EVERYDAY. I FEEL FORTUNATE I WAS GOING SLOW ENOUGH NOT TO GET HURT”
— Owner report, NHTSA ODI #10897479
“The contact owns a 2004 Buick LeSabre. The contact stated while driving 35 mph and depressing on the brake pedal, the brake pedal went straight to the floor and the vehicle gradually decreased in speed to a stop. There was an unknown warning light illuminated”
— Owner report, NHTSA ODI #11422945

Read all complaints on NHTSA →

Issues on other model years

Source: NHTSA Office of Defects Investigation (ODI). Complaint data refreshed Sep 20, 2026. Investigation data refreshed Sep 20, 2026.

We display NHTSA's record with attribution; we don't editorialize on what these complaints mean for any specific vehicle.

Raw data + downloads for this vehicle →

Essential maintenance

Critical for safety and preventing major damage

Engine Oil & Filter (Oil Life System)

Every 7,500 mi

Change when the Oil Life System calls it — typically around 7,500 miles, never beyond 12 months. dexos1 0W-20 on modern engines. Small-displacement turbos (Encore GX, Envista): don't stretch the indicator.

Estimated cost — typical U.S. ranges

Dealer

~$120–$160

Shop

~$85–$115

DIY

~$25–$55

Full synthetic costs more than conventional. 5-quart 0W-20 + filter is the typical bill.

Tire Rotation

Every 7,500 mi

Rotate every 7,500 miles with the oil change — GM pairs the two in its schedule.

Estimated cost — typical U.S. ranges

Dealer

~$85

Shop

~$60

DIY

Free

Often free at the shop where you bought the tires — worth asking before paying.

Brake Inspection

Every 7,500 mi

Inspect pads, rotors, and lines at every service. Older Centurys: check rear drum adjustment and parking-brake cables, which seize with age.

Estimated cost — typical U.S. ranges

Dealer

~$85

Shop

~$60

DIY

Free

Most shops do this free as a courtesy with any service. Don't pay separately if you can avoid it.

CVT Fluid (Encore GX / Envista FWD)

Every 45,000 mi

FWD Encore GX and Envista use a CVT: GM schedules fluid replacement around 45,000 miles under severe service — which includes most city commuting. AWD Encore GX uses a 9-speed automatic instead (see transmission fluid).

Estimated cost — typical U.S. ranges

Dealer

~$360–$500

Shop

~$255–$355

DIY

~$80–$180

CVT fluid is manufacturer-specific and pricey — do NOT substitute conventional ATF.

Important maintenance

Keeps your vehicle running smoothly and efficiently

Automatic Transmission Fluid

Every 45,000 mi

Conventional automatics (Century's 4T65-E, Regal's Aisin, AWD Encore GX's 9-speed): GM lists 45,000 miles severe / longer normal. Older Buicks respond well to a simple drain-and-fill — avoid pressure flushes on high-mile units.

Estimated cost — typical U.S. ranges

Dealer

~$330–$500

Shop

~$235–$355

DIY

~$60–$180

Some sealed transmissions have no dipstick — fill is precise and best left to a shop. Many drivers can still DIY drain-and-fill.

Spark Plugs

Every 60,000 mi

Small-turbo three-cylinders (Encore GX, Envista): roughly every 60,000 miles — check the manual. Older 3.1/3.8 V6s: iridium plugs last to 100,000 miles.

Estimated cost — typical U.S. ranges

Dealer

~$285–$390

Shop

~$200–$275

DIY

~$25–$100

Iridium plugs cost more but last 100k+ miles. V6/V8 access varies wildly — some are tough.

Engine Air Filter

Every 45,000 mi

GM schedules replacement around 45,000 miles; inspect at every oil change in dusty regions.

Estimated cost — typical U.S. ranges

Dealer

~$60–$95

Shop

~$45–$70

DIY

~$15–$40

5-minute job on most cars; the airbox lid usually has clips, no tools needed.

Serpentine Belt

Every 60,000 mi

Inspect from 60,000 miles; replace on cracking or glazing rather than mileage alone.

Estimated cost — typical U.S. ranges

Dealer

~$195–$235

Shop

~$135–$165

DIY

~$20–$50

DIY-friendly if you can reach the tensioner. Inspect for cracks rather than swap on a strict mileage interval.

Recommended maintenance

Extends the life of your vehicle and improves comfort

Cabin Air Filter

Every 22,500 mi

Replace roughly every 22,500 miles per GM's schedule — behind the glovebox on modern Buicks.

Estimated cost — typical U.S. ranges

Dealer

~$60–$95

Shop

~$45–$70

DIY

~$15–$40

Usually behind the glovebox. Shops charge labor for a 10-minute job — easy DIY win.

Coolant Replacement (Dex-Cool)

Every 150,000 mi

Dex-Cool is rated 5 years / 150,000 miles. On older 3.1/3.8 V6s, intake-gasket seepage was the classic failure — check coolant level and condition at every oil change on a Century.

Estimated cost — typical U.S. ranges

Dealer

~$285–$330

Shop

~$200–$235

DIY

~$25–$60

Use the manufacturer-specified coolant — wrong color/chemistry can damage the cooling system.

Battery Test & Service

Every 25,000 mi

Test annually after year 3. Stop-start-equipped Encore GX/Envista use AGM batteries — replace like-for-like, not with a cheaper flooded battery.

Estimated cost — typical U.S. ranges

Dealer

~$225–$390

Shop

~$160–$280

DIY

~$130–$250

Most auto-parts stores test and install batteries free with purchase. Skip the dealer markup.

Fatal crash history & reported problems

Occupant deaths in fatal crashes (FARS)

335 crashes 1990–2024

How the 335 occupant deaths break down

240

driver deaths

95

passenger deaths

335

occupant deaths

Crash years covered: 1990–2024 This model year first appears in 2003 crashes. Older models have had more years on the road to appear in these crashes, so a higher count here does not by itself mean a vehicle is less safe.

FARS counts every occupant death in a fatal crash, whatever the cause — it does not mean the vehicle was at fault or defective. Counts are not adjusted for how many of each vehicle are on the road. How to read this number

FARS 2024 data is an annual report file. NHTSA revises these records when the final file is published, so this count can change.

Why we show driver deaths too

Every vehicle has exactly one driver seat, so driver deaths line up fairly when you compare one model to another. Occupant deaths include passengers, so a three row SUV can show a higher number than a two seat car simply because it carries more people.

Both figures are plain counts, not rates. A rate would need to know how many of each vehicle are on the road, and that registration data is not public, so we do not publish rates or scores of any kind.

IIHS publishes driver death rates using this same driver only idea, paired with a registered vehicle years denominator we do not have. Their rates and these counts answer different questions, so do not read either number here as a safety rating.

Owner-reported problem signals

Separate from the federal fatality data above: complaints owners filed with NHTSA about this year and model. These are reports of problems, unverified, and are counted here only as signals.

4

complaints mentioning a crash

5

complaints mentioning a fire

Reviewed known issues for this vehicle

Typical U.S. ranges. Actual quotes vary by shop, parts choice, and vehicle condition.

How we estimate: Dealer = OEM parts × 1.4 + labor × $165/hr. Shop = parts + labor × $115/hr. DIY = parts only.

This maintenance schedule for the 2004 Buick LeSabre reflects Buick's published service intervals and the GM Oil Life System system. Your actual service needs may vary based on driving conditions, climate, and vehicle usage. Always consult your owner's manual for model-specific recommendations.

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