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2004 Buick Rainier Recalls, Problems & Maintenance

The 2004 Buick Rainier has no open NHTSA recalls. Owners report 6 recurring issue clusters, led by “Speedometer and instrument cluster 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 Rainier.

Reported to NHTSA

Speedometer and instrument cluster malfunction

ELECTRICAL SYSTEM

74 NHTSA complaints · 2004-04 → 2015-06

“I HAVE A 2004 BUICK RAINIER AND THE SPEEDOMETER STICKS ON A REGULAR BASIS. IT RANGES ANYWHERE FROM 20-70 MILES AN HOUR WHILE PARKED AND 120 AND OVER WHILE DRIVING. I CAN GENERALLY TELL ABOUT HOW FAST I AM GOING AND MUST KEEP AN EYE ON MY RPMS”
— Owner report, NHTSA ODI #10279160
“2004 BUICK RAINIER SPEEDOMETER IS REGISTERING 25-30 MPH FASTER THAN WHAT THE VEHICLE IS ACTUALLY TRAVELING. WHEN IN PARK IS SHOWS THE SUV TRAVELING 25 MPH. *TR”
— Owner report, NHTSA ODI #10269583
“WHILE DRIVING 70 MPH, THE SPEEDOMETER WILL DISPLAY SPEEDS BETWEEN 20-120 MPH. WHILE DRIVING VARIOUS SPEEDS ON THE FREEWAY, THE SPEED WILL DECREASE ON ITS OWN. THE CONTACT MUST LITERALLY STAND ON THE ACCELERATOR PEDAL TO MAINTAIN A STEADY SPEED”
— Owner report, NHTSA ODI #10231608

Read all complaints on NHTSA →

Intermittent low beam headlight outage

EXTERIOR LIGHTING

19 NHTSA complaints · 2004-11 → 2019-04

“LOW BEAM HEADLIGHTS FAILURE BOTH AT THE SAME TIME. OCCURRED ON TWO SEPARATE OCCASIONS. FIRST TIME A YEAR OR SO AGO, LOW BEAM RELAY REPLACED BY BEST RECOLLECTION”
— Owner report, NHTSA ODI #11056167
“AFTER HEADLIGHTS ARE ON FOR A LONG TIME THEY WILL GO OFF”
— Owner report, NHTSA ODI #10883858
“WHILE DRIVING AT 50 MPH, THE HEADLIGHTS FAILED TO ILLUMINATE. THE FAILURE RECURRED NUMEROUS TIMES. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 160,000”
— Owner report, NHTSA ODI #10749810

Read all complaints on NHTSA →

Fuel odor and fuel leak

FUEL/PROPULSION SYSTEM

9 NHTSA complaints · 2009-12 → 2018-05

“AFTER PARKING THE VEHICLE, A FUEL ODOR WAS NOTICED OUTSIDE THE VEHICLE. ONCE THE CONTACT ENTERED THE VEHICLE, THE ODOR WAS STRONGER”
— Owner report, NHTSA ODI #11074102
“WHEN VEHICLE IS PARKED YOU CAN SMELL GASOLINE CAN PARK CAR IN GARAGE DUE TO OUR WATER HEATER RECEIVED NOTICE FROM G M IN NOVEMBER 2015 (G M SPECIAL COVERAGE PROGRAM,14423) CAN'T GET NOWHERE WITH G M SINCE NOVEMBER 2015”
— Owner report, NHTSA ODI #10846425
“FUEL TANK IS LEAKING AT THE FILLER INLET. THIS SAME PROBLEM WAS COVERED UNDER A RECALL ON CHEVY TRAILBLAZER EXT'S WHICH SHARE MANY OF THE SAME COMPONENTS. THERE IS A SMELL OF FUEL IN MY GARAGE AND IT IS CLEARLY VISIBLE ON MY GARAGE FLOOR”
— Owner report, NHTSA ODI #10303484

Read all complaints on NHTSA →

Transmission shifting and four-wheel-drive faults

POWER TRAIN

10 NHTSA complaints · 2004-01 → 2016-06

“TRANSMISSION LEAKING, SHIFTING HARD, REVVING HIGH DURING SHIFTING, AND 'HUNTING' FOR GEARS WHILE TRAVELING. *AK”
— Owner report, NHTSA ODI #10082792
“CAME TO A COMPLETE STOP TO PICK UP PASSENGER'S. PUT SHIFTER INTO "PARK" BUT INDICATOR SHOWED "DRIVE". TRIED TO EXIT CAR BUT CAR WOULD MOVE, DO TO CAR WAS IN DRIVE. SHIFTER WAS NOW LOCKED IN PARK AND WOULD NOT MOVE TO ANOTHER GEAR. RETURNED HOME, TURNED OFF IGNITION”
— Owner report, NHTSA ODI #10618938
“I HAVE A 2004 BUICK RAINIER THAT HAD THE TRANSMISSION REBUILT WITH 28,000 MILES AND AGAIN AT 64,000 MILES. *TR”
— Owner report, NHTSA ODI #10244167

Read all complaints on NHTSA →

Air bags not deploying in crashes

AIR BAGS

6 NHTSA complaints · 2005-05 → 2018-05

“MY FIANCE WAS IN ACCIDENT WITH MY SUV AND THE AIR BAG DIDN'T DEPLOY CAN I SUE THE COMPANY WHO SOLD ME THE VEHICLE? *TR”
— Owner report, NHTSA ODI #10228093
“WHILE CROSSING AN INTERSECTION I WAS HIT IN THE FRONT RIGHT QUARTER OF THE VEHICLE. I WAS HIT BY A PERSON RUNNING A RED LIGHT. HE WAS DOING 40 TO 50 MPH IN A LIGHT TRUCK AND KNOCKED MY SUV SIDEWAYS ABOUT 15 FEET”
— Owner report, NHTSA ODI #10172491
“I WAS STOPPED AT AN INTERSECTION WAITING FOR THE TRAFFIC LIGHT TO CHANGE. ONE VEHICLE WAS IN FRONT OF ME. I WAS IMPACTED FROM THE REAR BY A THIRD VEHICLE TRAVELING AT A RATE OF SPEED I WOULD ESTIMATE AT SOMEWHERE BETWEEN 20 AND 40 MPH”
— Owner report, NHTSA ODI #10121768

Read all complaints on NHTSA →

Rear air suspension leak and sag

SUSPENSION

4 NHTSA complaints · 2014-04 → 2014-08

“BOTH REAR AIR BAGS ARE STARTING TO LEAK CAUSING BACK OF CAR TO SIT LOW. WHEN THE CAR IS STARTED IT WILL AIR BACK UP BUT WILL GO BACK DOWN AS SOON AS THE CAR IS PARKED. THE CAR HAS NOT BEEN IN ANY ACCIDENTS TO CAUSE THE DEFECT”
— Owner report, NHTSA ODI #10593156
“AIR BAG SUSPENSION WILL NOT STAY AIR UP. CONSTANTLY HAVE TO WORK ON THE ABS. *TR”
— Owner report, NHTSA ODI #10578139
“THE CONTACT STATED WHILE DRIVING APPROXIMATELY 55 MPH, THE AIR BAG INADVERTENTLY DEPLOYED AS THE REAR OF THE VEHICLE DROPPED TO THE GROUND. THE FAILURE RECURRED TWICE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC FOR DIAGNOSIS”
— Owner report, NHTSA ODI #10622521

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)

73 crashes 1990–2024

How the 73 occupant deaths break down

55

driver deaths

16

passenger deaths

2

not recorded by seat

73

occupant deaths

Crash years covered: 1990–2024 This model year first appears in 2004 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.

9

complaints mentioning a crash

4

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 Rainier 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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