The 2023 Palisade with the 3.8L Lambda II V6 is largely solid but has emerging concerns with catastrophic engine failures due to bearing wear and transmission cooler issues that can escalate quickly if ignored.
Catastrophic Engine Bearing Failure (Theta/Lambda II Issue)
Occasional · high severity
Typical onset: 30,000-80,000 mi
Symptoms: Metallic knocking or ticking from lower engine, Loss of oil pressure warning, Metal shavings in oil, Sudden engine seizure without warning
Fix: Complete engine replacement or rebuild required — rod bearings, main bearings, crankshaft often damaged. 18-25 labor hours for rebuild, 12-16 for reman swap. This stems from manufacturing debris or inadequate oil flow starving bearings.
Estimated cost: $8,000-15,000
Transmission Oil Cooler Line Leaks
Common · medium severity
Typical onset: 40,000-70,000 mi
Symptoms: Transmission fluid puddles under vehicle, Burnt smell from transmission area, Hard shifts or slipping when fluid runs low, Transmission overheating warning
Fix: Cooler lines corrode at crimps or develop stress cracks. Replace both lines preventively — 2.5-3.5 hours labor. If trans runs low and overheats, you're looking at internal clutch damage and full rebuild.
Estimated cost: $350-650
Transmission Mount Deterioration
Common · low severity
Typical onset: 50,000-90,000 mi
Symptoms: Clunking when shifting from Park to Drive, Excessive vibration at idle, Drivetrain shudder on acceleration, Visible rubber cracking or oil saturation on mount
Fix: The 8-speed auto's weight plus engine torque tears the rubber. Replace mount — 1.5-2 hours labor. Inspect other mounts while you're under there.
Estimated cost: $250-450
Brake Booster Vacuum Pump Failure
Occasional · high severity
Typical onset: 60,000-100,000 mi
Symptoms: Hard brake pedal requiring excessive force, Brake warning light illuminated, Hissing sound from engine bay, Extended stopping distances
Fix: Electric vacuum pump (used on GDI engines) fails — diaphragm or motor quits. Replace pump assembly — 2-3 hours labor. There's a recall for some VINs; check before paying out of pocket.
Estimated cost: $600-1,200
Fuel Filter Clogging (GDI Carbon Buildup Related)
Occasional · medium severity
Typical onset: 60,000-120,000 mi
Symptoms: Rough idle and hesitation, Loss of power under load, Check engine light with fuel trim codes, Hard starting when hot
Fix: Direct injection creates carbon that can contaminate fuel system. Filter is in-tank on some builds — requires tank drop, 3-4 hours labor. Also consider intake valve cleaning at same interval.
Estimated cost: $400-700
Side Curtain Airbag Deployment Wiring Fault
Rare · high severity
Symptoms: Airbag warning light steady or flashing, No deployment in side-impact collision, Diagnostic codes for curtain airbag circuit
Fix: Wiring harness chafing or connector corrosion prevents deployment signal. Recall covers diagnosis and harness reroute — 1.5-2.5 hours labor if you pay. Safety critical; don't ignore the light.
Estimated cost: $0 (recall) or $500-900
Owner tips
Change oil every 5,000 miles with quality synthetic (not 7,500) to minimize bearing wear risk on the 3.8L V6
Inspect transmission cooler lines at every oil change starting at 40k miles — catching seepage early saves the transmission
Run Top Tier gas and add fuel system cleaner every 10k miles to manage GDI carbon accumulation
Check recall status by VIN — Hyundai has issued multiple campaigns for airbags, transmission, and brake boosters on this chassis
Buy with caution — verify engine history and listen hard for bearing noise; budget $1,000/year for the transmission cooler and mount issues, but walk away from anything with low oil pressure or knocking.
AI-assisted summary drawn from NHTSA recall data, our labor-times database, and platform knowledge. Not a substitute for a pre-purchase inspection on a specific vehicle.
Fitment notes: AGM battery standard for 2023 model year; battery located under hood
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Every control module on the 2020-2026 Hyundai Palisade — where it lives, replacement time, and what it takes to program a replacement. Modules marked dealer / factory tool won't work after a part swap alone — budget for programming.
Transmission Control Unit (TCU)3.5 hr R&Rdealer / factory tool +1.0 hr▸ programming details
📍 Integrated into transmission valve body, accessed from underneath vehicle
🔧 Hyundai GDS or Autel MaxiSys Elite/Ultra
⚠️ 8-speed automatic; requires transmission fluid drain, valve body removal; adaptive learning reset required after installation
Heating Ventilation Air Conditioning Control Module (HVAC)2.5 hr R&Raftermarket tool +0.3 hr▸ programming details
📍 Behind center dashboard, integrated with HVAC unit
🔧 Hyundai GDS or Autel MaxiSys
⚠️ Dual-zone or tri-zone depending on trim; actuator calibration required after installation
Motor Driven Power Steering Control Module (MDPS)2.0 hr R&Rdealer / factory tool +0.6 hr▸ programming details
📍 Integrated with steering column assembly, below dashboard
🔧 Hyundai GDS or Autel MaxiSys Elite/Ultra
⚠️ Steering angle sensor calibration required after replacement; may require steering wheel removal
📍 Behind lower center dashboard or integrated with BCM
🔧 Hyundai GDS or Autel MaxiSys/TPMS tool
⚠️ Sensor ID registration required after tire rotation or replacement; relearn procedure via scan tool or drive cycle
Aftermarket tool coverage varies by software version and vehicle build — treat "aftermarket tool" rows as "usually possible" and verify against your tool maker's coverage list before promising a customer. Spot a wrong location or hour? Tell us — corrections ship fast here.
Hyundai Motor America (Hyundai) is recalling certain 2020-2025 Palisade vehicles. The side curtain air bags for third-row occupants may deploy improperly in a crash. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 226, "Ejection Mitigation."
Consequence: Improper side curtain air bag deployment increases the risk of injury during a crash.
Remedy: Dealers will install a protective film over the rear window and remove padding, as necessary free of charge. Interim notification letters, notifying owners of the safety risk, were mailed beginning March 13, 2026. Final remedy owner letters will be mailed in phases, beginning in June 2026 and expected to continue through December 2026. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 292. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on January 24, 2026.
Hyundai Motor America (Hyundai) is recalling certain 2020-2025 Palisade vehicles. The seat belt buckles in the driver, passenger, and second-row window seats may fail to latch.
Consequence: Seat belt buckles that fail to latch may not properly restrain occupants in a crash, increasing the risk of injury.
Remedy: Passengers are advised to insert the belt firmly into the buckle with a quick and direct motion, pulling on the belt to confirm the seat belt is fully secured, until the recall remedy is performed. Dealers will replace the seat belt buckle assemblies, free of charge. Interim notification letters, notifying owners of the safety risk, were mailed beginning October 23, 2025. Final remedy owner letters will be mailed in phases, beginning in June 2026 and expected to continue through December 2026. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 283. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on September 13, 2025.
POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:PUMP · 23V526000
2023-07-27
Hyundai Motor America (Hyundai) is recalling certain 2023-2024 Palisade Tucson, 2023 Sonata, Elantra, and Kona vehicles. The electronic controller for the Idle Stop & Go oil pump assembly may contain damaged electrical components that can cause the pump controller to overheat.
Consequence: An electric oil pump assembly that overheats increases the risk of a vehicle fire.
Remedy: Owners are advised to park outside and away from structures until the recall repair is complete. Dealers will inspect and replace the electric oil pump controller, as necessary, free of charge. Owner notification letters were mailed starting September 7, 2023. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 246.
SERVICE BRAKES, HYDRAULIC:POWER ASSIST · 23V415000
2023-06-08
Hyundai Motor America (Hyundai) is recalling certain 2023 Palisade vehicles. The brake booster diaphragm may become misaligned and cause an internal vacuum leak, which can result in a loss of power brake assist.
Consequence: A loss of power brake assist can extend the distance required to stop, increasing the risk of a crash.
Remedy: Dealers will inspect and replace the brake booster as necessary, free of charge. Owner notification letters were mailed July 14, 2023. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 245.
VISIBILITY/WIPER · 23V180000
2023-03-17 · RQ22005
Hyundai Motor America (Hyundai) is recalling certain 2021-2023 Palisade vehicles. The windshield wiper motor may operate intermittently or fail to operate due to snow or ice buildup on the windshield, causing the wipers to fail.
Consequence: Windshield wiper failure can reduce visibility, increasing the risk of a crash.
Remedy: Dealers will replace the driver-side windshield wiper arm, free of charge. Owner notification letters were mailed May 15, 2023. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 243. This recall is an expansion of recall number 22V-627.
Fuel economy (EPA)
City
19mpg
Highway
27mpg
Combined
22mpg
Fuel
Regular Gasoline
Capability & size
EPA class
Small Sport Utility Vehicle 2WD
Wiper blades
Refreshed for 2023 but wiper specifications remain consistent with first generation.
Size-standard part numbers — verify your connector type before buying. Rear blades are model-specific; check the package's vehicle list.
Fuel economy figures are EPA data via fueleconomy.gov (median across matching trims). Performance figures are compiled estimates for the 2023 Hyundai Palisade 3.8L V6 and can vary by trim.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years.