2019 Lexus GX maintenance schedule

The 2019 GX is part of the J150 generation (2010-2023), sold as an SUV. Below: its service intervals with the source behind each one, the fluids it takes, the problems owners report for this year, and the NHTSA recalls issued for it.

Service schedule

What the 2019 GX needs, and when

5 of these 6 items come from Lexus's own published schedule. Manufacturer rows link to Lexus's own schedule, Independent rows to a service shop or parts retailer's published guide. Rows marked Unverified have no source Carlyle could confirm and are shown for completeness.

ServiceIntervalSource
Engine oil and filter10,000 mi / 1 yearManufacturer
Brake fluid30,000 mi / 3 yearsManufacturer
Engine coolant

Check/flush

100,000 mi / 10 yearsManufacturer
Transmission fluid

Severe/towing interval (60k standard)

No scheduled replacementManufacturer
Spark plugs120,000 mi / 12 yearsManufacturer
Differential and transfer case fluid

Severe use interval

30,000 miUnverified

Intervals are for normal driving; towing, short trips, extreme heat or dust shorten them. Services we could not find an interval for are left off rather than guessed.

Fluids and engines

What goes in it

Powertrains in this generation

  • 4.6 L 8-cyl, 4WD

Confirm the exact spec against the owner's manual or the label under the hood; capacities vary by engine and drivetrain.

Known problems

What 2019 GX owners run into

Problems reported for this model year, with the mileage they tend to show up at. Buying past a window is not automatically a pass - it just needs to be priced in.

Valley plate coolant leak

high severity

From about 100,000 mi · $1,500-$3,000 to fix

Coolant loss, pooling in engine V

Source: usecarscout.com

KDSS hydraulic system failure

medium severity

From about 100,000 mi · $1,500-$6,300 to fix

Fluid leaks, leaning suspension

Source: usecarscout.com

Rear air spring failure

medium severity

From about 100,000 mi · $500-$1,000 to fix

Rear suspension drops

Source: usecarscout.com

Safety recalls

1 NHTSA recall for the 2019 Lexus GX

From NHTSA's recall database, matched by model and year. Recall repairs are free at Lexus dealers, and a given car may already be fixed or fall outside a campaign, so check the VIN at nhtsa.gov/recalls before you buy.

Fuel system, gasoline

NHTSA 20V682000

November 2020

Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2018-2019 4Runner, 2019-2020 Avalon, 2019 Corolla Hatchback, 2017-2019 Highlander, 2018-2020 Camry, 2020 Corolla, 2018-2019 Land Cruiser, 2017-2020 Tacoma, 2019-2020 RAV4, 2019-2020 Sequoia, 2017-2020 Sienna, 2019-2020 Tundra, 2018-2020 Lexus ES350, 2017 Lexus GS200t, 2017-2019 Lexus GS350, 2019 Lexus GS300, 2018-2020 Lexus LC500h, 2019-2020 Lexus LS500, 2018-2019 Lexus GX460, 2017 Lexus IS200t, 2019 Lexus IS300, 2019 Lexus IS350, 2018-2020 Lexus LC500, 2018 Lexus LS500, 2019 Lexus LS500h, 2018-2019 Lexus LX570, 2017 Lexus RC200t, 2019 Lexus RC300, RC350, 2017 and 2019-2020 Lexus RX350, 2018-2020 RX350L, 2019 Lexus UX200, 2018-2019 Lexus NX300 vehicles. The low-pressure fuel pump inside the fuel tank may fail.

Remedy: Toyota will notify owners, and dealers will replace the fuel pump assembly with an improved one, free of charge. Owners of specific models were notified that remedy parts were available starting January 21, 2021. Owners of other models will be notified as remedy parts become available. Remedy parts should be available for all affected vehicles by late March 2021. Owners may contact Toyota customer service at 1-888-270-9371 or Lexus customer service at 1-800-255-3987. Note: This recall is an expansion of recall 20V-012. Toyota's number for this recall is 20TA02. Lexus' number for this recall is 20LA01.

Running costs

What maintenance typically costs

A typical year of maintenance
$600

Typical US independent-shop estimates for this generation; they vary by region and condition.

Other GX model years

Shopping new? The Lexus GX guide covers the current model, with what it costs to keep for 1 to 15 years.

Sources

Researched 2026-09-22. Modeling, not mechanic advice - always confirm against your car's owner's manual and service records.

Running a GX for income?

Carlyle scores the exact listing on cost per remaining mile and projected Turo income, so you know what a 2019 GX earns before you buy it.

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