2018 Chevrolet Suburban maintenance schedule

The 2018 Suburban is part of the K2XX generation (2015-2020), 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 2018 Suburban needs, and when

All 12 of these items come from Chevrolet's own published schedule. Manufacturer rows link to Chevrolet's own schedule, Independent rows to a service shop or parts retailer's published guide.

ServiceIntervalSource
Engine oil and filter

OLM dictated

7,500 mi / 1 yearManufacturer
Engine air filter45,000 mi / 4 yearsManufacturer
Cabin air filter22,500 mi / 2 yearsManufacturer
Tire rotation7,500 mi / 1 yearManufacturer
Brake fluid45,000 mi / 3 yearsManufacturer
Engine coolant150,000 mi / 5 yearsManufacturer
Transmission fluid

Severe

45,000 miManufacturer
Spark plugs97,500 miManufacturer
Serpentine belt97,500 mi / 10 yearsManufacturer
Differential and transfer case fluid45,000 miManufacturer
PCV valve97,500 miManufacturer
12V batteryInspect, replace as neededManufacturer

Intervals are for normal driving; towing, short trips, extreme heat or dust shorten them.

Fluids and engines

What goes in it

Engine oil
0W-20 dexos1, 8 qt
Coolant
Dex-Cool
Transmission fluid
Dexron VI (6spd) / ULV (10spd)

Powertrains in this generation

  • 5.3L 8-cyl (L83), 355 hp, 6-speed auto, RWD/4WD
  • 6.2L 8-cyl (L86), 420 hp, 10-speed auto, RWD/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 2018 Suburban 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.

AFM lifter ticking

high severity

70,000-130,000 mi · $3,000-$4,750 to fix

Severe engine noise, misfire

Source: repairpal.com

Magnetic Ride Control failure

high severity

60,000-100,000 mi · $1,440-$3,000 to fix

Hard ride, visible fluid on shocks

Source: repairpal.com

Safety recalls

4 NHTSA recalls for the 2018 Chevrolet Suburban

From NHTSA's recall database, matched by model and year. Recall repairs are free at Chevrolet 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.

Power train

NHTSA 26V289000

May 2026

General Motors, LLC (GM) is recalling certain 2026 Cadillac Escalade and Escalade ESV, Chevrolet Silverado 1500, Suburban, and Tahoe, and GMC Sierra 1500, Yukon, and Yukon XL vehicles with four-wheel (4WD) or all-wheel drive (AWD), and certain 2015-2020 Suburban, Escalade, Escalade ESV, Yukon, Yukon XL, and Tahoe vehicles. A component missing from the drivetrain transfer case may cause the front and/or rear wheels to lock up without warning to the driver.

Remedy: Owners are advised not to drive their vehicle until the remedy is completed. Dealers will inspect and, if necessary, replace the transfer case assembly, free of charge. Owner notification letters were mailed May 18, 2026. Owners may contact GMC customer service at 1-800-462-8782, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-333-4223. GM's number for this recall is N262557620. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on May 7, 2026.

Service brakes

NHTSA 19V761000

October 2019

General Motors LLC (GM) is recalling certain 2015-2020 Chevrolet Suburban, Tahoe, and GMC Yukon, and 2014-2018 Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles equipped with a 5.3-liter engine, a 3.08-ratio rear axle and four-wheel drive. If a wheel-speed sensor fails, while the vehicle is traveling between 41 and 60 mph in four-wheel or automatic mode, the Electronic-Brake Control Module (EBCM) software may activate the driveline-protection system.

Remedy: GM will notify owners, and dealers will reprogram the EBCM, free of charge. The recall began December 11, 2019. Owners may contact Chevrolet customer service at 1-800-630-2438 or GMC customer service at 1-800-462-8782. GM's number for this recall is N192261050.

Service brakes, hydraulic

NHTSA 19V645000

September 2019

General Motors LLC (GM) is recalling certain 2015-2017 Cadillac Escalade, 2014-2018 Chevrolet Silverado, GMC Sierra, 2015-2018 Chevrolet Suburban, Tahoe, GMC Yukon vehicles. The amount of vacuum created by the vacuum pump may decrease over time.

Remedy: GM will notify owners, and dealers will reprogram the Electronic Brake Control Module, free of charge. The recall began October 8, 2019. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-458-8006 or GMC customer service at 1-800-462-8782. GM's number for this recall is N192268490.

Seat belts

NHTSA 18V673000

September 2018

General Motors LLC (GM) is recalling certain 2018-2019 Cadillac CT6, Escalade ESV, Chevrolet Suburban, Volt, and GMC Yukon XL vehicles. Certain second-row or third-row rear seatbelts retractor assemblies may not automatically lock when the seatbelt is fully pulled out of the retractor, possibly preventing a child seat from being properly secured. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 208, "Occupant Crash Protection."

Remedy: GM will notify owners, and dealers will inspect the rear seatbelt retractors and replace them if necessary, free of charge. The recall began November 7, 2018. Owners may contact Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782. GM's number for this recall is 18315.

Running costs

What maintenance typically costs

A typical year of maintenance
$1,020
Five years of maintenance
$5,760
The major service near 100,000 mi
$2,160

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

Other Suburban model years

T1XX (2021-2026)

K2XX (2015-2020)

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

Sources

Researched 2026-09-18. Modeling, not mechanic advice - always confirm against your car's owner's manual and service records.

Running a Suburban for income?

Carlyle scores the exact listing on cost per remaining mile and projected Turo income, so you know what a 2018 Suburban earns before you buy it.

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