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2021 Jeep Renegade maintenance schedule

The 2021 Renegade is part of the BU generation (2015-2023), 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 2021 Renegade needs, and when

All 13 of these items come from Jeep's own published schedule. Manufacturer rows link to Jeep's own schedule, Independent rows to a service shop or parts retailer's published guide.

ServiceIntervalSource
Engine oil and filter

Do not exceed interval

10,000 mi / 1 yearManufacturer
Engine air filter

Inspect at every oil change

30,000 miManufacturer
Cabin air filter20,000 mi / 2 yearsManufacturer
Tire rotation

Check for uneven wear

10,000 mi / 1 yearManufacturer
Brake fluid

Replace every two years

2 yearsManufacturer
Engine coolant

Mopar OAT

150,000 mi / 10 yearsManufacturer
Transmission fluid

Drain/fill severe

60,000 miManufacturer
Spark plugs

Copper plugs 30k; Iridium 100k; Distance based only

30,000 miManufacturer
Timing belt (1.4L Turbo)

1.4L uses a timing belt

150,000 mi / 15 yearsManufacturer
Serpentine belt

Inspect; severe duty interval is 37,500 miles/4 years (approx. 75,000 mi / 72 mo normal benchmark)

Inspect, replace as neededManufacturer
Differential and transfer case fluid (4WD)

Inspect PTU and rear diff (approx. 30,000 mi benchmark)

Inspect, replace as neededManufacturer
PCV valve

Inspect and replace if necessary (approx. 100,000 mi benchmark)

Inspect, replace as neededManufacturer
12V battery

Test

Inspect, 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 (2.4L) / 5W-40 (1.4L), 5.5 qt
Coolant
Mopar OAT
Transmission fluid
ZF 9HP ATF

Powertrains in this generation

  • 1.4L 4-cyl (1.4L MultiAir Turbo), 160 hp, 6-speed Manual, FWD / 4WD
  • 2.4L 4-cyl (2.4L Tigershark), 180 hp, 9-speed Auto, FWD / 4WD
  • 1.3L 4-cyl (1.3L Turbo), 177 hp, 9-speed Auto, 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 2021 Renegade 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.

Transmission Mount Wear

low severity

40,000-80,000 mi · $202-$253 to fix

Driveline vibrations

Source: repairpal.com

Safety recalls

2 NHTSA recalls for the 2021 Jeep Renegade

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

Structure

NHTSA 24V918000

December 2024

Chrysler (FCA US, LLC) is recalling certain 2021-2023 Jeep Renegade vehicles. The incorrect bumper reverse light assembly may have been installed. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective Devices, and Associated Equipment."

Remedy: Dealers will inspect and replace the bumper reverse light assembly, as necessary, free of charge. Owner notification letters were mailed January 30, 2025. Owners may contact FCA customer service at 1-800-853-1403. FCA's number for this recall is D7B.

Seat belts

NHTSA 24V510000

July 2024

Chrysler (FCA US, LLC) is recalling certain 2017-2024 Alfa Romeo Giulia, 2018-2025 Alfa Romeo Stelvio, 2019-2023 Fiat 500X, Jeep Renegade, and 2024 Fiat 500E vehicles. A seat belt buckle switch sensor may be improperly connected, preventing the front seat air bag from deploying as intended.

Remedy: Dealers will repair the connection, free of charge. Owner notification letters were mailed beginning August 27, 2024. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is 82B.

Other Renegade model years

BU (2015-2023)

201520162017201820192020202120222023

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

Sources

Researched 2026-09-19. Modeling, not mechanic advice - always confirm against your car's owner's manual and service records.

Running a Renegade for income?

Carlyle scores the exact listing on cost per remaining mile and projected Turo income, so you know what a 2021 Renegade earns before you buy it.

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