2018 Jeep Wrangler Jl

Vehicle Specs & Maintenance Data

Engine
3.6L V6
Oil Type & Capacity
5W-20 Full Synthetic (5.9 qts)
Transmission
Automatic (S8)
Wheel Torque
130
ft-lbs

The 2018 Jeep Wrangler Jl maintenance specs on this page cover the key fluids, torque values, and wear items you need for routine service. Use these numbers as a quick reference when performing oil changes, tire rotations, brake jobs, and other scheduled maintenance on your Jeep Wrangler Jl.

For oil changes, the 2018 Jeep Wrangler Jl takes 5W-20 Full Synthetic motor oil with a capacity of 5.9 quarts. Brake fluid type is DOT 3, the recommended coolant is Mopar OAT (Purple/Violet), and transmission fluid is ATF+4. Always use the manufacturer-recommended fluids to maintain warranty coverage and engine longevity.

When mounting wheels on the Jeep Wrangler Jl, torque the lug nuts to 130 ft-lbs using a calibrated torque wrench. Over- or under-torquing can lead to warped brake rotors or loose wheels. Re-torque after 50 to 100 miles on newly installed wheels.

There are 14 NHTSA safety recalls on file for the 2018 Jeep Wrangler Jl. Check the Recalls tab below for full details.

Specifications on this page are compiled from multiple publicly available sources including manufacturer documentation, NHTSA data, and automotive databases. Always cross-reference with your owner's manual or official factory documentation before purchasing parts or performing any service.

The 2018 Jeep Wrangler Jl uses 5W-20 Full Synthetic motor oil (5.9 qt capacity), requires lug nuts torqued to 130 ft-lbs, takes DOT 3 brake fluid.

2018 Jeep Wrangler Jl Specifications
Motor Oil5W-20 Full Synthetic
Oil Capacity5.9 qt
Lug Nut Torque130 ft-lbs
Brake FluidDOT 3
CoolantMopar OAT (Purple/Violet)
Transmission FluidATF+4
Transmission Fluid
Fluid Type
ATF+4
Shop
Coolant
Fluid Type
Mopar OAT (Purple/Violet)
Shop
Brake Fluid
Fluid Type
DOT 3
Shop
Washer Fluid
Windshield
Shop
DTC Code Lookup

Enter a diagnostic trouble code to see causes, symptoms, and fixes for the 2018 Jeep Wrangler Jl.

No known problems reported for this vehicle yet.

14 NHTSA safety recalls for the 2018 Jeep Wrangler Jl. Check your VIN at NHTSA.gov

1

BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

Campaign: 24V676000 Date: 12/09/2024

Chrysler (FCA US, LLC) is recalling certain 2018-2024 Jeep Wrangler vehicles. The wiring harness for the rearview camera and the center brake light may short circuit, which can disable the rearview camera image and center brake light. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard numbers 111, "Rear Visibility" and 108, "Lamps, Reflective Devices, and Associated Equipment."

Consequence

A rearview camera image that does not display decreases the driver's visibility, increasing the risk of a crash. Additionally, a center brake light that fails to illuminate can fail to indicate to other drivers that the vehicle is slowing down, increasing the risk of a crash.

Remedy

Dealers replaced the harness for the center brake light and rearview camera and/or the spare tire carrier/harness assembly, as necessary, free of charge. All vehicles were repaired by January 15, 2024. Owner notification letters were mailed September 26, 2024. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is 77B.

2

ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

Campaign: 24V652000 Date: 05/09/2024

Chrysler (FCA US, LLC) is recalling certain 2020-2024 Jeep Gladiator and 2018-2024 Jeep Wrangler vehicles. The instrument panel cluster may experience an internal short circuit and fail. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 101, "Controls and Displays."

Consequence

An instrument panel that fails to display critical safety information, such as the speedometer or warning lights, can increase the risk of a crash.

Remedy

Dealers will replace the instrument panel cluster, free of charge. Owner notification letters were mailed between October 3, 2024, and January 23, 2025. Owners may contact FCA customer service at 1-800-853-1403. FCA's number for this recall is 30B.

3

POWER TRAIN:CLUTCH ASSEMBLY

Campaign: 23V116000 Date: 23/02/2023

Chrysler (FCA US, LLC) is recalling certain 2018-2023 Jeep Wrangler, and 2020-2023 Jeep Gladiator vehicles equipped with manual transmissions. The clutch pressure plate may overheat and fracture.

Consequence

Overheated clutch components may increase the risk of a fire. Additionally, damage to other nearby components can result in debris falling onto the road or a loss of drive, increasing the risk of a crash.

Remedy

Dealers will replace the clutch assembly and update the software, free of charge. Owner notification letters were mailed from November 16, 2023 through July 25, 2024. Owners may contact (FCA US, LLC) customer service at 1-800-853-1403. FCA US LLC's number for this recall is 19A. This recall expands and replaces previous recall 21V-028. Vehicles previously repaired under recall 21V-028 will need to have the new remedy completed.

4

POWER TRAIN:CLUTCH ASSEMBLY

Campaign: 21V028000 Date: 28/01/2021

Chrysler (FCA US, LLC) is recalling certain 2018-2021 Jeep Wrangler and 2020-2021 Jeep Gladiator vehicles equipped with manual transmissions. The clutch pressure plate may overheat and fracture.

Consequence

Overheated clutch components may increase the risk of a fire. Additionally, damage to other nearby components can result in debris falling onto the road or a loss of drive, increasing the risk of a crash.

Remedy

FCA US LLC will notify owners, and dealers will add software to reduce engine torque capability when clutch assembly temperatures rise to a level that may damage the inner pressure plate, free of charge." FCA has ordered a stop sale for the affected vehicles as of February 25, 2021. Owner notification letters were mailed on March 4, 2021.

5

POWER TRAIN:CLUTCH ASSEMBLY

Campaign: 20V124000 Date: 03/03/2020

Chrysler (FCA US LLC) is recalling certain 2018-2020 Jeep Wrangler and 2020 Gladiator vehicles equipped with manual transmissions. The clutch pressure plate may overheat and fracture.

Consequence

The overheated clutch components may increase the risk of a fire. Additionally, damage to other nearby components can result in debris falling onto the road or a loss of drive, increasing the risk of a crash.

Remedy

Chrysler will notify owners, and dealers will reroute a wire harness and inspect the clutch system, and replace components as needed. The recall began April 30, 2020. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is W12.

6

SEAT BELTS:FRONT:ANCHORAGE

Campaign: 19V680000 Date: 26/09/2019

Chrysler (FCA US LLC) is recalling certain 2011-2018 Jeep Wrangler right hand drive vehicles. The driver's seat belt buckle mounting strap may fracture and separate from the seat frame.

Consequence

A separated or severed seat belt buckle strap will result in an inoperable seat belt, increasing the risk of injury in the event of a crash.

Remedy

FCA US will notify owners, and dealers will replace the driver's seat belt buckle, free of charge. Interim notices informing owners of the safety risk were mailed November 19, 2019. Owners will received a second letter and the recall began March 26, 2020. Owners may contact FCA customer service at 1-800-853-1403. FCA's number for this recall is VA6.

7

EQUIPMENT

Campaign: 19V320000 Date: 23/04/2019

Erwin Hymer Group USA LP dba American Fastbacks (EHGUSA-AF) is recalling certain 2018 Jeep Wrangler vehicles sold with a roof top tent installed. The top cover of the roof top tent may crack or break, possibly resulting in the cover detaching from the vehicle while moving.

Consequence

If the roof top tent cover detaches from the vehicle while moving, it can create a road hazard, increasing the risk of a crash.

Remedy

The remedy for this recall is still under development. The recall began May 9, 2019. Owners may contact American Fastbacks customer service at 1-844-533-7997 extension 301. Note: Vehicles in this recall are also included in recall 19V-190.

8

LATCHES/LOCKS/LINKAGES:DOORS:LATCH

Campaign: 18V786000 Date: 08/11/2018

Chrysler (FCA US LLC) is recalling certain 2018 Jeep Wrangler four-door vehicles. The right rear passenger door latch may not be in the correct location, possibly preventing the door from latching properly.

Consequence

If the right rear passenger door opens unexpectedly, it can increase the risk of injury.

Remedy

Chrysler will notify owners, and dealers will repair the right rear door latch reinforcement, free of charge. The recall begin December 6, 2018. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is UB6.

9

STRUCTURE:FRAME AND MEMBERS

Campaign: 18V675000 Date: 28/09/2018

Chrysler (FCA US LLC) is recalling certain 2018-2019 Jeep Wrangler vehicles. The front track bar brackets may be improperly welded, which can cause the bracket to separate from the frame, reducing steering capability.

Consequence

An unexpected reduction in steering ability, can increase the risk of a crash.

Remedy

Chrysler will notify owners, and dealers will inspect and repair the track bar bracket welds, as necessary, free of charge. The recall is expected to begin November 17, 2018. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is UA5.

10

ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD

Campaign: 18V524000 Date: 09/08/2018

Chrysler (FCA US LLC) is recalling certain 2018 Jeep Renegade, Compass and Grand Cherokee, RAM 1500 and Promaster, Fiat 500x, Dodge Journey, Challenger, Charger and Durango and Chrysler 300x vehicles, 2017-2018 Jeep Wrangler, Dodge Grand Caravan and Chrysler Town and Country vehicles and 2018-2019 Jeep Cherokee and 2018 Chrysler Pacifica and Pacifica Hybrid vehicles. The powertrain control module may be equipped with a voltage regulator chip in the circuit board that may fail, causing a stall or a no start condition.

Consequence

A vehicle stall can increase the risk of a crash.

Remedy

Chrysler will notify owners, and dealers will replace the powertrain control module, free of charge. The recall began October 2, 2018. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is U87.

11

STEERING

Campaign: 18V343000 Date: 25/05/2018

Chrysler (FCA US LLC) is recalling certain 2018 Jeep Wrangler vehicles. The intermediate steering shaft may not have been properly welded causing a split where the external spline is formed.

Consequence

If the weld seam splits, the steering wheel may lose center positioning causing a loss of steering responsiveness and increasing the risk of a crash.

Remedy

Chrysler will notify owners, and dealers will inspect and, as necessary, replace the intermediate steering shaft, free of charge. The recall began June 21, 2018. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is U48.

12

ELECTRICAL SYSTEM:WIRING

Campaign: 18V332000 Date: 17/05/2018

Chrysler (FCA US LLC) is recalling certain 2014-2018 Dodge Journey, Charger and Durango, RAM 2500, 3500, 3500 Cab Chassis (more than 10,000lb), 4500 Cab Chassis and 5500 Cab Chassis, Jeep Cherokee and Grand Cherokee and Chrysler 300, 2014-2019 RAM 1500, 2015-2018 Dodge Challenger, 2015-2017 Chrysler 200, 2016-2018 RAM 3500 Cab Chassis (less than 10,000 lb), 2017-2018 Chrysler Pacifica and 2018 Jeep Wrangler vehicles. These vehicles are being recalled to address a defect that could prevent the cruise control system from disengaging. If, when using cruise control, there is a short circuit within the vehicle's wiring, the driver may not be able to shut off the cruise control either by depressing the brake pedal or manually turning the system off once it has been engaged, resulting in either the vehicle maintaining its current speed or possibly accelerating.

Consequence

If the vehicle maintains its speed or accelerates despite attempts to deactivate the cruise control, there would be an increased risk of a crash.

Remedy

Chrysler will notify owners, and dealers will inspect the software, and perform a software flash on the engine or powertrain control module, free of charge. The recall began June 4, 2018. Owners may contact Chrysler customer service at 1-800-853-1403. Note: Owners are advised to stop using cruise control until the software update has been performed. In the event that cruise control cannot be disengaged while driving, owners should firmly and steadily apply the brakes and shift the transmission to neutral, placing the vehicle in park once it has stopped.

13

POWER TRAIN:AUTOMATIC TRANSMISSION

Campaign: 18V280000 Date: 01/05/2018

Chrysler (FCA US LLC) is recalling certain 2018 Dodge Charger, Durango and Challenger, Jeep Grand Cherokee and Wrangler, Chrysler 300, and RAM 1500 vehicles. An incorrect transmission park lock rod may have been installed in the transmission.

Consequence

If the incorrect park lock rod is installed, the transmission may not shift into 'PARK' and keep the vehicle from moving, increasing the risk of unintended vehicle movement and the risk of a crash.

Remedy

Chrysler will notify owners, and dealers will install the correct park lock rod, free of charge. The recall began June 28, 2018. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is U43.

14

STRUCTURE:FRAME AND MEMBERS

Campaign: 18V231000 Date: 12/04/2018

Chrysler (FCA US LLC) is recalling certain 2018 Jeep Wrangler vehicles. The rear under body ladder rail may corrode, possibly reducing the strength of the rear floor pan and causing the left rear seat mount to become loose.

Consequence

If the floor pan strength is reduced and/or the rear seat mount becomes loose, the rear seat may detach in a crash, increasing the risk of injury.

Remedy

Chrysler will notify owners, and dealers will inspect and, as necessary, coat the interior and exterior of the driver's side rear underbody ladder rail with three-part rust protection. The recall began September 11, 2018. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is U27.

Have the VIN?

Decode your VIN for even more detailed specs including trim-level data.

Decode a VIN
Wrangler Jl — Other Model Years
202120202019
See Also
2018 Jeep Wrangler Jl Lug Nut TorqueBest Oil for 2018 Jeep Wrangler JlAll Vehicles Using 5W-20 Full Synthetic OilAll Vehicles Using DOT 3Oil Change Guide: 2018 Jeep Wrangler JlWiper Replacement: 2018 Jeep Wrangler Jl