Jeep Wrangler: SERVICING AND MAINTENANCE / ENGINE COMPARTMENT

Additional Maintenance — B6 To B20 Biodiesel

NOTE: Under no circumstances should oil change intervals exceed 8,000 miles (12,875 km) or six months, whichever comes first when using biodiesel blends greater than 5% (B5)...

2.0L Gasoline Engine

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Other information:

Jeep Wrangler 2018-2026 Owners Manual: Carbon Monoxide Warnings

WARNING! Carbon monoxide (CO) in exhaust gases is deadly. Follow the precautions below to prevent carbon monoxide poisoning: Do not inhale exhaust gases. They contain carbon monoxide, a colorless and odorless gas, which can kill. Never run the engine in a closed area, such as a garage, and never sit in a parked vehicle with the engine running for an extended period...

Jeep Wrangler 2018-2026 Owners Manual: Front/Rear Axle Fluid

For normal service, periodic fluid level checks are not required. When the vehicle is serviced for other reasons the exterior surfaces of the axle assembly should be inspected. If gear oil leakage is suspected inspect the fluid level. Fluid Level Check Lubricant should be approximately 1/8 inch (3 mm) below the bottom edge of the oil fill hole...