Jeep Wrangler: ENGINE COMPARTMENT / 3.0L Diesel Engine

3.6L Gasoline Engine

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Checking Oil Level

To ensure proper engine lubrication, the engine oil must be maintained at the correct level. Check the oil level at regular intervals, such as every fuel stop...

Other information:

Jeep Wrangler 2018-2026 Owners Manual: To Start The Engine While In Autostop Mode

When the gear selector is in NEUTRAL, the engine will start when the clutch pedal is pressed (does not require complete/full pedal press). The vehicle will go into STOP/START SYSTEM NOT READY mode until the vehicle speed is greater than 5 mph (8 km/h)...

Jeep Wrangler 2018-2026 Owners Manual: Draining Fuel/Water Separator Filter — Diesel Engine

The fuel/water separator housing is located inside the left frame rail in front of the fuel tank. The best access to this water drain valve is from under the vehicle. CAUTION! Do not drain the fuel/water separator filter when the engine is running...