Jeep Wrangler: TECHNICAL SPECIFICATIONS / FLUID CAPACITIES

Biodiesel Fuel Requirements

A maximum blend of 5% biodiesel meeting ASTM specification D975 is recommended for use with your diesel engine. If frequent operation with Biodiesel blends that are between 6% and 20% (B6–B20) is desired, the maintenance schedule is subject to shorter intervals...

ENGINE FLUIDS AND LUBRICANTS

CAUTION! Mixing of engine coolant (antifreeze) other than specified Organic Additive Technology (OAT) engine coolant (antifreeze), may result in engine damage and may decrease corrosion protection...

Other information:

Jeep Wrangler 2018-2026 Owners Manual: Front Carpets (Two And Four Door Models):

Remove the front grommets. Front Carpet Grommets Pull the carpet out from the front to the rear. Front Carpet Pulled Away Remove the grommets under the front seat. First for the rear carpet and then the front carpet. Front And Rear Carpet Split Under the back of the front seat, open the carpet split and then pull out the rear edge and slide the carpet to the front (do not remove the harness)...

Jeep Wrangler 2018-2026 Owners Manual: Priming If The Engine Has Run Out Of Fuel — Diesel Engine

WARNING! Do not open the high pressure fuel system with the engine running. Engine operation causes high fuel pressure. High pressure fuel spray can cause serious injury or death. Add a substantial amount of fuel to the tank, approximately 2 to 5 gal (8L to 19L)...