Jeep Wrangler 2018-2026 Owners Manual / SERVICING AND MAINTENANCE / TIRES / Tires — General Information / Radial Ply Tires

Jeep Wrangler: Tires — General Information / Radial Ply Tires

WARNING!

Combining radial ply tires with other types of tires on your vehicle will cause your vehicle to handle poorly. The instability could cause a collision. Always use radial ply tires in sets of four. Never combine them with other types of tires.

Tire Pressures For High Speed Operation

FCA advocates driving at safe speeds and within posted speed limits. Where speed limits or conditions are such that the vehicle can be driven at high speeds, maintaining correct tire inflation pressure is very important...

Tire Repair

If your tire becomes damaged, it may be repaired if it meets the following criteria: The tire has not been driven on when flat. The damage is only on the tread section of your tire (sidewall damage is not repairable)...

Other information:

Jeep Wrangler 2018-2026 Owners Manual: ENGINE BLOCK HEATER — IF EQUIPPED

The engine block heater warms the engine, and permits quicker starts in cold weather. Connect the cord to a standard 110-115 Volt AC electrical outlet with a grounded, three-wire extension cord. Diesel Engine Block Heater Cord Location The engine block heater cord is found under the hood bundled up next to the Power Distribution Center (PDC)...

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...