Jeep Wrangler: SERVICING AND MAINTENANCE / VEHICLE MAINTENANCE

An authorized dealer has the qualified service personnel, special tools, and equipment to perform all service operations in an expert manner. Service Manuals are available which include detailed service information for your vehicle. Refer to these Service Manuals before attempting any procedure yourself.

NOTE:

Intentional tampering with emissions control systems may void your warranty and could result in civil penalties being assessed against you.

WARNING!

You can be badly injured working on or around a motor vehicle. Only do service work for which you have the knowledge and the proper equipment. If you have any doubt about your ability to perform a service job, take your vehicle to a competent mechanic.

Pressure Washing

Cleaning the engine compartment with a high pressure washer is not recommended. CAUTION! Precautions have been taken to safeguard all parts and connections however, the pressures generated by these machines is such that complete protection against water ingress cannot be guaranteed...

Engine Oil

Engine Oil Selection — 2.0L Engine (If Equipped) For best performance and maximum protection under all types of operating conditions, the manufacturer only recommend engine oils that are API SP/GF-6A certified and meet the requirements of the manufacturer Material Standard MS-13340...

Other information:

Jeep Wrangler 2018-2026 Owners Manual: Adding Washer Fluid


The fluid reservoir for the windshield washers and the rear window washer (if equipped) is shared. The fluid reservoir is located in the engine compartment. Be sure to check the fluid level at regular intervals. Fill the reservoir with windshield washer solvent only (not radiator antifreeze)...

Jeep Wrangler 2018-2026 Owners Manual: Engine Coolant Temperature Warning Light


This warning light warns of an overheated engine condition. If the engine coolant temperature is too high, this indicator will illuminate and a single chime will sound. If the temperature reaches the upper limit, a continuous chime will sound for four minutes or until the engine is able to cool, whichever comes first...

Categories

REMOTE START — IF EQUIPPED (DIESEL)

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