Engine Air Cleaner Filter Inspection and Replacement — Gasoline Engine- Page 425

2021 Jeep Gladiator Owner's Manual

Table of Contents

GETTING TO KNOW YOUR VEHICLE
GETTING TO KNOW YOUR INSTRUMENT PANEL
WARNING LIGHTS AND MESSAGES
STARTING AND OPERATING
MULTIMEDIA
SAFETY
OCCUPANT RESTRAINT SYSTEMS
SERVICING AND MAINTENANCE
VEHICLE MAINTENANCE
TECHNICAL SPECIFICATIONS
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SERVICING AND MAINTENANCE

423

NOTE:

Be sure to follow the “Severe Duty Conditions” 

maintenance interval if applicable.

Engine Air Cleaner Filter Selection
The quality of replacement engine air cleaner 

filter varies considerably. Only high quality 

Mopar® filters should be used.

Engine Air Cleaner Filter Inspection and 

Replacement — Gasoline Engine

Follow the recommended maintenance 

intervals as shown in the Maintenance 

Schedule in this section.
Engine Air Cleaner Filter Removal
1. Loosen the fasteners from the engine air 

cleaner filter cover using a suitable tool.

Engine Air Cleaner Filter Cover

2. Lift the engine air cleaner filer cover to 

access the engine air cleaner filter.

3. Remove the engine air cleaner filter from 

the housing assembly.

Engine Air Cleaner Filter Cover

Engine Air Cleaner Filter Installation

NOTE:

Inspect and clean the housing if dirt or debris is 

present before replacing the engine air cleaner 

filter.
1. Install the engine air cleaner filter into the 

housing assembly with the engine air 

cleaner filter inspection surface facing 

downward.

2. Tighten engine air cleaner filter cover 

fasteners using a suitable tool.

WARNING!

The air induction system (air cleaner, hoses, 

etc.) can provide a measure of protection in 

the case of engine backfire. Do not remove 

the air induction system (air cleaner, hoses, 

etc.) unless such removal is necessary for 

repair or maintenance. Make sure that no 

one is near the engine compartment before 

starting the vehicle with the air induction 

system (air cleaner, hoses, etc.) removed. 

Failure to do so can result in serious personal 

injury.

CAUTION!

All air entering the engine intake must be 

filtered. The abrasive particles in unfiltered 

air will cause rapid wear to engine compo

-

nents.

Many aftermarket performance air filter 

elements do not adequately filter the air 

entering the engine. Use of such filters can 

severely damage your engine.

1 — Fasteners
2 — Engine Air Cleaner Filter Cover

8

21_JT_OM_EN_USC_t.book  Page 423  

Detailed Information for 2021 Jeep Gladiator Owner's Manual

Lists of information found in 2021 Jeep Gladiator Owner's Manual - Page 425

  • 1. Loosen the fasteners from the engine air cleaner filter cover using a suitable tool.
  • 2. Lift the engine air cleaner filer cover to access the engine air cleaner filter.
  • 3. Remove the engine air cleaner filter from the housing assembly.
  • 1. Install the engine air cleaner filter into the housing assembly with the engine air cleaner filter inspection surface facing downward.
  • 2. Tighten engine air cleaner filter cover fasteners using a suitable tool.

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