Maintenance schedule

2004 Jeep Wrangler maintenance schedule

Every service on the 2004 Wrangler, with its interval and an estimated cost.

TJ (2nd gen, 1997–2006) · 2.4L I4 / 4.0L I6 · Rev + Daniel Georgiev

Checked against the manufacturer's service schedule · Reviewed Oct 21, 2026 · 1 source

Short answer

The 2004 Jeep Wrangler oil change interval is every 6,000 mi or 6 months, whichever comes first. Schedule A (vehicles not operated under any Schedule B condition): change the engine oil and filter every 6,000 mi or 6 months, whichever comes first. Schedule B (day or night temperatures below 32°F (0°C), stop-and-go driving, excessive engine idling, driving in dusty conditions, short trips of less than 10 mi (16.2 km), more than 50% of driving at sustained high speed in hot weather above 90°F (32°C), trailer towing, taxi, police or delivery service, off-road or desert driving, or operation on E-85 fuel): change the engine oil and filter every 3,000 mi (5 000 km). Chrysler notes that most vehicles are operated under the Schedule B conditions.

Brake Inspection
18,000mi
≈ 29,000km
18 mo
Tire Rotation
6,000mi
≈ 9,500km
6 mo
Engine Air Filter (inspect)
30,000mi
≈ 48,000km
30 mo
Spark Plugs
30,000mi
≈ 48,000km
30 mo

Service intervals

From the 2004 Jeep Wrangler schedule.

From the 2004 Jeep Wrangler schedule.
ServiceEveryStatus
Engine Oil & FilterSafety itemSchedule A (vehicles not operated under any Schedule B condition): change the engine oil and filter every 6,000 mi or 6 months, whichever comes first. Schedule B (day or night temperatures below 32°F (0°C), stop-and-go driving, excessive engine idling, driving in dusty conditions, short trips of less than 10 mi (16.2 km), more than 50% of driving at sustained high speed in hot weather above 90°F (32°C), trailer towing, taxi, police or delivery service, off-road or desert driving, or operation on E-85 fuel): change the engine oil and filter every 3,000 mi (5 000 km). Chrysler notes that most vehicles are operated under the Schedule B conditions.Guide How to Change Your Oil · The engine oil system: what every part does6,000 mi / 6 mo≈ 9,500 km / 6 mo
Tire RotationSchedule A: rotate the tires every 6,000 mi (10 000 km) [6 months]. Schedule B: rotate the tires every 6,000 mi (10 000 km), that is every other 3,000-mi oil change.Guide How to Rotate Your Tires at Home · How to Choose and Use a Torque Wrench6,000 mi / 6 mo≈ 9,500 km / 6 mo
Engine Air Filter (inspect)Schedule A: inspect the engine air filter element and replace if necessary at 30,000 mi and every 30,000 mi after (30,000, 60,000, 90,000, 120,000 mi). Schedule B (dusty conditions among others): inspect the element and replace if necessary every 15,000 mi.Guide How to Replace Your Air Filter (Engine & Cabin)30,000 mi / 30 mo≈ 48,000 km / 30 mo
Spark PlugsReplace the spark plugs at 30,000 mi and every 30,000 mi after (30,000, 60,000, 90,000, 120,000 mi) in both Schedule A and Schedule B.Guide How to Change Spark Plugs · How to Choose and Use a Torque Wrench30,000 mi / 30 mo≈ 48,000 km / 30 mo
Ignition Cables (2.4L only)Schedule A: replace the ignition cables (2.4L only) at 60,000 mi and 120,000 mi. Schedule B: inspect the ignition cables and replace if necessary (2.4L only) at 60,000 mi and 120,000 mi.60,000 mi / 60 mo≈ 97,000 km / 60 mo
Timing Belt (2.4L only)Schedule A: replace the timing belt (2.4L only) at 120,000 mi. Schedule B: replace the timing belt (2.4L only) at 90,000 mi.Guide When to Replace Your Timing Belt: Engineering Over Intervals · Timing Belt vs Timing Chain: What's the Difference?120,000 mi / 120 mo≈ 193,000 km / 120 mo
PCV Valve InspectionSchedule A: inspect the PCV valve and replace if necessary at 60,000 mi, 90,000 mi and 120,000 mi (first at 60,000 mi). Schedule B: at 30,000 mi and every 30,000 mi after. Marked as recommended by the manufacturer to the owner but not required to maintain the emissions warranty.30,000 mi / 30 mo≈ 48,000 km / 30 mo
Brake InspectionSafety itemSchedule A: inspect the brake linings every 18,000 mi (18,000, 36,000, 54,000, 72,000, 90,000, 108,000 mi). Schedule B: inspect the brake linings every 12,000 mi.Guide How to Change Brake Pads: Step-by-Step Guide18,000 mi / 18 mo≈ 29,000 km / 18 mo
Drive Belt InspectionSchedule A: inspect the drive belt and replace as needed at 60,000 mi, then at 72,000 mi, 90,000 mi, 102,000 mi and 120,000 mi (not required if the belt was previously replaced). Schedule B: at 45,000 mi, 60,000 mi, 75,000 mi, 90,000 mi, 105,000 mi and 120,000 mi.Guide How to Replace a Serpentine Belt60,000 mi / 60 mo≈ 97,000 km / 60 mo
Engine CoolantSchedule A: flush and replace the engine coolant at 60 months, regardless of mileage; the 102,000-mi step adds 'Flush and replace the engine coolant if not done at 60 months.' Schedule B: flush and replace the engine coolant at 102,000 mi.Guide How to Flush Your Coolant System60 mo
Transfer Case Fluid (inspect)Schedule A: inspect the transfer case fluid at 30,000 mi, 60,000 mi and 90,000 mi (add if necessary). Schedule B: inspect the transfer case fluid at 30,000 mi and 90,000 mi (add if necessary).Guide How to Change Transfer Case Fluid (4x4 and AWD)30,000 mi / 30 mo≈ 48,000 km / 30 mo
Transfer Case FluidSchedule A: drain and refill the transfer case fluid at 120,000 mi. Schedule B: drain and refill the transfer case fluid at 60,000 mi and 120,000 mi.Guide How to Change Transfer Case Fluid (4x4 and AWD)120,000 mi / 120 mo≈ 193,000 km / 120 mo
Steering Linkage LubricationSchedule A: lubricate the steering linkage joints and outer tie rod ends every 6,000 mi. Schedule B: lubricate the steering linkage tie rod ends every 3,000 mi.6,000 mi / 6 mo≈ 9,500 km / 6 mo
Suspension & Steering Ball Joint LubricationSchedule A: lubricate the steering and suspension ball joints every 12,000 mi. Schedule B: every 6,000 mi.Guide Suspension and Steering Inspection Guide12,000 mi / 12 mo≈ 19,500 km / 12 mo
Battery InspectionOnce a month: inspect the battery and clean and tighten the terminals as required.Guide How to Replace a Car Battery (on a Modern Car) · The car battery and charging system: what every part does1 mo
Manual Transmission Fluid (inspect)At each oil change: inspect the manual transmission fluid level (if equipped). Also check the transmission fluid level once a month and add as needed.6,000 mi / 6 mo≈ 9,500 km / 6 mo
Automatic Transmission FluidNormal service (Schedule A): no scheduled change. Schedule B: drain and refill the automatic transmission fluid and change the filter at 60,000 mi, and drain and refill the fluid and replace the main sump filter at 120,000 mi.Guide How to Change Transmission FluidAs needed
Front & Rear Differential FluidNormal service (Schedule A): no scheduled change. Schedule B (off-highway operation, trailer towing, taxi, limousine, bus, snow plowing or other commercial service, or prolonged operation with heavy loading, especially in hot weather): drain and refill the front and rear axle fluid every 12,000 mi.Guide How to Change Differential Fluid (Rear Axle and Front 4x4)As needed

≈ converted from the other unit and rounded.

Common questions about the 2004 Jeep Wrangler

How often does a 2004 Jeep Wrangler need an oil change?

The 2004 Jeep Wrangler oil change interval is every 6,000 mi or 6 months, whichever comes first. Schedule A (vehicles not operated under any Schedule B condition): change the engine oil and filter every 6,000 mi or 6 months, whichever comes first. Schedule B (day or night temperatures below 32°F (0°C), stop-and-go driving, excessive engine idling, driving in dusty conditions, short trips of less than 10 mi (16.2 km), more than 50% of driving at sustained high speed in hot weather above 90°F (32°C), trailer towing, taxi, police or delivery service, off-road or desert driving, or operation on E-85 fuel): change the engine oil and filter every 3,000 mi (5 000 km). Chrysler notes that most vehicles are operated under the Schedule B conditions.

What maintenance does a 2004 Jeep Wrangler need?

The services not to skip on a 2004 Jeep Wrangler: engine oil & filter every 6,000 mi / 6 mo; brake inspection every 18,000 mi / 18 mo. The table above lists every service with its interval and an estimated cost.

Sources

  1. 2004 Jeep Wrangler (TJ, including Unlimited) Owner's Manual, 2nd edition (DaimlerChrysler; jeep.com owner's manual PDF, archived by the Internet Archive Wayback Machine on 2014-12-22), Maintenance SchedulesReference

Intervals vary by market, engine and driving conditions; your owner's manual is the authority for your car.