Service Intervals & Specifications

REPLACEMENT INTERVALS ⁽¹⁾

Component

Months

Miles

Air Filter

Normal Service

30,000

Severe Service

⁽²⁾

15,000

Automatic Transmission

Normal Service

4.0L

⁽²⁾

⁽³⁾ 100,000

4.7L

⁽²⁾

⁽⁴⁾ 100,000

Severe Service

4.0L

⁽²⁾

⁽³⁾ 30,000

4.7L

⁽²⁾

⁽⁴⁾ 30,000

Brake Fluid

Normal Service

60,000

Severe Service

⁽²⁾

60,000

Coolant

Normal Service

60,000

Severe Service

⁽²⁾

100,000

Drive Belt

Normal Service

4.0L

⁽⁵⁾ 60,000

4.7L

⁽⁵⁾ 90,000

Severe Service

4.0L

⁽²⁾

⁽⁵⁾ 45,000

4.7L

⁽²⁾

⁽⁵⁾ 75,000

Front & Rear Axles

Normal Service

⁽⁶⁾

Severe Service

⁽²⁾

12,000

Oil & Filter

Normal Service

6000

Severe Service

⁽²⁾

3000

PCV Valve

4.7L

Normal Service

⁽⁷⁾ 60,000

Severe Service

⁽²⁾

⁽⁷⁾ 30,000

Spark Plugs

30,000

Transfer Case

Normal Service

Selec-Trac

120

120,000

Quadra-Trac

30,000

Severe Service

Selec-Trac

⁽²⁾

60,000

Quadra-Trac

⁽²⁾

30,000

⁽¹⁾

Different interval may be required for normal and severe service. Severe service is described as frequent short trip driving (less than 5 miles), frequent driving in dusty conditions, extensive idling, trailer towing, sustained high speed operation, off road driving, desert operation, cold climate operation and commercial service.

⁽²⁾	Monthly service interval does not apply.

⁽³⁾	Change fluid, filter and adjust bands.

⁽⁴⁾	Change fluid, main sump filter and spin-on cooler return filter.

⁽⁵⁾	Inspect and/or replace as necessary. Check every 15,000 miles afterward.

⁽⁶⁾	Service intervals are not available from manufacturer. Check fluid level at every engine oil change.

⁽⁷⁾	Inspect and replace if necessary.