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Service Intervals & Specifications

REPLACEMENT INTERVALS

Component

Interval (Miles) (Regular Schedule)

Interval (Miles) (Severe Duty)

Accessory Drive Belt

⁽¹⁾

⁽²⁾

Air Filter

30,000

⁽²⁾

Cabin Air Filter

15,000

⁽²⁾

Coolant

⁽⁴⁾

⁽²⁾

Fuel Filter

30,000

15,000

CNG Fuel Tanks

⁽⁵⁾

⁽⁵⁾

Oil & Filter

5000

3000

PCV Valve

100,000

⁽²⁾

Rear Axle Fluid

150,000

100,000

Spark Plugs

100,000

60,000

Timing Belt ⁽³⁾

120,000

⁽²⁾

A/T Fluid

30,000 ⁽⁶⁾

30,000 ⁽⁷⁾

M/T Fluid

⁽⁸⁾

⁽²⁾

⁽¹⁾	On Escort, replace at 60,000 miles. On all other vehicles, replace at 150,000 miles if not replaced within last 100,000 miles.

⁽²⁾	If vehicle is driven in dusty conditions, used for delivery, as a taxi, patrol car or for towing, inspect and replace as required.

⁽³⁾	On Cougar, Escort and Focus equipped with 2.0L engines only.

⁽⁴⁾	Green engine coolant replaced at 45,000 miles, and then every 30,000 miles thereafter. Orange engine coolant replaced at 150,000 miles.

⁽⁵⁾	Fuel tanks for Compressed Natural Gas (CNG) vehicles, should be inspected every 30,000 miles and should be replaced every 15 years.

⁽⁶⁾	On vehicles equipped with AX4S, 4F50N, 4R70W or 4F27E only. All other vehicles, replace A/T fluid at 150,000 miles.

⁽⁷⁾	All vehicles.

⁽⁸⁾	On LS models, replace M/T fluid at 60,000 miles. On all others, replace M/T fluid at 120,000 miles.