Service Intervals & Specifications

REPLACEMENT INTERVALS (RWD & 4WD)

Component

Miles/Months

Light-Duty Service

Dakota, Pickup 1500 & 2500, & RWD Van

Air Filter

30,000/24

Auto. Trans. Fluid, Filter & Adjust Bands

37,500/30

Chassis Lube

7,500/6

Coolant

⁽¹⁾ 52,500/36

Lube Drive Shaft

7,500/6

Man. Trans. Fluid

37,500/30

Oil

7,500/6

Oil Filter

⁽²⁾ 15,000/12

PCV Valve

60,000/60

Spark Plugs

30,000/24

Transfer Case

37,500/30

Heavy-Duty Service

Pickup 2500 & 3500 (Ex. Diesel) & RWD Van

Air Filter & Air Pump Filter

24,000/24

Auto. Trans. Fluid, Filter & Adjust Bands

24,000/24

Chassis Lube

6,000/6

Coolant

54,000/54

EGR Valve

⁽³⁾ 60,000/60

Fuel Filter

As Necessary

Lube Drive Shaft

6,000/6

Man. Trans. Fluid

36,000/36

Oil

6,000/6

PCV Valve

60,000/60

Spark Plugs

30,000/30

Transfer Case

36,000/36

⁽¹⁾	Change coolant every 30,000 miles or 24 months thereafter.

⁽²⁾	If mileage is less than 7,500 miles each 12 months, replace filter at each oil change.

⁽³⁾	Clean EGR passages when replacing EGR valve.

NOTE: Drive belts are equipped with an automatic belt tensioner and no adjustment is required.

CAUTION: DO NOT attempt to check belt tension using a belt tension gauge on vehicles equipped with an automatic belt tensioner.