Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

1998 Mitsubishi MonteroFACTORY OEM SERVICE PROCEDURE

Replacement Intervals (Mirage)

REPLACEMENT INTERVALS (MIRAGE)

Component

Miles

Air Filter

30,000

Automatic Transaxle Fluid

⁽¹⁾

Coolant

⁽²⁾

Oil

7500

Oil Filter

⁽³⁾ 15,000

Spark Plugs

30,000

Spark Plug Wires

60,000

Timing Belt

60,000

⁽¹⁾	Inspect fluid every 15,000 miles. Replace fluid if evidence of contamination appears, after repairing reason for contamination.

⁽²⁾	Inspect fluid every 30,000 miles. Replace fluid if evidence of contamination appears, after repairing reason for contamination.

⁽³⁾	Replace oil filter at oil change if annual mileage is less than 7500 miles.

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.