2004 Saturn Ion 1 StandardFACTORY OEM SERVICE PROCEDURE

Removal Procedure

  1. Disconnect the IAT sensor harness connector.
  2. Fig 1: View Of IAT Sensor Harness Connector
    GM851290Courtesy of GENERAL MOTORS CORP.
  3. Loosen the air cleaner assembly clamp.
  4. Disconnect the air cleaner assembly clips.
  5. Remove the upper air cleaner cover.
  6. Remove the air cleaner filter from the lower air cleaner housing.
  7. Inspect the air cleaner filter for dust, dirt and water contamination.
  8. Fig 2: Exploded View Of Air Cleaner Filter
    GM851250Courtesy of GENERAL MOTORS CORP.
  9. Replace as necessary. Refer toScheduled Maintenance in Maintenance and Lubrication.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

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

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

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.