Cabin Air Filter Replacement — RAM 1500 DIY Guide

The cabin air filter cleans the air you breathe inside your car. Most are behind the glove box and take 15 minutes to replace. On the RAM 1500 (1981-present), this job typically takes about 15 minutes and uses 3.6L Pentastar V6 eTorque-spec parts.

RAM 1500 Specs

  • Production years: 1981-present (DT 2019+)
  • Engines: 3.6L Pentastar V6 eTorque, 5.7L HEMI V8 eTorque, 3.0L EcoDiesel V6
  • Lug nut torque: 130 ft-lbs
  • Oil capacity: 6.0 (V6) / 7.0 (HEMI) qts (0W-20 (V6) / 5W-20 (HEMI))
  • Brake fluid: DOT 3

Common RAM 1500 issues: HEMI MDS lifter ticking and failure; Air suspension compressor failure; Cracked exhaust manifolds.

Pro tip: eTorque 48V mild-hybrid systems require a special procedure to disable before working near the belt — consult the factory service manual.

Symptoms

  • Weak airflow from vents
  • Musty smell when AC runs
  • More dust on the dashboard
  • Allergies worse while driving

Tools

  • Just your hands on most vehicles

Steps

  1. Empty the glove box: Take everything out so it can hang down freely.
  2. Release the glove box stops: Most glove boxes have side stops or arms. Squeeze the sides inward and let the box drop down.
  3. Locate the filter housing cover: It's usually a small rectangular plastic door behind the glove box, marked with airflow arrows.
  4. Remove the cover: Squeeze the tabs and pull the cover off.
  5. Slide out the old filter: Note the airflow direction arrow on the filter — the new one must go in the same way.
  6. Insert the new filter: Match the airflow arrow direction. Slide it into the slot fully.
  7. Replace the cover and glove box: Snap the housing cover back on, then lift the glove box up until the side stops re-engage.

Safety Notes

  • Pay attention to airflow direction — backwards doesn't filter properly

FAQ

What's the lug nut torque spec for the RAM 1500?

130 ft-lbs in a star pattern. Always finish with a torque wrench, never an impact gun.

What engines does the RAM 1500 use, and does that change this job?

Common RAM 1500 engines include 3.6L Pentastar V6 eTorque, 5.7L HEMI V8 eTorque, 3.0L EcoDiesel V6. The procedure is the same across engines, but oil capacity and torque values may vary — confirm against your owner's manual before final assembly.

Are there known RAM 1500 issues to watch for during this job?

Yes — the most common RAM 1500 issues to inspect are: HEMI MDS lifter ticking and failure; Air suspension compressor failure; Cracked exhaust manifolds. While you have the wheel off or the engine open, take 60 seconds to look for these.

How often should I replace it?

Every 15,000-25,000 miles, or annually.

Can I clean it instead?

No, paper filters can't be cleaned effectively. Replace them.