If your vehicle is showing air filter housing is loose, rattling, or vibrating loudly, here are the most likely causes and the parts you'll need to fix each one.
The clips, bolts, or screws that hold the air filter housing lid closed or secure the assembly to the chassis were left loose or lost. This is a very frequent occurrence after a recent oil change or air filter inspection.
The engine air filter was installed slightly misaligned, preventing the housing lid from closing fully and locking down. The loose lid will rattle against the lower box while the engine runs.
The rubber isolators or plastic mounting tabs that cushion the air box against the metal chassis have dried out, cracked, or broken off over time due to heat and vibration.
The plastic piping or resonator box connected to the air filter housing is loose, cracked, or missing its mounting hardware, causing the entire intake assembly to vibrate loudly under acceleration.
Excessive engine movement and vibration due to worn or collapsed motor mounts is transferring directly into the air filter housing, making it rattle violently against the chassis.