How to Change Engine Air Filter: 2003 Buick Regal LS 3.8L V6

Buick Regal Model Years - 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004

Step-by-step instructions showing where is the engine air filter and how to remove the housing and replace the Regal air filter

Author

Hans Angermeier is an ASE certified Maintenance and Light Repair Technician and has produced over 100,000 videos showing drivers how to fix things on their cars. He has broad expertise on basic repair procedures covering the majority of cars on the road. Over the past 10 years, Hans has been focused on building CarCareKiosk, which is visited by millions of drivers each month.

2003 Buick Regal LS 3.8L V6 Air Filter (Cabin) Replace
Change your cabin air filter!

Dirty cabin air filter cause undue wear on your car's heater and AC and can cause bad odors

2003 Buick Regal LS 3.8L V6
2003 Buick Regal LS 3.8L V6 Transmission Fluid Check Fluid Level
Check transmission fluid level

Harsh downshifts? Slipping gears? You might be low on transmission fluid

2003 Buick Regal LS 3.8L V6
2003 Buick Regal LS 3.8L V6 Coolant (Antifreeze) Flush Coolant
Coolant flush

Flushing the coolant in your car is not that hard and will extend the life of your engine tremendously - learn how here!

2003 Buick Regal LS 3.8L V6
2003 Buick Regal LS 3.8L V6 Lights Headlight (replace bulb)
Change a burnt out headlight

Avoid tickets and accidents with both working headlights! New bulbs are much brighter too

2003 Buick Regal LS 3.8L V6
See all videos for the 2003 Buick Regal
Share on   Share on Twitter   Share on Facebook
Parts & Tools
panel poppers
screwdriver bit sets
front wiper blades
electric screwdrivers
floor mats
pliers
We may earn a commission from qualifying purchases as an Amazon Associate
Full list of part and tools
Video Description

The engine air filter in your 2003 Buick Regal cleans the air that enters your engine. You should change the filter on your Regal at least once a year or every 20,000 miles, whichever comes first. If you drive in dusty or sandy conditions, you should change your filter more frequently. A dirty air filter will cause your Regal to lose 1 - 3 mpg, depending on your driving, you can save 70 - 100 gallons of gas per year simply by changing your filter regularly. The video above, shows you where the engine air filter is located in your Regal and how to change it!

In addition to improving the fuel economy of your Regal, regularly replacing your air filter will put less strain on your engine. These filters are fairly inexpensive, so check out our parts page for great deals and coupons on a new one (tip: buy several, when you go to check the filter on your Regal, you can easily swap it for a new one if it is dirty). Be sure to adhere to a recurring schedule for your 2003 Buick Regal replacement.

  • Advance Auto coupon for
    20% off entire order: KIOSK20
Ask Mechanic