How do I locate and change the cabin air filter in a 2001 Nissan Frontier

This is on youtube. Should help you.

Your owners manual tells you that & shows a picture,
as does the internet sites

I would guess if it is like my frontier,you drop the glove
box & replace it behind there

Squeeze the two back corners & let the glove box door drop
down,then go after the cabin filter

For nissan pathfinder cabin air filter replacing procedure with diagrams:---
Click the link below:---

http://repairhelpcenter.blogspot.com/2012/12/2003-nissan-pathfinder-cabin-air-filter.html

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These will help.
Thanks.

Looking at the vehicle its on the right hand side,also before condeming,make sure the MAF (mass air flow ) boot is not torn and there is no vacuum leak causing false air

Dust & pollen cabin air filter location:

Instructions To Replace Cabin Air Filter 2001 LS Things You'll Need

• Pliers Screwdriver Clean damp cloth Handheld vacuum

1. • 1

     Locate the cabin air filter container on your Lincoln LS. Looking at the engine from the front, you will find the casing on the left side against the back firewall. The cabin air filter is mounted vertically and is approximately 6 by 9 inches and about 2 inches deep.
     

   • 2

     Remove the cowling cover by pushing in the black cover pins and lightly prying the cover off with a screwdriver. Lift the filter out of the container.
     

   • 3

     Vacuum the inside of the container to remove any dust or debris. Wipe down the inside and outside of the container and lid with a clean damp cloth, then dry it off completely.
     

   • 4

     Insert the new cabin air filter into the container and check to make sure it is seated properly. Cover the container by putting the lid back on and gently pushing down to make sure the pins click into place.
     

The cabin air filter is located behind the glove compartment, you will have to unscrew 7 screws to remove it and to get access to the In-Cabin Microfilters door. Nissan recommends to replace the microfilters every year or every 15,000 miles.

This video will show you exactly how to change the air cabin filter on your vehicle.

Should only take about 15 minutes to change the cabin air filter. Nissan did in fact provide a location behind the glove box. Remove the glove box by releasing the two pins at the bottom. Then using a phillips screw driver remove the black cover and this will give access to the filter slot.

If you haven't figured it out yet, try the two links below. They have pics and diagrams. I haven't done this yet but, Nissan suggesting to have it done. (Sitting in the dealer having oil changed as we speak. They want $90 to replace the 2 filters.) I'm planning on doing it myself to save about $70. Doesn't look too difficult - just a little time. Parts are about $22 at local parts store. hope this helps. (Won't be back on this forum. So won't see any response you submit back).

http://www.clubfrontier.org/forums/f23/cabin-air-filter-replacement-29892/

http://www.nissanhelp.com/diy/altima/projects/nissan_altima_in_cabin_filter_replacement_procedure_1.htm