The 2008 Nissan Altima has the most common hook-end wiper arms. See sources and related links below for installation videos. Also, purchase the replacement blades first and there will be additional instructions/illustrations on the replacement packages. Locate and press the tab or button where the wiper blade is inserted into the hook of the wiper arm and pull wiper blade out of hook. You may have to rotate and flex the blade to make enough clearance for the hook to pass through.
Razor blade
The 2002, 2003, 2004, 2005 & 2006 Nissan Altima takes 26" drivers side and 17" passenger side replacement windshield wiper blades. Note however, when buying wipers be sure to always lookup your vehicle make, model and year in the application guide book at the store.
A paint pen. then remove with a razor blade.
The 1999 Nissan Altima wiper blade sizes are 21" drivers and 20" passenger side wiper blades. Do not buy by length-only however. See Sources and Related Links below for more information. Since there are over 22 different wiper arm attachments - be sure to lookup exact wiper blade part numbers by vehicle make, model and year for the brand wiper you decide to purchase. This ensures correct length AND correct attachment.
The 1997 Nissan Altima wiper blade sizes are 21" drivers and 20" passenger side wiper blades. Do not buy by length-only however. See Sources and Related Links below for more information. Since there are over 22 different wiper arm attachments - be sure to lookup exact wiper blade part numbers by vehicle make, model and year for the brand wiper you decide to purchase. This ensures correct length AND correct attachment.
To replace the weatherstripping on 1998 Nissan Altima you have to use needle-nose pliers and a razor blade knife to remove the cracked, brittle weatherstripping. Then, cut underneath it with the razor blade and pull the weatherstripping out with the needle-nose pliers. After that scrape off any old glue stuck to the door frame with the razor blade knife. At the end spread a thin layer of glue from the weatherstripping kit onto both the door frame and the weatherstripping and allow the glue to dry.
The 1997 Nissan Altima takes a 21" drivers side wiper blade and a 20" passenger side wiper blade. Be sure to lookup the exact part numbers for the brand of wipers you choose to buy. This ensures not only the correct lengths, but also the correct attachments. See related links below.
The 2002 Nissan Altima wiper blade sizes are 26" and 17" - see related links below. If its going off the lefthand side (swiping too far) it may be your arms or linkage needs adjustment. If its going off the top, possibly the brand of wiper you purchased should have been a 25 in that brand rather than a 26. (wipers by different styles and manufacturers can vary up to 3/4" in either direction.
Not sure what you mean by "windshield wiper cover," however if you're asking how to remove the rubber blade from the plastic frame - be careful. The end caps do come off but its not recommended. I recommend simply replacing the entire wiper blade. See videos on link below.
The 2006 Nissan Altima takes 26" drivers and 17" passenger side wiper blades. See sources and related links below for more information. Since there are over 22 different wiper arm attachments, do not buy wipers just by length only. Be sure to lookup exact wiper blade part numbers by vehicle make, model and year for the brand wiper you decide to purchase. This ensures correct length AND correct attachment.
Lift wiper assembly off of windshield into "up" position. Rotate 90 degrees. Pull wiper blade assembly gently toward the windshield. It slips right off. Note: Put protective barrier like cardboard or a towel over windshield in case blade assembly snaps back toward windshield to avoid cracking the windshield.
There are several things that you can do to help stop your windshield wipers from squeaking. Clean the wiper blade often to remove dirt and debris. Squirt windshield cleaner fluid on the windows to remove dirt. Ensure that the wiper is screwed in correctly. Replace the blades when it is needed.