The 2004 Hyundai Sonata 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.
The 2004 Chevrolet Tahoe has hook-end wiper arms. Press a little tab where the wiper blade is inserted into the hook. Then pull the wiper blade out of the hook. Be sure to purchase the correct replacements first by looking up your vehicle in the wiper blade books at the store or lookup wiper blade size online. Below are some videos - watch the videos for U-Hook arms.
The 2004 Toyota RAV4 rear wiper blade size is a special 12" rear wiper blade that is very simple to replace once you find a replacement. Unfortunately, most stores do not stock this special rear wiper blade. See the Sources and Related Links section below for more information on the wiper blade itself and installation videos. Once you get the wiper blade, there will also be step-by-step instructions on the packaging. Very easy install.
Pull the wiper arm away from the rear glass. Pivot the blade so that it is perpendicular to the arm and push towards the wiper arm, and voila! See sources and related links below for wiper blade installation videos and for information on the special rear wiper blade.
First remove the plastic cover at the fixed end, this will allow you to lift the wiper arm up and you can then unclip
It is easiest to replace the back wiper blade by carefully prying off the cap at the bottom of the wiper and then remove the whole wiper arm. After that you will be able to easily replace the wiper blade per the instructions given by the wiper blade manufacturer. Once you have done that, simply reattach the arm and snap the cap back in place. This process will take you less than five minutes.
The 2004 Saturn ION has hook-end wiper arms. Look for a little tab where the wiper blade is inserted into the hook, press it and pull wiper blade out of hook. See the wiper blade installation video below for hook-end arms.
The 2004 Jeep Liberty Renegade has a dealer-only rear wiper blade. Since you have to go to the dealer for the blade, ask them for the procedure too.
Assuming that you mean wiper blade (blade and frame) rather than wiper arm (piece from the spindle at the hood to the wiper blade), the 2004 Oldsmobile Alero takes 20" wiper blades on both sides front. 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.
Once you get the correct rear wiper blade, its literally a snap! The wiper blade is tough to find, however see below. Also see below for an installation video.
To change the wiper blades on a 2004-2009 Jaguar XJ8, first lift the wiper arm away from the windshield. Press the release tab on the wiper blade connector and slide the old blade off the arm. Align the new wiper blade with the arm, push it onto the connector until it clicks into place, and then gently lower the wiper arm back onto the windshield. Repeat the process for the other wiper blade.
Step 1 is to find the correct replacement wiper. The 2004 Pontiac Vibe takes a fairly special 11" rear wiper blade that is difficult to find in the stores. Once you have the correct wiper blade it is literally a snap to change it. See sources and related links below for correct wiper blade information and for installation videos.
The 2004 Dodge Durango rear wiper blade size is a special 14" rear wiper blade that is very simple to replace once you find a replacement. Unfortunately, most stores do not stock this special rear wiper blade so please see sources and related links below for more information and installation videos. Once you get the wiper blade, there will be step-by-step instructions on the packaging.