22" for both the driver's side and the passenger side.
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 Pontiac Grand Prix wiper blade sizes are 22" 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.
The 2004 Pontiac Grand Am has hook-end wiper arms and are easy to change. See the Sources and Related Links section below for videos on how to change wiper blades as well as what size wiper blades are on the vehicle (correct attachment and lengths). Tip: if you purchase the replacement blades first, there will also 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.
Here they are:Driver = 22"Passenger = 20"
$3 or so at any Toyota dealership. Ask for the wiper refill for a Matrix for the same year as your Vibe.
The 2000-2004 Pontiac Montana takes 24" replacement windshield wiper blades on both sides front and a 16" rear wiper blade. 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.
The 2004 Jeep Grand Cherokee wiper blade sizes are 21" 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.
The 2003-2004 Jeep Grand Cherokee takes 21" replacement windshield wiper blades on both sides front. The front blades are available aftermarket at stores and online. The rear wiper blade is dealer-only.
The 2004 Jeep Grand Cherokee has a Jeep-Proprietary rear wiper blade that you'll probably have to go to the dealer to purchase. It may have instructions on the packaging or the dealer may tell you how to do it. If not, see sources and related links below for the most common wiper arm attachments and the corresponding wiper blade installation videos. Match up the arm attachment and view the appropriate video.
The 2004 has quite a history with that problem. The cowl under the wiper blade is probably warped allowing water in. That water also poses problems for the blower motor which is located right behind the glove compartment.
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 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.