The Mazda CX-7 has a special "roc lock 2" arm attachment and the rear wiper blade can be very hard to find in stores. Once you have the correct wiper blade, then its an easy procedure. See sources and related links below for wiper blade info and wiper blade installation videos.
on My 1984 LeSabre, I found that there is a tab near where the wiper arm mounts to the pivot. If you bent the wiper arm back and pull the tab out with a pliers your can then remove the wiper arm. After you put the new one one you have push the tab back in. It has to go far enough in for the spring to be able to pull the wiper against the window.
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.
Simply replace the wiper. If that doesn't work, the wiper arm may be worn out, and doesn't have enough strength left to hold it against the window.
how do you replace wiper crank arm 2001 chevrolet impala?
Replace the windshield wiper arm - it has a spring in it to apply pressure to the windshield - if the old one is not applying enough pressure it is probably broke They are available at most auto stores
1. Bad Wiper Blade(s). 2. Improperly connected to wiper arm. See related link for troubleshooting. 3. Wiper Blade is binding on wiper arm for some other reason other than improperly installed. 4. Improper Wiper Arm Tension - clean and lubercate wiper arm hinge area at base of arm near hood. Replace spring if cleaning and lubercating doesn't work. 5. Bent wiper arm. BE CAREFUL HERE - THIS IS A LAST RESORT. Try bending arm back or replace arm.
Most likely your wiper blade needs replacing. Before replacing however, you can check to see if the arm moves freely away from the window and if there's good pressure back towards the window. You can also see if the wiper blade moves freely on the wiper arm and that its not binding. If both of these checks seem ok, then its probably just a worn wiper blade.
removal of rear winshield wiper arm on 07 outback
# Raise the rear wiper arm finish cap to expose the wiper arm nut. # Remove the rear wiper arm nut (1). # Lift the rear wiper arm assembly (2) away from the rear window and remove the wiper arm from the pivot shaft. The cap tilts up toward the arm
The rear window wiper arm will have a retaining clip at the bottom of the wiper arm. Hold the retaining clip in with two fingers and pull outward on the rear wiper arm.
Remove the wiper arm from the shaft by pressing in the small tab under the arm, and lift up. Then remove the nut on the shaft. That will leave you with only one more nut to remove from inside the window. It's on a bracket attached to the motor.
pull off the wiper blade with and outward motion with your arm and slam the new set of wiper blades back on