Too broad of a question - re-submit question with more detail of what is happening or what is not happening.
See the Sources and Related Links section below for wiper blade info.
water comes out of rear but dose not come out of front ones
how do you fix timing on wipers 2000 buick regal
Try drilling a very small hole at the rear of the motor to lubricate the bearing
Windshield wipers don't have fuses
Try replacing the temperature control switch for the rear control cluster. Hope that that's the fix. Less than $20.
change them
It would depend on what is wrong with them and what vehicle you have.
Have you checked the rear end fluid yet? Before jumping to a new rear, I would at least see how the fluid is in the rear end.
You fix them to the wiper arms usually a snap fit
First you have to diagnose what the problem is before you can fix it.
Need to know what is wrong with the bottom of back seat.
The worm gear that runs it is stripped, Replace the motor.