Depends on what's wrong with it. If it is the base of the arm stripped out where it attaches to the shaft you replace it, or you can take it off and put some JB Weld or epoxy glue on it and bolt the arm back one. This may make it permanent, but it's a cheap fix.
The 1992 Nissan Sentra wiper blade sizes are 20" drivers and 19" 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 1994 Nissan Sentra wiper blade sizes are 20" drivers and 19" 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 Sentra wiper blade sizes are 21" drivers and 19" 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 2001 Nissan Sentra wiper blade sizes are 22" drivers and 16" 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 1998 Nissan Sentra wiper blade sizes are 21" drivers and 19" 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 1998 Nissan Sentra takes 21" drivers and 19" 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.
The 2011 Nissan Sentra wiper blade sizes are 26" drivers and 17" 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.
This task is extremely easy and is a matter of pressing a little tab, rotating the blade a little bit and pulling it out of the hook. The replacement wiper blades will have instructions. Also, see the U-Hook wiper arm attachment video below.
Resubmit question describing the problem. Question too broad. What is it doing? What is it not doing? Wiper arm? Wiper blade?
You'll need a wiper arm puller, pretty easy takes less than 5 mins to pull
No, just replace it.
Wiper arms cannot be repaired, only replaced. The arm should come off by removing the nut at the bottom of the arm and the washer sprayer hose