Wipers took a Dump

1994redram said

What kind of car? On my 70 dart, the wiper motor was EASILY accessible with the glove box liner out of the way. It's just a few Phillips screws to remove the liner if it's in good shape. My liner was pretty much gone, so I replaced it with a fresh one while I was there.

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And on my 73 Swinger the ONLY way to get at the motor and the arm connected to it is from under the dash.
Also, it's almost centered on the firewall just above where the carpet stops.

To the OP,
Depending on year there are different styles of pivot bushings.
WAY different on the motor arm in different years, as some are plastic cups and some are metal bushings.
Like 67Dart273 said, the service manual and the website he posted the link for will cover it for you.