The washer leaked on the lt side. The injector was wet.

Once the front and top of the machine were opened,
I loosened the clamps on each end of the injector. I removed the rubber injector valve and the plastic injector nozzle was inside. I placed the new nozzle inside the rubber valve making sure the lip of the nozzle was locked in the rubber valve as on the one I had removed. I used a little detergent to lubricate the wider end of the rubber valve(as suggested by someone else in their description). I placed the valve into the washer in the same way the old one came out. I tightened the clamps and started the machine. No leak. I put the top and front on and have been happily washing since. This machine was given to us used by my mother-in-law. It is at least 25 years old.
I assumed we would have to replace the machine, but we repaired it for less than $20., including shipping. Thanks.