Rear wiper, pain in my @&%

Ever since I got my XJ(90 Pioneer, 2-door) the rear wiper hasn't worked, when you press the switch there is a loud click in the vicinity of the rear wiper motor then nothing until you turn it off then another click so I go to the junkyard today thinking the motor itself is the problem, I remove 2 different motors plug them in and same thing, I narrowed the clicking to the square box plug that a fellow XJer said is for the intermittent wiper so I tried 3 other box plug things hooked up but there was no difference, still a clicking. Anybody have an idea what the problem is?

Chances are you have found 3 other motors that the shaft has siezed up on. The relay tries to run it but the shaft won't turn. I disassembled mine and found the shaft was corroded to the housing.

TIP get one from a 97 or newer, the shaft and housing are different but everything fits just fine. don't forget to take the plastic bezel also as you will need it.

asatxj said:

Chances are you have found 3 other motors that the shaft has siezed up on. The relay tries to run it but the shaft won't turn. I disassembled mine and found the shaft was corroded to the housing.

TIP get one from a 97 or newer, the shaft and housing are different but everything fits just fine. don't forget to take the plastic bezel also as you will need it.

Click to expand...

So the clicking I'm hearing is a good noise then...You think there's any way to dis-asemble the motor and fix it or are they toast as soon as they get like this?

Thanks

I tried to fix one, since I knew I had a spare. I sprayed the shaft down with PB for a couple days, cleanded the old grease out of the gearbox and relubed it. Nothing worked. I couldn't find a way to disassemble it without wrecking it. So I wrecked it and found that I could hardly turn the shaft and hand to pound it out. There is one rubber o-ring that is supposed to keep water from going down the shaft and into the housing. It works for a few years. The newer one has a much better design. I still recommend using PB on it every year and pulling it and replacing the grease in the gearbox every other year if you want it to stay working for a long time. Short answer if you are cheap keep looking for a newer one in the boneyard. If not get one from quadratec. BTW the relay clicking says you have power doing it's job back there. No wiring repairs needed.

Last year I replaced the one on my 98'. Now the "used" replacement is starting to go bad as well. its a JEEP thing.