How to repair a wiper motor
reprinted from the Roadster List

I pulled the wiper motor out of the car and stuck the assembly in a vice to look inside after it stopped working. I checked continuity on the wires, then reassembled the unit. If you ever take an early 67 wiper motor apart, here are a few things you might want to keep in the back of your mind. When you pull the two long screws that hold the motor casing together, do not grab the motor by it's rectangular casing! All the innards tend to fall out. Hold the assembly by the gear casing instead.

If you have to replace the motor brushes (or put the old ones back in because you grabbed the motor by it's rectangular casing) a 17MM deep wall socket inserted between the brushes will hold them retracted in order to get them around the armature. There is a ball bearing on the back side of the motor shaft that you will chase around the shop if you don't find some way to secure it to the shaft during assembly. I used axle grease. Worked great. Also, be sure to reinsert the copper spring clips between the circuit board and the motor case. Don't know what I did, but the motor started working after reassembly. I hate when that happens.

I found replacement wiper motor bushings--the rubber and steel thingies that hold the wiper assembly to the firewall--at Kragen's. It's one of those Help! parts. They are called, of all things, wiper motor bushings! Part number 49450. I can't recall the last thing I bought at a parts store that actually fit without taking a bench grinder to it. Better buy a lottery ticket today!

I posted some pics in the Superbowl 2002 gallery on Picturetrail. Not as much fun as the SoCalROC run this weekend, but a victory at nonetheless. Now to get that dashboard back on...

Paul Bauman
Westminster, CA
67 1600 (wet weather enabled)

 

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