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Has there been documentation of the wiper motors from '56-'62 having a assembly date code stamped on them?
I have a 5044251 unit for a '59 truck that has a date code of Jun 9 '59 stamped on the cover.
The other motors I have, Corvettes & Pass car, do not have a date code that I can find.
I bought a NOS 55 truck wiper motor on E-Bay for my 55 Corvette which is identical for the 55 and 56 Corvette . You just change the backing cover with your old one and presto you have a new motor for about $100.00 or so instead of $100's through Corvette dealers. But it had no date mark. Good used ones can be found for $25.00 or so if you 55, 56 guys need a spare.
Thanks Guys,
It is what I though might be the case. I believe that all the motors had the Black Ink stamp on the front cover, but the placement of the wiper motors in the corvettes over time have removed the evidences.
The truck wiper was mounted inside the cab and was protected so it was still on the truck motor.
As to the comments about the truck motor beinging the same as the corvette, the 59 truck motor that I have looks the same on inside as my 59 corvette motor. The only differences that I have found is the shaft that drives the oscillating shoe for the wiper plate, the type of oscillating shoe used, the rear cover mounting plate, the front cover with part number stamp and the supporting shoe that holds the rear of the motor to the fiberglass dash.
Tony--
Can't agree with your assumption that all were date stamped. I've been looking at them since 74, and have looked at too many low-mile unaltered cars that had no evidence of stamping of any kind.
If you really want something interesting--have you seen any early 62 motors with 5444479 typed onto a white tape-like material and applied over the 5044266? I've seen several--had to have been done at manufacture!
Mike, my assumption about the date stamp could very well be wrong and I respect you experience and advice.
However, I have this nagging suspicion about the date code due to other electrical item used by GM in building the C1. My employment of 30 years at the assembly plant, starting with the C2's, leads me to consider the detail used in the tracking of parts used by GM. If you consider the clocks and gauges alone in respect to the wiper motor, one would believe that the motor should be marked.
At this point I guess we just do not know.
About the assembly plant remarked motors:
If you would ask me to guess why the ’62 wiper motors had a taped on part number, I would have to guess like you as to why it happened. My first guess would be a shortage of top plates at the manufacturer of the motor and they went with the same general rule that we always heard. (Equal or Better) This rule applied to the repair arm of the workforce and was used by the engineers that arranged the deviations also. There could also have been the request by the manufacturer to use obsolete or excessive plates with a corrected part number so installed and this was their method.
Thanks for you input and a big thanks for all the articles that you have written in the past.
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