Re: 1941 Packard Hydraulic Window Motor/Pump
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Forum Ambassador
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No ideas on where you might find a pump but I doubt it will be easy. Postwar pumps are different and even with the pumps used by other postwar mfgs being almost identical, the postwar pumps can also be hard to find. If you do find something Hydro-E-Lectric MIGHT be willing or able to work on it as they do work on the postwar type. I have not checked prewar cylinder availability but they do repro the postwar cylinders. No idea if they would be able to supply the prewar cylinders and there is a good chance yours will not be in great shape.
The prewar system, pump and operation is quite different from the postwar hydraulic windows in that the prewar pump was reversible and ran both directions to hydraulically operate the window both up and down. Pump sent fluid from the storage tank to push the window up and sucked it back out along with using a spring to assist in lowering. Postwar pumps ran one direction to push the window up with only a spring and gravity being used to lower them. There are a few prewar service letter articles that covered various parts of the windows. There is a wiring diagram and theory of operation covered in a couple of them. You might get a few troubleshooting tips reading thru the others. The service letters can be downloaded from the literature archive. Go to the 37-42 BODY category and toward the bottom of the page there are 6 articles pertaining to the windows. No idea on what the plumbing under the seat might be for unless it is just a junction point for the tubing going to windows. I could be wrong but don't believe the hydraulic power seat that was usually part of the postwar window system was available in prewar models.
Posted on: Yesterday 18:12
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Howard
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Re: 1941 Packard Hydraulic Window Motor/Pump
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Home away from home
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Many years ago a very good friend restored a 42 formal sedan. The car was sold to Custom Auto then resold and went east and I am sure I have seen it on this website. Clarence replaced the hydraulic system with 6 volt electric lifts from a Mercury as I remember. He found that the original pump unrepairable and after several trips to Hershey gave up and went electric.
Posted on: Yesterday 18:36
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35-1200 touring sedan 42-110 convertible coupe 48-2293 station sedan |
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Re: 1941 Packard Hydraulic Window Motor/Pump
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Home away from home
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There is at least one long-time vendor/rebuilder for hydraulic window lifts, convertible tops, and power seats. I think they go by the name Hydro E Lectric. Hemmings has ads, and Packard Club publications may also. Those systems work very well, and I would avoid changing one to anything else.
Posted on: Today 9:30
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