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  #1  
Old 02-08-2013, 07:16 PM
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Join Date: Feb 2013
Posts: 3
W115 W115 door swap?

Hey guys, I own a 1975 300D with problematic vacuum windows and locks. I recently came across an ad on Craigslist for a complete set of 1971 w114 doors with manual locks and windows. I'm wondering if I buy these doors, will I be able to swap the components from the 1971 doors to my 1975 doors? It seems like it would much less of a headache to just convert to manual windows/locks than to deal with my vacuum related issues. Plus, I like the look of the vent windows and small chrome door mirrors.

I am aware that in 1974 MB changed the mirrors and got rid of the vent windows but I'm assuming that all w114/115 door shells are the same. If they are, shouldn't I be able to simply bolt in the 1971 door components into my 1975 doors?

The only other issue I can imagine is the door panels. I would have to carefully cut a hole for the manual window cranks.

Thanks in advance for any advice you guys can give me. I've been lurking in this forum for quite some time and now that I have registered, I hope to contribute as much as I can! Thank you!

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  #2  
Old 02-08-2013, 09:53 PM
Pooka
 
Join Date: Sep 2005
Posts: 664
The best thing to do is wait until someone with access to a Hollander Interchange manual can look this up for you. If you live near a big city you might be able to find one of these manuals at the Library, or arrange for them to get you the loan of one. These are usually in the reference section, so a loan out may not be possible.

Cutting the window crank hole might be easier than you think. I have seen a few of these door panels with the cut-out die cut into the door so all you have to do is take a razor knife and finish cutting them out. Of course you have to be very careful when you do this.
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  #3  
Old 02-08-2013, 10:04 PM
Pooka
 
Join Date: Sep 2005
Posts: 664
But really if the only problem you are having is with the power door locks then the solution is rather simple.

Just disconnect the vacuum module/servo in each door from the vacuum supply, plug the lines, and hey presto! You now have manual locks.

Plug only the lines going to the servo in the doors and leave the servo lines open. This way the air can enter and leave each side with ease. You could also disconnect the rods leading from the servos in the door to the lock assembly and the door locks would move even faster and easier.
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  #4  
Old 02-08-2013, 10:17 PM
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Join Date: Feb 2013
Posts: 3
Thanks for the advice Pooka. I'll definitely be checking my local library for one of those manuals. Also, that's a neat little trick with the door locks. I'll keep that in mind. Unfortunaly that's not my only problem with the vacuum system. My windows are also giving me trouble.

I'm going to inspect these 1971 doors this evening. I'll check back here after. Thanks again for the info!
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  #5  
Old 02-09-2013, 03:51 AM
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Join Date: Feb 2013
Posts: 3
Well I ended up buying the doors tonight. Still not 100% sure if the parts will transfer over to my doors but I got a great deal on them. I ended up leaving with a full set of complete doors (glass, interior panels, mirrors, handles, and trim), front and rear early style bumpers, and an early style steering wheel. All in near mint condition for only $100 USD! Couldn't be any happier right now!

I'll start tearing down the doors early next week and I'll update this thread with what I learn about the compatibility between the two styles of doors.

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