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Old 10-20-2019, 05:27 AM   #91
alexk243
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Default Rear Sliding Door Wont Latch

Was having an issue with the sliding door not wanting to latch closed. I had tried adjusting the latch and it didn't seem to help. I finally realized that it was relative to temperature... it didn't seem to latch well it very cold or very warm temps... which made me wonder. Many people have reported expansion issues with spray foam insulation, which I used in mine, but I had not had any noticeable issues. On a hunch that the expansion of the spray foam could be changing the alignment of the door I decided to remove some spray foam and create slots for expansion and contraction:

BEFORE:


AFTER:


While I was in there I used some thinsulate insulation to add to the gaps I had created and touched up the bottom of the door with some black spray paint.





I also decided to replace the main roller since they are not that expensive and mine looked worn:



Lastly I used some flooring I had left over to cover it all up.



Reinstall was very simple, but is much easier with two people. I ran into a wiring issues since I also replaced the internal door latch so I got pretty good at taking the door on and off to fix the wiring issue (wiring issue thread here). Eventually it was fixed through shorting out a sensor.

It seems that removing the insulation and/or replacing the roller and latch has fixed my door not latching problem. Haven't had an issue with it since!
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Old 10-20-2019, 12:27 PM   #92
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Default Re: 2004 T1N Mountain Bike Van Build

I have found that if the rear roller is even slightly misaligned, the latch won't line up. As the rear roller wears it droops a bit, and can go beyond the ability to adjust it. Unfortunately they don't seem to last very long with daily usage.
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Old 11-14-2019, 05:25 AM   #93
alexk243
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Default Re: 2004 T1N Mountain Bike Van Build

Quote:
Originally Posted by Midwestdrifter View Post
I have found that if the rear roller is even slightly misaligned, the latch won't line up. As the rear roller wears it droops a bit, and can go beyond the ability to adjust it. Unfortunately they don't seem to last very long with daily usage.
Yeah it seems like I am not the only one who was having a hard time dealing with lining up the sliding door. Seems to be a common issue. Just wanted to make sure it was not my spray foam job that caused it, but I replaced so many things at once it would be hard to tell... Either way its been a while now with the door latching perfectly with no issues!
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Old 11-15-2019, 04:48 AM   #94
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Default Re: 2004 T1N Mountain Bike Van Build

Incredibly informative and inspiring thread.

Thanks for taking the time to post so much of the preventative/scheduled maintenance information. I have a 2005 Westfalia built on a 2005 Sprinter 2500 and I just started gutting it for a complete rebuild.

The only thing I can offer in return is make sure that the rear roller assembly on your door is a genuine MB part and not a knock off. I spent a ton of time and frustration repeatedly realigning/adjusting my door after having purchased what was billed by one of the reputable online parts suppliers as a genuine MB rear roller only to find out it was a structurally inferior Chinese knock off.
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Last edited by Robert Foster; 11-15-2019 at 04:52 AM.
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Old 11-21-2019, 04:45 AM   #95
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Default Re: 2004 T1N Mountain Bike Van Build

Quote:
Originally Posted by Midwestdrifter View Post
I have found that if the rear roller is even slightly misaligned, the latch won't line up. As the rear roller wears it droops a bit, and can go beyond the ability to adjust it. Unfortunately they don't seem to last very long with daily usage.
That's been my experience. The smaller two rollers are just plastic spinning on metal, no ball bearings or even metal reinforcement. I wore out 2 sets in 3 years. I came up with a cartridge ball bearing replacement, but it's a DIY fix involving machining on a lathe.
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