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Sun Roof Leaking

Ian B Walker

MB Enthusiast
Joined
Jun 7, 2003
Messages
7,668
Location
Freckleton
Car
300-24, saloon and coupe, E300 24 valve diesel estate
<Groan> even more to do to the red shed. The sun roof has sprung a leak by the front left hand corner. The roof now refuses to open. I can see that the offending corner is not closed properly, sits too far down. My question after reading the manuals etc is what nut on the mechanism do I turn, as I would like to open and close the roof to try to re seat it. On mine I have a knurled item that will engauge and disengauge from a rack and a nut with a protrusion (sealed by paint). The book refers to the nut with protrusion, but I am not convinsed. I dont particularly want to have to remove the roof lining as I am led to believe that it is some sort of "task" If anyone here has words of wisdom my ears are open.
 
Ian have you tried the manual sunroof opener closer in the boot i think?

jay
 
the manual opener is in the rear - just in front of the spare wheel - if you are really lucky it's got the handle in there as well - if not a little improvisation is required.

Now, if that doesn't move it easily DON'T force it - they will snap or strip the gear very quickly. If the drive is already stripped then move onto stage 2 .......

A quick "dodge" is to close the roof entirely manually - at about the midpoint of the sunroof panel there is a support bar (a bit of exploration with your hand will find it) which has a flat face on it which seems to be there just for this particular job - applying a reasonable amount of force (upwards and forwards) to this will push the roof closed - be careful not to damage the sun roof's lining whilst you are doing this (you need to remove the roof to change the panel lining).

The "best" way I've found of doing this to sunroofs is to put a pillow against the panel then use your feet to provide the "force" - quite how you get into that position is entirely up to you but it is possible :)

Following this course of action doesn't fix the roof but it does tend to stop leaks and worked very well on our old W123. Opening the roof is a whole different ball game though as there is no way you can get enough force to it.

HTH

Andy
 
andy_k said:
The "best" way I've found of doing this to sunroofs is to put a pillow against the panel then use your feet to provide the "force" - quite how you get into that position is entirely up to you but it is possible

Andy
Please try to film this part of the operation as a 'How to'
Have you considered a waterproof concrete screed?:D

Bob
 
last time I had to do that particular job was on a friends car in the pouring rain (a sudden downpour on a typical British summers day last year) I can assure you the last thing on my mind was getting the digital camera out to take some "humorous" pictures :)

Andy
 
Andy many thanks for your words of wisdom, I will try that when I get up later today.


Bob, sod off :D , you arnt having those wheels, they are mine, all mine :D :D Just because your monster is running on Foreign Steels is no reason to want me to get rid of the shed. ( note, not offensive as Bob and I have been joking about these wheels for some time).
 
just for Ian's benefit

sunroof.jpg


that's what the roof opener looks like in the handbook :)

Andy
 

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