Sill Rot

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PCshedman

Well-known member
Joined
Dec 16, 2009
Messages
112
My 94 Mav is due MOT next month and noticed rear of both sills have had previous(dubious - looking) repairs. How critical are these and why?
 
Well I had mine both inner and outers welded for MOT last year. Clivvy's failed but he did a repair and didn't have the same costs as me. If your lucky he'll come along and post about his repairs.

Jim
 
hello...

well, mine were ONLY the outer sills. Once we cut away the rust to good metal, we could inspect the inner sill, which was solid. We used a special fibreglass repair kit to build up the sill, and then a metal compound to finish. We got the sill looking really good, and solid, but I also drilled two drainage holes per sill, to ensure water is draining properly from inside the sill.

I think if you find the inner sill rusty and thin, get it welded, I dropped lucky with mine. I also treated the inner sill, and outer sill when complete, with kurust then Hammerite direct to rust paint, whcih also turns any rust solid, so handy stuff. MOT man was happy with it, so it passed.

Might not be so lucky in a year or so, but we will see. I think its a good idea to get the carpets up in the rear to inspect the seat belt mounting area, and inspect via the rear wheel arch, can giev you a good indication of what to expect from your inner sills....
 
Think inner sills are ok as they seem solid from underneath and behind. Will do as you say and keep fingers crossed. Thanks
 
I think some people do have the outer sills welded, but I did extensive research, and spoke to a lot of people both in the club and out of it, and the majority saw no problem with an outer sill repair due to the fact that the outersill is pretty thin peice of protective/styling material, and thats simply all we did to repair mine-rebuild it. Theres pics in the forum some where, here ; http://www.nissan4x4ownersclub.com/forum/showthread.php?t=7038&highlight=sills&page=3

you will note on the 4th page, withthe pics, you can see "rust" in the sill, we simply sanded that off to shiney metal, and painted it with kurust, then hammerite, it was SOLID. What you see is surface rust from when we had all that snow, car had been sat for months..
 

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