conaero
Forum Owner
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Very disappointingly I’ve just found the first rust on the GS!
View attachment 48857
Inside of bottom boot lip coming through seam sealer!
I would start by flooding the area with rust remedy through the drain plugs (making sure they are clear).
Bung them up and fill the area with remedy, let sit for a day, moving the boot up and down to slush it about, then let it drain.
That should be enough to stop it. Repeat yearly and also do the lower rear light sections from behind via the boot trim removal. Then spray with Waxoly.
I usually give the wheel arches (on 4200's) a wipe round and use a syringe to inject it into cavities.
Worth checking the lower door edges and bonnet leading edge too whilst your at it.