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Stocked up with waxoyl a few months ago but just got round to starting the job this week. 2012 defender 90, just coming up to 3 years old, passed its first MOT last week. Started by taking the front bumper off earlier this week, good condition on the exposed faces but the hidden faces are rusting badly, so took it to the powder coaters. Pressure water jetted through the chassis box sections using a drain cleaning attachment on the pressure washer, very little crap came out. Shining a torch into the chassis in the few largish apertures indicates there is no corrosion in there yet. Externally the chassis is just starting to show surface rust on the various brackets and outriggers, this is only on welds and the platework is still well protected by the original finish. Stuffed some old bed sheets around the brakes, got the compressor out and warmed up the first litre of waxoyl and fitted the spray gun to the can, first litre went into the chassis ok, working on the driveway with a bit of old carpet to lie on and a large piece of cardboard to move around and catch any drips. Very few drips, most of which got mopped up by my hair as I wriggled about underneath. Refilled the can and started the second litre, nearly had a disaster - the short bit of flexi pipe supplied with the spray gun bent stopping the air flow and all the air pressure went into the can, blew the bottom of the can out of shape but luckily it didn't blow out. Changed the pipe for a length of clear braided hose and carried on, got both long chassis rails done internally. Going to try and adapt a canister off a paint spray gun to work with the underseal gun before doing the cross members tomorrow. Plan is to get all the box sections done internally before the weather breaks at the end of this week. External surfaces will have to wait until the next spell of dry weather, probably next year now as I have left it too late.
