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Thursday, 6 September 2018

O/S/R Wing repairs

On my last post about the repairs on the O/S/R wing I mentioned how it was secured at the back with a single bolt for ease of removal. Obviously it is important that this bolt is secured firmly and that the wing is in good condition. The later was not the case on mine and could have had disastrous consequences. The section of wing surrounding the boss had fractured approximately 50% of the circumference and copious amounts of paint and underseal was disguising the fact.

Outside of the fracture which was covered with paint

Inside of the fracture after underseal was cleared away
I think the way forward on this repair will be to braze as the existing metalwork is quite thin. This will add plenty of material and is more forgiving.

Monday, 13 August 2018

O/S/R Wing repairs

The rear wings on the DS saloons are easily removed with one bolt at the rear, which is the same 19mm socket size as the wheel nuts, and secured at the front by two pegs that locate into rubber mounts in the wing closing panel. The reason behind the simplicity is obvious to DS owners who have ever removed a rear wheel as the wing has to be removed first. Even in the high suspension position there is insufficient clearance to remove the wheel with the wing in place.

O/S/R wing showing securing bolt (the big hole is for the rear reflector)
The closing panel with its seal that sits against the c-post was a trap for road dirt and moisture and hence severe corrosion was inevitable due to the lack of modern rust proofing techniques.

Fortunately replacement rear wings are available from the clever Dutch people, however, they are quite expensive. Alternatively, there are repair panels made for the common corrosions areas,  providing the rest of the wing is in sound condition this is a viable solution.

On the Pallas models additional trims and door rubbing strips were fitted, which looked nice, but created water traps and surface corrosion which now needs treating.

The next 5 photos show the extent of the corrosion and bad previous repairs.

Corrosion around inside lower mount near support brace

Corrosion around inside top mount

Corrosion around outside top mount
The photo below shows the location of the rubber seal that sits against the c-post and the tabs that secure the seal between the wing and rear door, both seals have long gone but replacements are available.

Corrosion around outside lower mount

Corrosion around inside support brace
After carefully measuring the original dimensions of the wing, cutting out the corroded areas can begin, this has been scribed to the repair panel which will be joggled underneath the cut. The next photos show the original dimensions and you can also see the surface corrosion caused by water being trapped in the trims and rubbing strips.

Bottom dimension

Top dimension
After a rough cut close to the scribe line with air shears I finished off with hand held tin snips, I find these more accurate and leave a better cut without distorting the metal. Care also has to be taken around where the support brace is welded in place.

Top of rear wing cut away

Bottom of rear wing cut away

Inside of rear wing cutaway avoiding support brace
After cutting back to good metal the paint and underseal is removed and the repair panel is offered up for a trial fit. Keeping to the original dimensions the panel is clamped in place and secured with Cleco fasteners.

Bottom of repair panel in palce

Top of repair panel

Location of support brace which will be plug welded to the repair panel
Cleco fasteners allow a temporary but secure solution to join two pieces of sheet metal together. They allow a trial fit and make any fine adjustments before being permanently welded in place.

Rear wing in place to check the fit and shut line against the rear door

Here you can see the plastic pegs on the c-post supporting the front of the wing
That's all for now, next step is to weld the panel in place... updates to follow.

Saturday, 21 July 2018

New arrival

I met a few people at the Citroën Car Club National meeting this month at Abbots Ripton who were enquiring about the progress of my restoration. Along with blog followers noticing that my last post was November last year I thought I would offer an explanation. Well, work is still continuing on the nearside door bottoms the rear door now wanting a complete door skin. Progress has slowed down due to Christmas and Summer holidays, but the main reason is my Daughter, Lindsey, gave birth to our first Granddaughter, Harlow, in January.

Restoration blogs will be resumed to normal soon. In the meantime i am trying to book accomodation in La Ferté-Vidame, in Perche area, in France for the Citroen centenary celebrations in 2019... I fear I may have left it too late?

Harlow and I just chilling :)