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Going : soft to hard

Started 16th September 2026 at 12:32 · Keith Thomas

Bought a rear hardtop for my XJ-SC – blue, good condition (thanks, Brian). Then I made the big mistake of deciding to fit it. It soon became obvious that the rear soft-top had not been removed in decades…possibly ever. The Handbook is not the clearest of guides.

I managed to remove 10 of the 11 Allen head bolts securing the rear ‘skirt’ to the car….but of course the 11th one resisted. And resisted. The Allen ‘hole’ rounded off. I used a 3mm drill bit to drill deep enough for a stud extractor. It would not grip it. I used a 6mm drill bit to remove the head off the Allen bolt. At which point I could finally remove the soft-top…after removing how many bolts in total – 20+ ?! What a palaver…..is there a car whose soft-top removal is more labour intensive ?!

Fitting the hardtop was relatively straightforward but once again the handbook could have been more helpful – a picture would have helped — I was thinking the over-centre catches each side on the hardtop must fit into the same brackets that the soft-top uses….no, the brackets need to be removed, then under the lining fabric is a third, lower, hole to bolt the over-centre catches to…in my case there was no hole in the lining fabric, which suggests that a hardtop has never been fitted to the car before.

Once again it is over-complicated and not ideal to have to carry a screwdriver with you and contort yourself into the back seats to undo 2 bolts before the hardtop can be removed.

Several questions remain:

1/ what the heck am I going to do with the still stuck 11th stud ? Drill it out and cut a new thread, I suppose. What is the thread type on all the stainless bolts involved ?

2/ As suggested in the Handbook, I had to use a couple of the soft-top bolts to attach the hard-top because I have no bolts in my ‘stock’ which match that thread – does anyone know the exact thread ?

3/ Which way around should the ‘spade connectors’ on the over-centre catches go – niether way around seems ideal.

4/ Were all cars fitted with wiring for a heated rear window (which my new hardtop has)….I have the combined ‘heated rear screen and heated door mirrors switch’ on the dashboard ? Where is the cable ?

After all the above tribulation, the hardtop fitted does look good….despite it being blue and the rest of the roof being black. See my blue-to-black roof post elsewhere here for that saga.

  • Author
    Replies
    • #26601
      Laurence Jones
      Keymaster

      Hi Keith,

      You can buy the replacement bolts for refitting your soft top, on eBay

      Click Here

      Question 4 : I think you will find that they were all fitted with rear window heating wiring, as they all started life as Coupes. If you remove the “parcel shelf” padded panel across the back of the seat back area you will likely find the wire there.

      Laurence

    • #26603
      Laurence Jones
      Keymaster

      It doesn’t seem to look too good once you’ve removed the soft top bracket after years and years of being there – someone mentioned that they’d heard there was a plastic piece that fitted here, but we couldn’t determine whether it was to hide these “spare” holes or to sit over the hard top bracket in some way. Does anyone have photos of what this might possibly be, or bright ideas on how to tidy up the historic fixing marks ?

      Laurence

    • #26616
      Keith Thomas
      Member

      Thanks for the source of new bolts….

      You’re right — the rust stains left by removing the soft-top bracket do look bad….I was thinking of getting a piece of fabric to match the interior upholstery (blue in my case) and velcro-dot’ing it over the top….could even get a matching bit of leather / vinyl.

      Keith

    • #26618
      Brian Buxton
      Participant

      The hardtop when supplied new were provided with covers which conceal the latches, i have attached a photo of the set i have but as yet have never fitted so not quite sure how they secure to the car. but i guess these also cover the unsightly holes visible after removal of the soft top.

      Brian

    • #26622
      Keith Thomas
      Member

      Just doodling, and was wondering whether a hook on the catch would make it more convenient to remove the hard top (thereby avoiding the squeeze into the back of the car to undo the two bolts).

      Keith

    • #26625
      Laurence Jones
      Keymaster

      Looking at the Jaguar part’s diagram for the hard top it looks like the covers, that Brian has shared a photo above, fit with their two holes upwards. The image below is for the right hand side (when looking from the front seats towards the hard top.

    • #26626
      Laurence Jones
      Keymaster

      In case anyone is interested, the part numbers are :

      BAC6087ND – JAGUAR HARDTOP CATCH COVER (right hand)
      BAC6086ND – JAGUAR HARDTOP CATCH COVER (left hand)

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