XJS ( X27 ) 1975 - 1996 3.6 4.0 5.3 6.0

1987 XJ-S V12 drivers seat is shot.

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Old Nov 7, 2025 | 02:15 PM
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Default 1987 XJ-S V12 drivers seat is shot.

The subject line says it all.

My preference would be to replace the entire left front seat assembly, but I can't find one.

However, I see some 1988 seats, but they appear to have a seat belt that is attached to the seat frame, not to the vehicle frame. I could likely work around this, but I wonder if there may be other differences.

Thanks,

John
1987 XJ-S V12
70,000 miles



 
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Old Nov 7, 2025 | 03:51 PM
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Seat belts should NEVER be attached to anything except the body.
Take a pic of what make you say that.
 
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Old Nov 7, 2025 | 04:33 PM
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Motorized passive belts attach to the seat frame….used in ‘88 on cars built after 1/1/88
 
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Old Nov 7, 2025 | 04:39 PM
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Originally Posted by RGK20m3
Motorized passive belts attach to the seat frame….used in ‘88 on cars built after 1/1/88

Sure and we all know what a great idea that was.
 
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Old Nov 8, 2025 | 04:27 AM
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Around 1988 Jag narrowed the seat slide/runners by 1 inch.
I think this was because they needed room for the seat belt receiver to be mounted to the seat, rather than the floor.
Folks have welded tabs to seat so the later type fit the earlier floor attachment points.
Lots of info in Kirby's book.
Rob
 
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Old Nov 8, 2025 | 07:23 AM
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Originally Posted by Robert Laughton
Around 1988 Jag narrowed the seat slide/runners by 1 inch.
I think this was because they needed room for the seat belt receiver to be mounted to the seat, rather than the floor.
Folks have welded tabs to seat so the later type fit the earlier floor attachment points.
Lots of info in Kirby's book.
Rob
Looking carefully at the photo posted by the OP, I think that the belt is bolted to the sill. Even if not, I would be amazed if he does not find a seat belt attachment point under the carpet on the sill. The belt runs under the recline-adjuster handle up from the sill.
I think that the seat is not the later "Recaro" style one with the narrower type of seat and runners.
 
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Old Nov 8, 2025 | 10:21 AM
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See photo. This is for a 1988.

I can weld, so that *may* be the answer. I'll take a look at what Kirby has to say.

Pic won't load, but you can see it here:
https://www.ebay.com/itm/11597926541...tion=view_item

Thanks,

John
1987 XJ-S V12

 
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Old Nov 8, 2025 | 07:56 PM
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I converted my ‘88, which originally had the motorized belts, to manual. There were attachment points on the body to accommodate them. I retained the original seats and just removed the belt bits; on the inboard side, adjacent to the console, there is a weldment on the lower seat frame. It doesn’t interfere with anything.
 
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Old Nov 12, 2025 | 07:16 AM
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PM sent
 
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Old Nov 12, 2025 | 07:42 AM
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E-seat in Houston TX sells excellent replacement seat covers for a very reasonable price (about $400 for a complete front set) . Seat pattern style and color matched. Not quite original OEM Connolly leather quality but also not thousands of $$'s.
 
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Old Nov 12, 2025 | 10:41 AM
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Originally Posted by BradsCat
E-seat in Houston TX sells excellent replacement seat covers for a very reasonable price (about $400 for a complete front set) . Seat pattern style and color matched. Not quite original OEM Connolly leather quality but also not thousands of $$'s.
L-seat.

Can confirm. The seat covers they made for me are still looking good 7-8 years later, and I daily drive my car all year round.
 
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Old Nov 12, 2025 | 10:43 AM
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my goof.

It's L-seat.
 
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Old Nov 18, 2025 | 01:26 PM
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So, when they say "seat covers", is it just something you pull over the existing seat?

Could someone send a photo of one installed, I'm not quite getting it. Senior moment maybe :-)

Thanks,

John
 
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Old Nov 18, 2025 | 01:29 PM
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No, you would have to remove the current leather skin on the seats and put new ones on. The leather is just the skin of the seat that hides the structure and foam of the actual seat. Google "How to Reupholster Car Seats"

You can buy a car seat cover, which would simply slide over your existing seat. They look terrible though.
 
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