XK8 / XKR ( X100 ) 1996 - 2006

Steel tubing for top latch?

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Old Aug 27, 2012 | 08:51 AM
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Cyqb XK8's Avatar
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Default Steel tubing for top latch?

Is anyone tried to replace latch hoses by steel tubing? I was to do the hose replacement during the winter time but over the weekend weather was too nice so I decided to manually lower the top.... I was able to put it back on but just can't get the rear window to lift back so now I have decided (read no choice…) to do it A.S.A.P…. Any one can refer the right spot to buy the hoses and not be ripped off....

Thanks

 
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Old Aug 27, 2012 | 09:02 AM
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I suggested running brake line under the chassis. You'd still need flexibles from the pump to where you go through the floor and up the left pillar and, of course, you'd have to make two sets of holes in the floor but if you look here
https://www.jaguarforums.com/forum/x...ts-data-29800/
at Removing and Replacing Roof hydraulic hose you can see what a pig of a job the alternative is.
Gus, at Jagrepair makes very reliable hose sets if you want to do it that way.
Trying the brake pipe solution would mean getting the car well up in the air.
If you Google for Poly Armour you'll see the working pressure is way above the roof pump output.
 

Last edited by steveinfrance; Aug 27, 2012 at 09:12 AM.
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Old Aug 27, 2012 | 09:09 AM
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Many have suggested the install of steel tubing including myself but was never purused and the reason why is stability of the latch mechanism. The latch floats and moves with the open and close operation of the roof. Along with that you have road vibration that also adds to the problem. You would need to stabilize the hose and the latch and that would only add time and expense to the project use the factory or aftermarket hoses and install the pressure relief valve and you will be good to go. All can be found on my webpage.
 

Last edited by Gus; Aug 27, 2012 at 09:12 AM.
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Old Aug 27, 2012 | 09:09 AM
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Cyqb XK8's Avatar
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I know You did suggest that:-) I would try to run them in the same spot as the hoses though, But if I am to keep partial hoses even with the tubbing I will make it simple and just put the OEM hoses...
 
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Old Aug 27, 2012 | 09:16 AM
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As Gus says you need hoses at both ends. The advantage of the steel lines is that, next time the hose goes, you've got a quick + simple re-install.
If you were planning on running them inside the car they would be more of a PIA than the flexibles.

Gus I don't pretend to have invented the idea - just suggested it to the OP when he joined.
 

Last edited by steveinfrance; Aug 27, 2012 at 09:20 AM.
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Old Aug 27, 2012 | 09:43 AM
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I had also suggested a few times that the better solution would have been exactly as you suggest--having tubes brazed onto the latch that run at least to the A-pillar and then a coupling at the A-pillar where the flexible lines get attached. In fact the latch mechanism should have been manufactured with the steel tubes already attached basically as a unit.

Doug
 
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