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Sorting the boot out.

mikegamble
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Posts: 294
Joined: Wed Jul 16, 2014 7:41 pm
Location: Penzance, sunny Cornwall

Re: Sorting the boot out.

Postby mikegamble » Thu Jan 16, 2020 3:09 pm

Well, good news and bad news.
The good news is I now have a fully functioning aerial and, I think I know where the boot leak is.....
The bad news is I think it’s somehow coming in through the rear screen seal?
As it’s been horrendous weather recently it’s a great way to locate the leak. I noted that on the off side rear arch there was a drip mark, I followed it back up and hey presto, there was a drip forming.
I guess to rectify properly, it’s going to be a screen out job?
Are genuine window seals available. I’d look under the Classic Parts catalogue but, I’m guess ‘rear screen seal’ is too obvious?
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Daimler XJ40 G531ABW Chassis No.603858
1986 Porsche 928 S2
1978 Mercedes 450 SLC
1986 Porsche 924S
1981 Porsche 924 NA
1991 Toyota Celica
1981 VW T25 rusty camper
2003 VW T4 Caravelle

naki_k
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Location: Kirton, nr Boston, Lincolnshire

Re: Sorting the boot out.

Postby naki_k » Thu Jan 16, 2020 4:19 pm

One of the many potential leak spots.
The front and rear screens are bonded in place.
The rubber you can see outside is more of a finishing trim rather than actually sealing anything at all.
So it does not need to be routinely replaced, if the screen comes out.
88 3.6 XJ6 PDH/CEM
90 Range Rover Vogue SE 3.9 V8 LPG
91 4.0 XJ6 Manual
92 4.0 XJR Manual
92 4.0 XJR
93 3.2s - 4.0 Manual conv
93 4.0 Sovereign
93 6.0 XJ81 DD6 x2
93 6.0 XJ81 XJ12
94 4.0 XJR
94 4.0 Daimler
96 4.0 X306 XJR
96 4.0 X300 D6
97 4.0 X300 Sport Manual
2000 LR Discovery ES TD5 A
Breaking 40/ 300

pimgmx
Posts: 3410
Joined: Tue Jul 08, 2014 12:07 pm
Location: South East of the Netherlands

Re: Sorting the boot out.

Postby pimgmx » Thu Jan 16, 2020 4:30 pm

mikegamble wrote:...to rectify properly, it’s going to be a screen out job?

Afraid that that's a ýes'... :(

mikegamble wrote:Are genuine window seals available.

The rear windscreen has been labelled as 'backlight glass'...

Seal part number is BCC9214 for vehicles up to VIN687219, and GMB9024AA for later cars.
Both part numbers are NLA at JCP, SNG Barratt AND BritishParts...

But...
Both windscreens are bonded in, my bet is that your leak's cause is not the rubber seal, but the bonding.
The key function of the seal is to hold the chrome trim in place and make the car look good, weather-/waterproofing is provided by the bonding.
I have had both front and rear windscreens out on XJ40s, and in both cases we reused the seal, without leaks afterwards.

the daily: 01 S8 http://bit.ly/2kIwP4m
the eyecatcher: 93 Insignia http://bit.ly/1iGrmsU
the GT: 89 XJS http://bit.ly/1WQGpC5
the diva: 88 Biturbo SI https://bit.ly/3dzdvAL
the ex: 93 3.2 http://bit.ly/14GTNrq

Chris Barney
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Posts: 356
Joined: Mon Jun 30, 2014 8:15 pm
Location: Leicestershire

Re: Sorting the boot out.

Postby Chris Barney » Thu Jan 16, 2020 9:33 pm

I have suddenly sprung a leak in the back screen so looks like a rebond. Where do I go??
88 Sovereign 3.6 Auto vin 556271
2010 Q5 2.0 TDI SE
2008 A4 1.8T S Line (DSG)

pimgmx
Posts: 3410
Joined: Tue Jul 08, 2014 12:07 pm
Location: South East of the Netherlands

Re: Sorting the boot out.

Postby pimgmx » Thu Jan 16, 2020 11:03 pm

Chris Barney wrote:Where do I go??

Any decent car glass specialist should be able to do this.
Ideally one with 1980s/'90s Jaguar experience, but imho any experienced car glass outfit should be able to cope...

Even the bodyshop for my Insignia (front & rear windscreen edge rust/welding) hired a generic car glass company to get the windscreen in & out.

the daily: 01 S8 http://bit.ly/2kIwP4m
the eyecatcher: 93 Insignia http://bit.ly/1iGrmsU
the GT: 89 XJS http://bit.ly/1WQGpC5
the diva: 88 Biturbo SI https://bit.ly/3dzdvAL
the ex: 93 3.2 http://bit.ly/14GTNrq

Chris Barney
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Posts: 356
Joined: Mon Jun 30, 2014 8:15 pm
Location: Leicestershire

Re: Sorting the boot out.

Postby Chris Barney » Fri Jan 17, 2020 12:23 am

Thanks Pim
88 Sovereign 3.6 Auto vin 556271
2010 Q5 2.0 TDI SE
2008 A4 1.8T S Line (DSG)

naki_k
Super Moderator
Posts: 28898
Joined: Sun Feb 21, 2010 9:25 pm
Location: Kirton, nr Boston, Lincolnshire

Re: Sorting the boot out.

Postby naki_k » Fri Jan 17, 2020 1:40 am

Chris Barney wrote:I have suddenly sprung a leak in the back screen so looks like a rebond. Where do I go??


Expect to find rust though too. So it may not be as simple as out then back in.

Look under the rear deck for any clues, just like Mike’s picture. I would expect you may find something similar.
88 3.6 XJ6 PDH/CEM
90 Range Rover Vogue SE 3.9 V8 LPG
91 4.0 XJ6 Manual
92 4.0 XJR Manual
92 4.0 XJR
93 3.2s - 4.0 Manual conv
93 4.0 Sovereign
93 6.0 XJ81 DD6 x2
93 6.0 XJ81 XJ12
94 4.0 XJR
94 4.0 Daimler
96 4.0 X306 XJR
96 4.0 X300 D6
97 4.0 X300 Sport Manual
2000 LR Discovery ES TD5 A
Breaking 40/ 300

Chris Barney
Snr Member
Posts: 356
Joined: Mon Jun 30, 2014 8:15 pm
Location: Leicestershire

Re: Sorting the boot out.

Postby Chris Barney » Fri Jan 17, 2020 12:29 pm

Thanks Naki. Will taking the rear seat out reveal anything? The ingress is only recent the boot has always been dry. I also wonder if some is condensation, as it some of it is running from behind the boot cover. I have removed the old board and fitted the later version which is covered in a similar material to the boot lining. In fair we have had some pretty horrendous weather this winter.
88 Sovereign 3.6 Auto vin 556271
2010 Q5 2.0 TDI SE
2008 A4 1.8T S Line (DSG)

pimgmx
Posts: 3410
Joined: Tue Jul 08, 2014 12:07 pm
Location: South East of the Netherlands

Re: Sorting the boot out.

Postby pimgmx » Fri Jan 17, 2020 1:40 pm

Chris Barney wrote:Will taking the rear seat out reveal anything?

It usually will: the majority of the bonding is behind the rear windscreen, as seen from outside, you should be able to see much more of the bodywork with the seal removed.

Condensation COULD be part of your issue, but bear in mind that this does require moisture to get inside the boot first...

the daily: 01 S8 http://bit.ly/2kIwP4m
the eyecatcher: 93 Insignia http://bit.ly/1iGrmsU
the GT: 89 XJS http://bit.ly/1WQGpC5
the diva: 88 Biturbo SI https://bit.ly/3dzdvAL
the ex: 93 3.2 http://bit.ly/14GTNrq

naki_k
Super Moderator
Posts: 28898
Joined: Sun Feb 21, 2010 9:25 pm
Location: Kirton, nr Boston, Lincolnshire

Re: Sorting the boot out.

Postby naki_k » Wed Jan 22, 2020 10:57 am

Firstly look under the rear deck with a torch, look fit any rust/ obvious problems there. Like in Mike’s picture.
You can also remove the screen surround trim to inspect for holes from there too.

Note- the trim can be tricky to get back in, but if you are employing someone to take the screen out/ back in, they will fit that at the same time.
88 3.6 XJ6 PDH/CEM
90 Range Rover Vogue SE 3.9 V8 LPG
91 4.0 XJ6 Manual
92 4.0 XJR Manual
92 4.0 XJR
93 3.2s - 4.0 Manual conv
93 4.0 Sovereign
93 6.0 XJ81 DD6 x2
93 6.0 XJ81 XJ12
94 4.0 XJR
94 4.0 Daimler
96 4.0 X306 XJR
96 4.0 X300 D6
97 4.0 X300 Sport Manual
2000 LR Discovery ES TD5 A
Breaking 40/ 300


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