Windscreen sealer XJ12

andrewh · Post by **andrewh** » Tue Jul 08, 2014 4:50 pm

Sorry its off model chaps, but I am just attending to a leak on the rear screen of my series 1 XJ12 and wanted to get any advice out there. Some years ago I had the perished rear screen rubber replaced and it now seems that whoever refitted the new one did not add any sealant to the screen rubber. What is happening is that when you wash the car ( it never gets wet of its own accord!) the water runs down the screen sits in each corner and capilliaries down into the grove around the bottom of the glass and oozes out into the rear parcel shelf area, ruining my shelf and the nicely trimmed bolster under the windscreen. All pretty straight forward but the gap I have to squeeze in some black sealant is very tight indeed. I may be able to prise the rubber away from the glass to get the nozzle of a standard tube in there but it will probably slip back out ( oe er missus) . Anybody got any ideas as to what sort of implement I may be able to use to squeeze some sealant in there? I guess an old fashioned medical syringe may work if I knew where to get one from. Don't know whether the nozzle would be too small to squeeze the sealant through anyway. All ideas much appreciated. thanks Andrew

iani · Post by **iani** » Tue Jul 08, 2014 4:55 pm

If you got it fairly warm, wouldn't some clear waxoil or similar do this for you? As long as it's runny enough it should seep into the space quite well.

Ian

PeterCrespin · Post by **PeterCrespin** » Tue Jul 08, 2014 5:06 pm

iani wrote:If you got it fairly warm, wouldn't some clear waxoil or similar do this for you? As long as it's runny enough it should seep into the space quite well.

Ian

No. Waxoyl etc are based on petroleum distillates like paraffin or whatever, and the solvent component will rot/soften body seals.

There are plenty of creeping-action glass sealants made for this job. Just Google them. Important to get right too, since the front and rear screen bases on Series 1, 2 and 3l XJs are notoriously rot-prone if not kept watertight.

Pete

andrewh · Post by **andrewh** » Tue Jul 08, 2014 5:17 pm

thanks Guys. Yes Peter you are correct they do seem to take a bit of sealing here. It has obviously been leaking for a while so I need to get this right as I have known this car since it was delivered. Its one of my favourite things as I used to sit in this as a 13 year old and get driven to Prescott behind Bryan Corser in his D type powersliding around traffic islands! What fun

here is a link to it on XKEData
http://www.xj6data.com/cars/detail/?car=1P1563BW

Sorry off subject again, so I need a creeping windscreen sealant. Will have a google now. thx once again.

PeterCrespin · Post by **PeterCrespin** » Tue Jul 08, 2014 6:26 pm

Gorgeous car and very swift for the time if you put your boot in it. Sadly, someone appears to have removed the tow bar.

This was a useful period accessory, used to cart one's personal fuel bowser around and ensure you could make it between petrol stations that were further apart than the combined length of their filler hoses. :-)

Got two freshly enameled air filter boxes upstairs from my Daimler DD6 Coupe. That was the EFI version which was a lot better on fuel and could regularly touch 12-13 mpg on a run :-)

Pete

andrewh · Post by **andrewh** » Wed Jul 09, 2014 8:44 am

Ah yes the fuel consumption. why did you have to mention that Peter. I was just readying myself for a summer of motoring in it. Try as I might I have never got it to over 11mpg. Interestingly I bought a copy of a late 1972 Autocar where the Journos got to drive a DDS and the new XJ12 back from Turin over the Alps. Of course both cars were identical barring the badging etc, but rather depressingly for me as I was involved in a quest to improve the MPG at the time, the test cars when new only returned 10.5 mpg. So thats it , take it or leave it. I regard any drive out in it as a treat and as you say, they are still a quick car if you put the boot in. Still looking for some suitable windscreen sealer but I am sure I will find some shortly.

david muir · Post by **david muir** » Wed Jul 09, 2014 9:07 am

Hi,
Had a complete(?) cure for a leaking rear screen on a Mini using-" Capt. Tolley's Creeping Crack Cure " (!)........available from Amazon for about ?8. It is very 'seeking' and although white on application , it dries clear/colourless.

andrewh · Post by **andrewh** » Wed Jul 09, 2014 9:11 am

thanks a lot David. I will check that out right now. :D

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