Roadster Windscreen replacement

Technical MGB discussion
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David Ramsbotham
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Roadster Windscreen replacement

Post by David Ramsbotham » Thu Jan 04, 2018 11:11 am

I have just purchased a 1976 roadster that has a cracked laminated screen, so I shall have to replace. Details of screen removal and refit in the restoration manual look pretty difficult.

Has anyone experience of replacement, DIY or supplier, they can share with me and where is a good source for screens? Thanks, David.

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Peter Cresswell
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Re: Roadster Windscreen replacement

Post by Peter Cresswell » Thu Jan 04, 2018 6:19 pm

There are three problems with this! The Haynes Manual and the BMC/BL manuals cover this fairly well. You are right - it is a bit of a pig to do!
1.It needs to be removed so the glass can be replaced. The bolts that hold it in are difficult to get to, but just about accessible from inside the car.
2. The screen frame is quite a complicated unit so taking it apart and putting it back together takes some time and patience as the screws have been in place for a long time. I'm not sure if you can buy a new replacement unit with the glass fitted and new rubbers, but there will certainly be loads of second hand ones on sale at the forthcoming MG and Triumph Spares Day at Stoneleigh Park on 11th February. Might be a better option than all the hassle involved with dismantling the frame. Just make sure the threads on the locating brackets are in good condition.
3. Refitting is a two man job as you need to push down on the frame at the same time as trying to get the bolts back in. The front ones fit easily so do those first then, then pull the screen rearwards until you can get the rear bolts in.

If you don't fancy doing it yourself any of the MG specialists can supply and/or replace the glass for you, but it is likely to take them most of a day so labour costs are quite high for a seemingly simple job. If you edit your profile and add your location (don't give your full address - this is an open forum!) I'm sure someone will be able to suggest someone who can do the job for you.
Pete
1969 MGB Roadster
2011 MG 6 TSE Magnette
2007 Mercedes SLK
Plus 32 other cars since 1965

David Ramsbotham
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Re: Roadster Windscreen replacement

Post by David Ramsbotham » Thu Jan 04, 2018 6:43 pm

Hi Peter,
Thanks for your comments, I’ve updated my location on my profile.

Certainly a good second hand assembly would be ideal but not sure whether I can get to Stoneleigh. Anyone know of good second hand suppliers, I can try? Cheers David.

Rick Benson
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Re: Roadster Windscreen replacement

Post by Rick Benson » Tue Jan 09, 2018 3:21 pm

Hi David,
I replaced my windscreen glass when I got my roadster 18 years ago, I would not recommend doing this yourself. Getting the screen assembly off the car was ok but putting a replacement glass in the frame was "blooming awful". It was not helped by the new screen glass not being exactly the same shape as the original and the seal is very tight when new. So there were terrible scenes of me grinding away at the edges of the glass, lots of washing up liquid for lubricant, Spanish windlass arrangements to pull it all together, pain and frustration!

It was a long time ago but one of those jobs that stay with you!

All the best
Rick

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Peter Cresswell
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Re: Roadster Windscreen replacement

Post by Peter Cresswell » Wed May 13, 2020 5:07 pm

Hi Allan,
At least if it has been changed recently all the sccrews holding the frame together will come out without too much trouble. Even if you are not going through your insurance to get the job done, I would give them a ring to see who they recommend.
If you go ahead, but have some doubts, take plenty of pictures before and if there is a problem you are not happy with again after the fitting. Remember they are the windscreen fitters are the 'experts' so should do a job as good as they did in the factory when the car was built, and not present you with a job that is worse than you could have done yourself.
Pete
1969 MGB Roadster
2011 MG 6 TSE Magnette
2007 Mercedes SLK
Plus 32 other cars since 1965

Allan T
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Forename: Allan
Surname: Titmuss

Re: Roadster Windscreen replacement

Post by Allan T » Wed May 13, 2020 5:28 pm

Hi Peter,

Thanks - but you've replied in the wring thread!

National Windscreens is my insurer's preferred company. I mentioned in the OP that one minor advantage of using NW is the excess reduces to £75, rather than £100 using anyone else.

I don't have any workshop or garage facilities so I definitely won't be doing the work myself. And I'll definitely be going through my insurance for it.

Allan

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