 | Home > Puma (Tdci) > Advice on painting dummy vents hinge |
 
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| Dinnu Member Since: 24 Dec 2019 Location: Lija Posts: 3387   
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Yes, those are the ones. More information on LRWorkshop https://www.lrworkshop.com/diagrams/land-r...n_44901#16 for part number of gaskets, although I see forum members also cut some neoprene gaskets themselves. It is important to ensure a watertight seal around the bolts, else water will seep into the bulkhead, and corrode it from the inside out. I have used the OEM gaskets with a dab of glass sealant. 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing
2012 90 CSW, 2.2TDCI, Santorini Black |
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26th Dec 2022 4:26pm |
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| Balvaig Member Since: 19 Feb 2016 Location: Fife Posts: 728  
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If you are just refurbishing or replacing the blocks then do one side at a time and be careful not to disturb the windscreen frame by slamming the door or moving the vehicle.
There is a slight possibility that the windscreen frame might move, making the replacement of the bolts difficult. Having replaced my blocks several times due to corrosion, I have found the original gaskets, which look like waxed cardboard, much better than rubber type gaskets which spread out beyond the blocks when tightening. I refilled mine with copious amounts of Dinitrol sprayed into the holes, onto the blocks and gasket. |
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26th Dec 2022 4:54pm |
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| Crofter Member Since: 19 Feb 2015 Location: Peterhead Posts: 169  
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Thanks for the answers, I was hoping to paint these bits myself. There is quite a bit off painting needed.
Knowing which the fixings and potential pit falls like the windscreen moving was great. Sunny Dinnu and Balvaig thanks. |
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26th Dec 2022 5:18pm |
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| Dinnu Member Since: 24 Dec 2019 Location: Lija Posts: 3387
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Have removed a few windscreen frames and always found that the frame 'stuck' to the foam seal. Of course it is safer to do one by one, but then painting takes twice as long.
Just re painted the bulkhead and the window blocks, both off the vehicle at the same time, had no issues. Alternatively find a good uncorroded pair, paint those, and replace one by one if you are not comfortable taking both out at the same time. Unfortunately, with corrosion on aluminum, once it sets in, it is very difficult to clean and paint and not having the corrosion come back a short time later. 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing 2012 90 CSW, 2.2TDCI, Santorini Black |
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26th Dec 2022 6:01pm |
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| Balvaig Member Since: 19 Feb 2016 Location: Fife Posts: 728
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A nice easy DIY job to paint them yourself. I bought a replacement set of original blocks for about £15 each, and sprayed them using rattle cans. I then refurbished the originals as spares.
For me, this meant the blocks were only off the vehicle for a short while. The windscreen surround was corrosion free and didn’t need painting. A couple of photos are in my gallery. |
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26th Dec 2022 6:06pm |
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| LandRoverAnorak Member Since: 17 Jul 2011 Location: Surrey Posts: 11324
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There's some detail of how I did mine here:
https://www.defender2.net/forum/post784740.html#784740  Click image to enlarge Darren 110 USW BUILD THREAD - EXPEDITION TRAILER - 200tdi 90 BUILD THREAD - SANKEY TRAILER - IG@landroveranorak "You came in that thing? You're braver than I thought!" - Princess Leia |
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27th Dec 2022 1:20pm |
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| nitram17 Member Since: 09 Jun 2014 Location: newcastle Posts: 2261 |
The original blocks are not painted on the bottom surface..so the moisture can get under the paint and corrosion starts at the bottom edge of the paint and works its way up...the bimetallic corrosion requires moisture to work.the window blocks are a small bridging sacrificial anode between the ali windscreen frame and the steel bulkhead,Make sure the blocks are painted fully ,use a paper gasket saturated in grease and they should be free from corrosion for the life of the car .also do one side at a time .Basically prevent the moisture you will prevent the corrosion. |
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27th Dec 2022 6:47pm |
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| Crofter Member Since: 19 Feb 2015 Location: Peterhead Posts: 169
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Thanks for that info about corrosion, I will paint the bottom and get a suitable gasket.
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27th Dec 2022 6:54pm |
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