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7th November 2012, 14:49 | #1 |
Posted a thing or two
Rover 75 CDT Join Date: Sep 2011
Location: Bradford
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Boot lock fix (spinning key syndrome).
After having issues with my boot not opening on the key, I eventually found a lock with the part I needed that wasn't broken and fixed it.
Since then I've answered a few threads explaining what to do, (stupidly I didn't take any photos) but it's not easy without pics. I obtained a spare boot lock today because it was free and I've disassembled it and taken some photos of the process. Hopefully I'll be able to point to this thread next time someone asks. The symptoms: Key rotates in the boot lock and doesn't unlock, the key can be spun around and around, usually there's a stop. The cause: Inside the lock there is a small intricate casting which cracks and breaks up. The solution: Replace the casting with a good one, the key is not needed for the donor lock. Finding a good one isn't easy, the one in the photos is the only one I've seen that's not cracked and/or broken at all. I suggest taking the lock apart to check the parts before paying for it in the scrapyard. To remove the lock you need to peel back the boot lid lining, undo the bar on the lock (red plastic clip) undo the 2 screws that secure it to the boot lid, rotate the lock and pull out, then undo the electrical plug. You'll then have this Turn it upside down to reveal the end plate secured by a circlip. Remove the circlip. The end can then come off, don't lose the spring. Revealing the problem (there is no problem in the pic, the lock is fine). To get to the part, you need to remove the part holding it in place. Where the slots are in the black plastic, you need to lever the cylinder up. Then remove it. Which allows the part we're after to be removed. Slide the pieces apart. This is the part that breaks up, replace with a good one and reassemble. Disclaimer: You are responsible for any work or modifications carried out on your car and you undertake any such work at your own risk. The 75 and ZT Owners Club nor the original author of this How-To can be held liable for anything that may happen as a result of you following this How-To.
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Love is like a snowmobile, speeding across the frozen tundra. Which suddenly flips, pinning you underneath. At night the ice-weasels come... http://farm6.staticflickr.com/5331/6...77671f80_n.jpg Last edited by Dragrad; 7th November 2012 at 21:45.. Reason: Disclaimer added |
7th November 2012, 20:30 | #2 |
This is my second home
None * DROWNED Join Date: Aug 2007
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Excellent job Tony and so has earned its place in the How To
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Andrew Ich Dien Problem solving is... lateral thinking SEARCH FIRST ...ASK LATER... |
11th April 2015, 18:58 | #3 |
This is my second home
1979 Capri 1.6L, 1982 Capri 1.6L, 2016 Dacia Stepway Join Date: Jun 2009
Location: Dorset
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I have same problem with an added extra piece broken, the black plastic lugs on the triangle end piece.
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12th April 2015, 03:35 | #4 |
Gets stuck in
Rover 75 Saloon Join Date: Jul 2012
Location: Ballarat
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I'll be doing mine tomorrow.
Edit: Brilliant how to. Not only do I have the convenience of the lock working with the key again it also stopped an annoying trunk open alarm. Hoorah!
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Love my 75 and it loves me Membership Number 1703 This vehicle was the 82,624th 75 to run off the production line, out of 112,381 This vehicle was the 6,161st 75 2.5 V6 Contemporary to be made out of 8,214 This vehicle was the 9,755th 75 in White Gold Metallic (code: GMN) to be made out of 12,251 White Gold Metallic 75s Last edited by BaroqueMoon; 2nd November 2015 at 06:06.. |
12th April 2015, 09:24 | #5 |
This is my second home
1979 Capri 1.6L, 1982 Capri 1.6L, 2016 Dacia Stepway Join Date: Jun 2009
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Hi Matthew, Where did you get the parts ?
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13th April 2015, 04:02 | #6 |
Gets stuck in
Rover 75 Saloon Join Date: Jul 2012
Location: Ballarat
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Hi Westly I just asked here in the parts wanted section.
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Love my 75 and it loves me Membership Number 1703 This vehicle was the 82,624th 75 to run off the production line, out of 112,381 This vehicle was the 6,161st 75 2.5 V6 Contemporary to be made out of 8,214 This vehicle was the 9,755th 75 in White Gold Metallic (code: GMN) to be made out of 12,251 White Gold Metallic 75s |
18th October 2015, 12:37 | #7 |
Gets stuck in
Rover 75 Saloon in Moonstone Green Join Date: Jan 2010
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Decided to get my boot lock fixed today. I was lucky the plastic ears were not broken so didn't need the 'screw fix'. I didn't have a new metal part so resorted to using a small loop I got from an old key ring.
Unfortunately I couldn't get the oem return spring back in position but at least the boot lock is working again. Hopefully the pictures explain better then me!  http://s1288.photobucket.com/user/ge...how/Rover%2075
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Rover 75 2.0L V6 Auto Connie in Moonstone "I started out with nothin' and I still got most of it left" |
10th June 2017, 18:16 | #8 |
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Thanks to Uncle Fiesta for a very helpful post. It certainly belongs on the "How to" page, although I couldn't find it there.
The problem with taking parts from old locks is that they are used and may be nearing the end of their lives. I did this fix three years ago but now need to do it again, and working locks are becoming more difficult to find. It's a long shot, I know, but is it possible to buy a new cast piece to replace the broken one? Alternatively, does anyone know whether there is a vehicle currently in production which uses the same piece in its locks, so that I could buy a new lock to extract the relevant part? |
10th June 2017, 19:53 | #10 |
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Rover 75 2.0 V6 Connossieur SE Join Date: Jul 2008
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I was going to try that, but the plastic lugs on my lock are not broken; it's only the casting which is defunct. Thanks for the suggestion, though.
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