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8th September 2013, 15:24 | #1 |
This is my second home
Rover 75 CDTi Connoisseur SE & MG ZT Saloon 190 Join Date: Jun 2007
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"How To" replace gears in Bullett Powerfold Mirrors
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www.midlandsnanomeets.co.uk Robs Car Gallery Coven near Wolverhampton WV9 2000 Cowley Built Rover 75 2.0 V6 Club SE/ Atlantic Blue/ Sandstone/Walnut (daily driver) 2003 Land Rover Freelander 1 TD4 HSE Helsinki Blue/Black Leather (swmbo daily driver) |
8th September 2013, 18:05 | #2 |
Posted a thing or two
rover 75 Saloon, Rover 75 Tourer Join Date: Aug 2010
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Fantastic
That is a fantastic piece of work
Thank you for all the hours and work that has gone into making this happen Look forward to receiving my spare gears. All the best, Paul |
8th September 2013, 18:12 | #3 |
Posted a thing or two
V6 2ltr auto in copperleaf +CDTI Auto in Royal Blue on loan to Son Join Date: Jul 2010
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Excellent How to Rob, thanks for all the time and effort you have put in.
see you at the Nano
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8th September 2013, 20:59 | #4 |
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None * DROWNED Join Date: Aug 2007
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Andrew Ich Dien Problem solving is... lateral thinking SEARCH FIRST ...ASK LATER... |
8th September 2013, 22:23 | #5 |
Passed Away
ROVER 75 V6 2Ltr 2001 AUTO / EMERALD MOTORBILITY SCOOTER Join Date: Apr 2011
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GREAT HOW TO. Thanks for the effort you have put in on this project.
Looking forward to receiving my gears. Cheers trimani (Alf) |
6th March 2021, 12:35 | #6 |
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Rover 75 CDTi Connoisseur SE & MG ZT Saloon 190 Join Date: Jun 2007
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Things have moved on since my original how to so an update below.
It wont usually be the motor that has gone and you can test it by putting 12v to it, if the gears do not solve the issue then it is likely to be the wear on the lid/casing as covered at the end of my how to. The solution is to have a small shim made to sleeve over the worm gear where it sits in the casing which does work as I tried it on one of mine, if the casing is worn and without the shim the new worm gear sits out of true in the slot and will not mesh with the other gear. I had hoped to get some shims made at the time but the person who was going to make them for me sold his lathe. There is some good news though, when I originally sourced the replacement gears from Turkey, there were no spares for these motors available, but now there are various choices on E Bay: New motor ( expensive ) https://www.ebay.co.uk/itm/Exterior-...4AAOSwA89d~H6J Replacement gears: https://www.ebay.co.uk/itm/Rover-75-...UAAOSwFNhgMVBi Casings: https://www.ebay.co.uk/itm/Mirror-Mo...gAAOSwE6ReVh3w New Lid: https://www.ebay.co.uk/itm/LAND-ROVE...kAAOSwTuJYnIQu I have a spare motor or 2 which are not working and have just ordered a casing and a lid and will report back when I have them fitted.
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www.midlandsnanomeets.co.uk Robs Car Gallery Coven near Wolverhampton WV9 2000 Cowley Built Rover 75 2.0 V6 Club SE/ Atlantic Blue/ Sandstone/Walnut (daily driver) 2003 Land Rover Freelander 1 TD4 HSE Helsinki Blue/Black Leather (swmbo daily driver) |
25th March 2021, 18:33 | #7 |
I really should get out more.......
Vauxhall Insignia CDTi; MG TF 135 Join Date: Jan 2010
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OK… having attempted this job, and spent the best part of a week on it without success (till I gave up and bought a complete new mirror), I found a number of pitfalls and blind alleys which I’d like to save anybody else from falling into if possible. I’ll try and remember the main ones anyway… can't post any more pics as the site limits me, sorry.
Although I would never even have attempted the job had it not been for Trebor’s excellent guide, there is one place where I fell down badly, and you might too. There again, I don’t do lateral thinking, so if there’s an obvious solution to something, but slightly oblique to the method I’m using, I’m unlikely to see it – others might think more creatively. If you follow the instructions above, I think you will find the bullet cover (chrome in my case) extremely difficult to remove without damaging it and/or the mirror – and, I’d venture to suggest, actually impossible to replace without breaking something, as I did earlier today. The way to do it, I’d suggest, is to flip the cover off the bottom of the mirror, exposing the bottom 4 screws, and remove them first, separating the mechanism into two halves – then the bullet cover can be removed and replaced fairly easily. Then take the screws out of the top of the motor etc and proceed with everything else in the guide. Unfortunately I only figured this out after I’d broken the @!!*#$! thing. Other things… replacing the gears may cure your problem, but had no effect on mine, as my motor case (and possibly top) were worn – the hole in the side of the case where the upright spindle located was visibly oval, and this stops the gears meshing correctly. Fortunately (I thought) you can buy new motor casings and tops on eBay – think Rob has put a link to them above. But they didn’t help me either… when I assembled everything, the motor didn’t move at all, or else badly, then stopped after a couple of rotations. I DEFINITELY assembled it properly, many many times. Then I tried different combinations of old and new parts – gear spindles, casings, tops – no joy, eventually had to admit defeat. Next tactic was to buy a complete “repair kit” on eBay, advertised for BMW X5, Landrover, and many other models, which looked identical to our units, as indeed it proved to be when I unpacked it – however, it was so badly made that their spindle didn’t even come close to fitting the hole in their case! Shocking quality. But this kit did include a new motor, so I tried it in the other kit of parts I bought – it wouldn't spin the gears properly either. If you do buy one of these kits, they don’t come with the tiny circuit board which sits on the end of our motors – you’ll have to prise off/desolder etc your own, and use that – then you’ll find that the terminals on the little motor are in ever so slightly a different place, and will short on the casing provided, unless you file it down. So, basically, these kits don’t fit together properly – their motor shorts if fitted in their case, and their gear spindle can’t be forced into its locating hole; you’d need to drill it out! At this point, I gave up, and luckily discovered somebody selling off old stock of brand new mirrors for £90/unit. He only had o/s ones, and I needed n/s, but I simply fitted the complete new unit to my car, then transferred the working motor from my original o/s to my n/s unit. It was while fitting my existing chrome bullet to the new mirror assembly that I broke it – correct me if I’m wrong, but it is actually impossible to do this without splitting the mechanism, as mentioned earlier. I think I can glue the broken one on with silicone or something, hopefully, now that I’ve figured it out – I won’t ever be taking it apart again. Lots of other problems too, but hopefully I’ve covered the worst ones you're likely to encounter. Unless you're cleverer than I, don’t waste your money on repair kits and things from eBay, as I don’t think you’ll get them to work. As they say in the movies, good luck Meester Bond…
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Past cars: MGB GT; Escort 1300 Sport; Vauxhall VX4/90; Marina Coupe TC; Celica ST (1972); Montego Turbo; Astra GTE 16V; Astra GSI 16V; Golf GTI 16V (Mk II); Sierra XR4x4 Estate; BMW 325i (E30); BMW M3 3.0; BMW M3 3.2 Evo. Left some of the more embarrassing ones out. And about 30 motorbikes. |
30th January 2022, 11:43 | #8 |
I really should get out more.......
Vauxhall Insignia CDTi; MG TF 135 Join Date: Jan 2010
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And finally, Cyril...
...and finally, Esther (if you're of the age most likely to be driving a 75, you'll know what this means): the brand new o/s mirror has started to malfunction. When it opens out, the motor keeps running.
What this means is that - for whatever reason - it isn't opening quite far enough to activate the internal microswitch which cuts the power on completion of the turn. Bashing the mirror with a bottle full of water both stops it and is satisfying. However, the end of this sorry saga with one of the worst-designed mechanical objects I've ever encountered is that I have finally admitted defeat and disconnected the powerfolds permanently. Good luck to anybody else who tries...
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Past cars: MGB GT; Escort 1300 Sport; Vauxhall VX4/90; Marina Coupe TC; Celica ST (1972); Montego Turbo; Astra GTE 16V; Astra GSI 16V; Golf GTI 16V (Mk II); Sierra XR4x4 Estate; BMW 325i (E30); BMW M3 3.0; BMW M3 3.2 Evo. Left some of the more embarrassing ones out. And about 30 motorbikes. |
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