 | Home > Puma (Tdci) > If your stuck in first gear (how to with pics) |
 
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| ashtrans Site Sponsor Member Since: 08 Nov 2008 Location: Harpenden Posts: 254  
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yes, from our FAQ's :
My Defender MT82 6 speed gearbox is stuck in 1st gear, this is common on these boxes and is just caused by the selector rail jumping into gear when the vehicle is jolted for any reason, once in gear, the shift interlock plate wont allow it to be pulled out.the gearbox consists of 3 casings, the front main casing is about 18 inches long and the rear 2 are about 7 inches long, look at the middle casing, top face, towards the rear, on the left side as you sit in the car, look for a vertical approx 10mm diameter detent plug, the earlier silver ones had a mushroom shaped head, the later black ones are flush fitted. Remove this plug, if the later one, drill a hole and use a big self tapping screw and slide hammer.Once out, you can now use a small screw driver to slide the selector rail one notch towards the front of the vehicle, this should put it back into neutral,the later detents can be fitted in place of the early ones and have a stronger spring to reduce the liklyhood of this problem occuring Note the part number for the later type detent kit is LR017294. Dave |
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22nd Jun 2023 3:09pm |
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| Shax Member Since: 05 Oct 2010 Location: London Posts: 391  
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Just a quick message to publicly thank Dave Ashcroft for the assistance given when my MT82 gearbox had the "dreaded detent of death" issue..
Advice given, part ordered, gearbox now working.. The fix trakes about 20 mins, but all the faff taking trim, carpets etc out is what takes the time.. Remove the trim etc... Drill the duff detent (it's the vertical one, under the selector bracket) to M5, tap to M6, pop a M6 screw in the hole and use a claw happer to gently prise it out.. No violence needed, no slide hammer, no dynamite!!  Then align the shaft, tap in the new detent, refit all the ancilliary bits, and viola, Bob's your Aunties live in lover..!!!
 Click image to enlarge Click image to enlarge Click image to enlarge Click image to enlarge ... ,-------, .. I [__][_]|__ .. I __ |"_|"__| .. "(o)====(o)" ^^_-^-_^-^_^^^^^--^^^^ PAUL G7ALW 14.200 USB 26FB458 / 27.275 SSB |
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26th Jun 2023 4:42pm |
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| NickMc Member Since: 01 Oct 2014 Location: Norn Iron Posts: 1570  
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Good job
 what’s the part number? |
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26th Jun 2023 7:40pm |
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| jst Member Since: 14 Jan 2008 Location: Taunton Posts: 7687 
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Is this the same for a puma locked in 2nd gear?
Selecting first was hard, difficult change to 2nd and now stuck in 2nd. Vehicle not jolted. Last time one went the vehicle jolted and it was stuck in 1st. It's seems yes, answering my own question. Same vertical indent. I have done it once already too! Cheers James 110 XS Utility 130 Puma Station wagon/camper (in the making) 90 Puma Hardtop Last edited by jst on 1st Mar 2024 5:23pm. Edited 1 time in total |
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29th Feb 2024 7:22pm |
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| Hotsuperman83 Member Since: 21 Jun 2023 Location: Ke t Posts: 2 
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I was broken!! I got a gearbox from Ashcroft transmissions. Its now driving really well.
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29th Feb 2024 7:30pm |
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