Phil M Posted December 16, 2018 Report Share Posted December 16, 2018 HI, I’ve been renovating my interior and haven’t moved the car for months, today I had to push the car out and this piece of metal was laying on the floor under the RHS rear suspension and brake area. I’ve had the car a year not touched this area, I’ve looked at the online diagrams of these areas and do not recognise this. Does anyone with experience in this region recognise what and where this piece is metal comes from, it is well aged and rusty? Thanks Phil Quote Link to post Share on other sites
foster461 Posted December 17, 2018 Report Share Posted December 17, 2018 That is a sizeable chunk of iron and I have no idea what it is. Quote Link to post Share on other sites
Sapphire72 Posted December 17, 2018 Report Share Posted December 17, 2018 See if there is a matching piece on the back of the brake plate- on the opposite side. Quote Link to post Share on other sites
ed_h Posted December 17, 2018 Report Share Posted December 17, 2018 Looks like a shaft key. Ed Quote Link to post Share on other sites
KiwiTR6 Posted December 17, 2018 Report Share Posted December 17, 2018 3 hours ago, ed_h said: Looks like a shaft key. Ed +1 Quote Link to post Share on other sites
Chilliman Posted December 17, 2018 Report Share Posted December 17, 2018 Certainly looks like an axle shaft key & is pretty much the correct size but the only ones I've ever seen on the Tr's are square ended and not rounded like that....although it does look familiar Quote Link to post Share on other sites
RogerH Posted December 17, 2018 Report Share Posted December 17, 2018 (edited) Hi Phil, any keys in any position would only fall out IF the assembly was broken down for maintenance etc. Look at item 61 https://www.moss-europe.co.uk/shop-by-model/triumph/tr5-6/clutch-transmission-drivetrain/axles-differentials/rear-axle-tr5-6.html similar shape. BUT how would it escape. Possibly came out by previous owner and was sitting on the chassis frame. It looks a bit weathered. Not something taken out by accident. Roger PS - if you remove the drive shaft you may be able to look into the slot where it should live - or poke a wire in. !!!! Edited December 17, 2018 by RogerH Quote Link to post Share on other sites
Phil M Posted December 17, 2018 Author Report Share Posted December 17, 2018 Gents, Thanks for the great advice, and it looks exactly like item '61' on the Moss diagram! The previous owner documented all the work he did over the ten years he had it, no axle work (but I could ask him), I've never had to do any axle work, but surely if that shaft key is missing the axle the shaft would spin,? so it's more investigative work after I've finished the interior. I'm sure its purely coincidentally, but I get a knocking noise like a cracked spring from the off side rear in the last 3 months when it was on the road---- same side ....hmmm. A visual inspection then on ramps did't highlight anything was wrong, I think its time to get it on a 4 post lift and further investigation. Thanksl Phil Quote Link to post Share on other sites
RogerH Posted December 17, 2018 Report Share Posted December 17, 2018 Hi Phil, that key may or may not be from the drive output axle shaft. It simply can't drop out as it is enclosed. However if it isn't in position the drive shaft may well still operate as they can be very tight - try taking one apart. The knocking noise could well be a broken diff mount pin attachment. Have a serious look at the offside front pin - especially where it is welded at the top. I may be easier to feel than see. Should feel typically smooth for a weld. Good luck Roger Quote Link to post Share on other sites
foster461 Posted December 17, 2018 Report Share Posted December 17, 2018 It seemed to big (wide) to me to be the woodruff key out of a rear hub but looking at this it sure looks like one. http://www.jamespaddock.co.uk/rear-stub-axle-key-2 Quote Link to post Share on other sites
Phil M Posted December 18, 2018 Author Report Share Posted December 18, 2018 Hi Roger, thanks for your thoughts on the 'knocking' , I have since read up on this and could well be the cause and this is not a DIY fix. Hi, Stand thanks for that, more evidence pointing to the axle Quote Link to post Share on other sites
bluerinse Posted December 18, 2018 Report Share Posted December 18, 2018 Hello everyone and a Merry Xmas one and all. This item is the shaft from a domestic door handle, not vehicle related at all. But of course I could be wrong! Mike. Quote Link to post Share on other sites
foster461 Posted December 18, 2018 Report Share Posted December 18, 2018 1 hour ago, bluerinse said: Hello everyone and a Merry Xmas one and all. This item is the shaft from a domestic door handle, not vehicle related at all. But of course I could be wrong! Mike. It sure looks like that Mike but only if you have a very thin door ! Quote Link to post Share on other sites
ed_h Posted December 18, 2018 Report Share Posted December 18, 2018 You can see the rear axle key in the pic below. Replacement keys often have rradiused ends to fit in slots done with an end mill. Ed Quote Link to post Share on other sites
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