Colin Posted August 4, 2019 Report Share Posted August 4, 2019 Hi All. Can anyone tell me, please, the rear overrider lower fixing captive nut specification? I must have cross-threaded this last time round without knowing it. Bolt was a devil to remove. I don't posses a thread cutting set, so intend to coax (gently!) one side of the nut housing, remove the old and replace. I bought a new bolt as I had to destroy the old one. If anyone knows where to obtain same, I'd also be interested. Thanks. Link to comment Share on other sites More sharing options...
Clive Posted August 4, 2019 Report Share Posted August 4, 2019 9/16unf from memory. But square. Cross threading unlikely, but many/most are seized as they are very exposed to mud/water/crud and easily break out of the captive box which holds the square nut in place. A common repair is to weld a length of studding (or bolt with the head cut off) to the remains on the nut. Then use a nut inside the car where it is protected. Link to comment Share on other sites More sharing options...
Mark B Posted August 4, 2019 Report Share Posted August 4, 2019 With the back light out, you may be able to jam the nut and stop it turning in its cage with a long screw driver. Usually either the square edged nut is rounded off or the cage has broken away allowing the nut to turn. Plenty of releasing oil. If you mange to jam the nut and get the bolt turning, keep it moving as the heat generated helps if move. Mark Link to comment Share on other sites More sharing options...
Colin Posted August 4, 2019 Author Report Share Posted August 4, 2019 Thanks Both. I did release the bolt eventually (Mole grips preventing the nut cage being prised apart) - but the bolt was good and stuck in the nut - even with copious releasing oil I struggled! Clive - good idea. Will have to take it to someone who welds (wish I'd learned all those years ago!!). Cheers. C. Link to comment Share on other sites More sharing options...
Colin Lindsay Posted August 4, 2019 Report Share Posted August 4, 2019 Replace it with a long threaded rod cut to length, then you can have the nut inside the boot and unscrew at that end. It saves that ever happening again. Link to comment Share on other sites More sharing options...
Pete Lewis Posted August 4, 2019 Report Share Posted August 4, 2019 Mine were replaced wirh studs and nice big wing nuts on the boot side , not that they need frequent removals Pete Link to comment Share on other sites More sharing options...
Colin Posted August 4, 2019 Author Report Share Posted August 4, 2019 Hi Pete, Colin. Thanks for this advice. One of the few design flaws the Herald has, really, I think ! Link to comment Share on other sites More sharing options...
Colin Lindsay Posted August 4, 2019 Report Share Posted August 4, 2019 Go wash your mouth out, young man. The Herald is perfect, only the owners are fallible. 1 Link to comment Share on other sites More sharing options...
Pete Lewis Posted August 4, 2019 Report Share Posted August 4, 2019 If its been on ok for 50,years whats the problem ....im with colin colin Ha, Pete 1 Link to comment Share on other sites More sharing options...
Colin Posted August 5, 2019 Author Report Share Posted August 5, 2019 Pete, Colin:- Lol. Point taken!! 😁 1 Link to comment Share on other sites More sharing options...
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