justustwo Posted April 25, 2018 Share Posted April 25, 2018 Hi all changed my very leaky power steering box on my standard 1993 200tdi defender about 2 months ago with a box that came from a ranger rover classic and have been very happy up till over the weekend i noticed the steering felt a bit vague /loose and when i had a look underneath found the big nut holding the (new)drop arm onto the steering box shaft was only hand tight .could undo it just by putting a socket on it and very loosely holding socket without a bar on i undid it!!! When i put this nut on ( had a new nut and washer from LR and a new drop arm...in a blue box) but could not understand how the lock tab washer could properly do its job as it is a complete circular washer and only slightly bigger diameter than the drop arm which it is suppose to lock onto and this is compounded by the fact that the drop arm is round so unlike a wheel bearing nut washer it can only grip properly on the nut and not the drop arm part.( Im tapping one edge up and one edge down like a wheel bearing nut) in the parts book i have it states that it is just a bog standard round washer (part no 600265 ) but i have also seen another type of washer that has two long tabs on which i would imagine could properly lock( Part no AEU 4025 )...both going up on the drop arm? anyone have had this problem before and am i doing something wrong by tapping the lock washer one side down on the securing nut flat and the another opposite part of the washer up onto the drop arm Sorry if this is not sounding clear but been a long day Quote Link to comment Share on other sites More sharing options...
justustwo Posted April 25, 2018 Author Share Posted April 25, 2018 also just to say i torqued this nut when i first put it on to the most i could get it 150 nm on the torque wrench then a few more degrees with a power bar Quote Link to comment Share on other sites More sharing options...
western Posted April 25, 2018 Share Posted April 25, 2018 lock washer needs to be this one https://www.johnrichardssurplus.co.uk/steering-box-drop-arm-nut-tab-washer-aeu4025.html Gemmer Type tabs each side of drop arm, then fold one or two bits of washer down onto nut edges, this is the plain circular one says Adwest type in info https://www.johnrichardssurplus.co.uk/steering-box-drop-arm-nut-tab-washer-600265.html Quote Link to comment Share on other sites More sharing options...
justustwo Posted April 25, 2018 Author Share Posted April 25, 2018 thanks western will get one ordered 1 Quote Link to comment Share on other sites More sharing options...
cackshifter Posted April 25, 2018 Share Posted April 25, 2018 The disco 1 washer is larger if that would help Quote Link to comment Share on other sites More sharing options...
western Posted April 25, 2018 Share Posted April 25, 2018 Just taken this photo of mine, it's the 2 tab type but fitted slightly different 1 tab against drop arm & other tab down against the nut flat as you can see in the photo Quote Link to comment Share on other sites More sharing options...
justustwo Posted April 25, 2018 Author Share Posted April 25, 2018 that looks right and can see how that works unlike what i had; ;thanks Quote Link to comment Share on other sites More sharing options...
western Posted April 25, 2018 Share Posted April 25, 2018 I think the 2 tabs are meant to be facing upwards each side of the drop arm up & the circular part hammered down onto one of the nut flats, I seem to remember that's how it was on my original 6 bolt Gemmer steering box. but the curent form has worked for me. 1 Quote Link to comment Share on other sites More sharing options...
dailysleaze Posted April 25, 2018 Share Posted April 25, 2018 I had an MOT fail once because the circular lock washer allowed the nut to come loose. Agree it's not easy to get it to "lock" Quote Link to comment Share on other sites More sharing options...
Stambecco Posted April 26, 2018 Share Posted April 26, 2018 I think it needs 170 nm. Quote Link to comment Share on other sites More sharing options...
Dissle Posted May 11, 2021 Share Posted May 11, 2021 On 4/26/2018 at 12:56 PM, Stambecco said: I think it needs 170 nm. It's 176 nm, according to GwynLewis4x4. Your number is close though. Quote Link to comment Share on other sites More sharing options...
Jim young Posted May 16, 2021 Share Posted May 16, 2021 I think it's meant to be like the locking tab on the hubs going opposite directions to lock the nut. Quote Link to comment Share on other sites More sharing options...
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