trigolf Posted March 11, 2019 Report Share Posted March 11, 2019 Can anybody actually confirm that the diff does actually contain a pint of oil from initial fill ? I wanted to change the oil today and failed dismally trying to use an oil suction gun and some plastic pipe pushed well into the diff. I also had the car at an angle to encourage the oil to flow towards the level hole and had warmed it first by taking the car for a good run. I managed to retrieve about an egg cup full and no matter what I tried could not get any more out ! Before anyone says the obvious - no it was't empty ! I then levelled the car and put the oil back in with the suction gun and only managed to get the same amount, previously drained, back in before it started coming out again. I'm not going to bother drilling and tapping a drain plug into the diff case, as years ago I acquired a s/h diff case which is fitted with a drain plug, so I'll swap it over later in the year when I do a c/v conversion. Gav Link to comment Share on other sites More sharing options...
dougbgt6 Posted March 11, 2019 Report Share Posted March 11, 2019 Trig, I've owned my car 41 years, it's done nearly 80k. I've topped up the diff twice, last time 5 years ago, it took 1/3 of a cup. I think you're trying to hard! Doug , Link to comment Share on other sites More sharing options...
trigolf Posted March 11, 2019 Author Report Share Posted March 11, 2019 Doug, you're probably right - I too have owned my Vit for over forty years. I recall that last time I replaced the diff and drained the old one prior to exchange that very little oil came out - certainly nothing like a pint - and it was up to the filler hole as per the book ! Grrrr ! Gav Link to comment Share on other sites More sharing options...
Bordfunker Posted March 11, 2019 Report Share Posted March 11, 2019 As I have learnt, even if you take the diff off the car, remove the filler plug, and invert it, no all the oil comes out! Triump appear to have used a steel which absorbs oil and refuses to relinquish its grip on it! Karl Link to comment Share on other sites More sharing options...
GT6M Posted March 11, 2019 Report Share Posted March 11, 2019 Gav, get a drill an drill a wol in bottom of diff. there a flat area where a plug used t,go on early cars. drill a 1/4 or so wol first, then a bigger,n try an get a sump plug of a gearbox, or better still 2, one for,t fill plug, this,l catch moer sheite than the sump plug will. G/B plug,, this cos they got magnets in em, then whenst wols drilled, tap it to size needed there will be little oil comes oot the drilled hole, but it wont gush oot. then re fill wid 80/140 fully synth penrite gear oil, 20£ for 2 litres of http://www.classicgroup.net.nz/product_pcid_344.html or ringo starr Dave on 0739 159 0149 it dont go off like all the others doo try,n t,suck the oil oot just dont work as casing will moer than likely have a 1/4 inch of thick crudded baked on oil init, { ever took a sump off, modern or olde, its same stuff } maybe even lots of mayonaise stuff, which then pits yer internals whenst they sitt,n in the stuff for ages OIL is cheeper than a diff,, or a rebuild M Link to comment Share on other sites More sharing options...
trigolf Posted March 12, 2019 Author Report Share Posted March 12, 2019 Thanks for confirming my conclusion guys. I'm glad I did'nt waste money buying an oil suction gun ( borrowed it from work ! ) Marcus - as I said, I picked up a spare rear case with a drain plug fitted quite a while ago so will swap it over later this year. Your suggestion of fitting a magnetic plug is a good one. I'll follow up on that and the synthetic oil too. Thanks everyone. Gav Link to comment Share on other sites More sharing options...
Colin Lindsay Posted March 12, 2019 Report Share Posted March 12, 2019 Magnetic plugs can be very useful, and very scary when you remove them again. 1 Link to comment Share on other sites More sharing options...
daverclasper Posted March 12, 2019 Report Share Posted March 12, 2019 Maybe I was lucky, though I managed to get most of it out with a large plastic syringe (£1.00, delivered off Ebay) and have also replaced the filler plug with magnetic. Dave Link to comment Share on other sites More sharing options...
daverclasper Posted March 12, 2019 Report Share Posted March 12, 2019 3 minutes ago, Colin Lindsay said: Magnetic plugs can be very useful, and very scary when you remove them again. That stuff is often very fine particles, I find it reassuring knowing it's not swimming around as a fine abrasive. Link to comment Share on other sites More sharing options...
Roger89 Posted September 26, 2019 Report Share Posted September 26, 2019 On 12/03/2019 at 18:45, Colin Lindsay said: Magnetic plugs can be very useful, and very scary when you remove them again. Where do you get these from? Link to comment Share on other sites More sharing options...
Pete Lewis Posted September 27, 2019 Report Share Posted September 27, 2019 Canley classics 155660 Pete Link to comment Share on other sites More sharing options...
Colin Lindsay Posted September 27, 2019 Report Share Posted September 27, 2019 That one came from a Triumph Show, either Stoneleigh or Stafford, but they're widely available, including on eBay - just make sure they're Triumph compatible. (One on at present but at a whopping £17.99) Link to comment Share on other sites More sharing options...
Badwolf Posted September 27, 2019 Report Share Posted September 27, 2019 1 hour ago, Pete Lewis said: Canley classics 155660 Pete Pete - Can you check that part number please. 155660 is the one I got for mine.. http://jamespaddock.co.uk/search?q=155660 .. and it is the wrong one if you need sloping threads for either diff or sump. Link to comment Share on other sites More sharing options...
Pete Lewis Posted September 27, 2019 Report Share Posted September 27, 2019 all sites say they are interchangeable, the design difference being the hex headed magnetic needs a flat face to properly seal against with its collapsible washer . where as the square headed is tapered threaded and seals by being a tight fit in the threads so if it cant seat it will likely leak the threads are supposed to be identical rimmers have a pop up that states that so where from here Pete Link to comment Share on other sites More sharing options...
Badwolf Posted September 27, 2019 Report Share Posted September 27, 2019 Not sure. The one I got from JP definately won't fit on the sump of the replacement Herald 13/60 engine on my Spit. That doesn't mean to say that there is not something weird with the sump. I will have to do something at the next oil change 'cause as I mentioned on another thread, the original plug is in a dreadful state. It was already as mess, it wouldn't come off, so having got a replacement, I took a set of mole grips and a hammer to it!!! Link to comment Share on other sites More sharing options...
Pete Lewis Posted September 27, 2019 Report Share Posted September 27, 2019 The 114774 std taper plug is used on just about everything , being 1360 is of no consequence, imwonder if your sump pan has had a replacement collar welded in at some time even my 74 mk2 2000 has a std taper squared head plug in it Rimmers show the saloon as 22G2115 which is a allen keyed plug Link to comment Share on other sites More sharing options...
Mad4classics Posted September 27, 2019 Report Share Posted September 27, 2019 Purhaps you need one of these:- https://www.ebay.co.uk/itm/MAGNETIC-Triumph-MG-Sump-Diff-Gearbox-Drain-Filler-Plug-114774-15560-/222983483896 or one of these:- http://www.speedograph-richfield.com/html/magnetic_drain_plugs.html These have the correct taper thread. Seems to be a lot of confusing information on various suppliers web sites; some list a plug which is 3/8 x 19 BSP (straight c/w sealing washer) whilst others list 3/8 x 18 NPT (tappered). They can't both be right surely! I'll stick with the ordinary non magnetic taper plug David Link to comment Share on other sites More sharing options...
Chris A Posted September 27, 2019 Report Share Posted September 27, 2019 I have the 155660 from JP fitted to my 13/60, so I am inclined to go along with the possibility that a repair has been done to your sump. Link to comment Share on other sites More sharing options...
Badwolf Posted September 27, 2019 Report Share Posted September 27, 2019 Will never know if a repair gas been done as the pan was on when the engine was swapped, that was 30 years ago. However M4C, you may have the right idea with the fleabay link. Will order one while they have a 10% off day today Link to comment Share on other sites More sharing options...
Clive Posted September 27, 2019 Report Share Posted September 27, 2019 I have used a gearbox drain plug (hex head, magnetic) as sump plugs on several engines. No sealing washer, no leaks. And fitted the taper plug to the gearbox. So straight swap... Some gearboxes have had tapered, non magnetic plugs when they have come into my hands. But most have the magnetic type. Probably had 100 gearboxes through my hands over the years. So must be pretty representative. If the sump is playing games, a good used one may be a wise move. Link to comment Share on other sites More sharing options...
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