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 Posted: Sat May 23, 2015 6:39 am |
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Joined: Feb 24, 2010
Posts: 742
Trade Rating: +2
Location: Cardiff
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Hi All,
Wanted to drain my gearbox oil this weekend, but after a poke around it seems it is a 6mm square drain plug (there is no socket sides to the plug).
Does this sound correct?
Any idea where I can get a 6mm square socket from?
Thanks,
Ben
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Last edited by Bigbenj_08 on Mon May 25, 2015 7:14 am; edited 1 time in total
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Posted: Sat May 23, 2015 7:22 am |
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Joined: Apr 09, 2014
Posts: 205
Trade Rating: 0
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I'm pretty sure mine is a 6mm inside but the bolt is larger so you can use either. I can't remember the size but it may have been 16/17/18
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Posted: Sat May 23, 2015 9:27 am |
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Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage
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Halfords do sets so they will fit your next car too.
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| 2001 GTi 138, Bilstein Sprint dampers, H&R springs, 21mm Peugeot Sport torsion bars, 22mm rear ARB, Peugeot Sport Group A wishbones, 283mm discs, Goodridge stainless hoses, Maniflow 304 grade 4-2-1 2.5" manifold and system, 200 cell cat, Richard Longman head, 45mm Jenvey throttle bodies, 9.5mm TB spacers, 90mm air horns, Jenvey throttle linkage, Jenvey fuel rail, Aeromotive and Goodridge fuel fittings and braided hose, ITG sausage filter, Radtec custom radiator, Piper Ultimate Road cams, Piper vernier pulleys, Omex 600 ECU. Saxo electric PAS pump, Vibra Technics engine mounts. Samco coolant hoses, TTV steel flywheel, 4.76 final drive ratio, 307 CC 180 ratios. 2019 BMW 530i. 2017 Mercedes C300 convertible. | |
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Posted: Sat May 23, 2015 10:05 am |
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Joined: Jan 29, 2011
Posts: 6526
Trade Rating: +10
Location: Westhoughton, Lancashire
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Don't know where my post went but he are the pictures again. Pretty sure it's 8mm square. Tools are available from Halfords or any decent accessory shop.
8mm square socket and dual sump/gearbox plug tool which you use with a 19mm spanner or socket
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Posted: Sat May 23, 2015 12:21 pm |
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Joined: Feb 24, 2010
Posts: 742
Trade Rating: +2
Location: Cardiff
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Ok, so its definately NOT 8mm lol.
I have an 8mm sump plug key, which fits my engine oil sump plug no bother... I've tried about 5 times now and it isn't going in the gearbox drain plug!
Went into Halfords this morning and all I could find was square keys starting from 8mm upwards!
I took a pic to make sure I'm not going mad, this is a square key isn't it?
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Posted: Sun May 24, 2015 3:54 am |
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Joined: Dec 03, 2012
Posts: 96
Trade Rating: 0
Location: Doncaster
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I found it needed to be hammered in but it was an 8mm square. This was on a 2002 1.1 petrol. Halfords also sell a tapered black one i think, i've used that but the taper means it's hard to but big torque on it.
Or maybe buy an 8mm and shave a little bit off with a grinding wheel? Not ideal but it would work, i had trouble finding smaller than 8mm squares too, google kept suggesting alans.
Regards, Richard.
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| Life would be easier with universal jointed arms and fingers sometimes | |
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Posted: Mon May 25, 2015 3:36 am |
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Joined: Feb 24, 2010
Posts: 742
Trade Rating: +2
Location: Cardiff
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Cheers Richard, About to go give it another go!
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Posted: Mon May 25, 2015 4:25 am |
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Joined: Feb 07, 2010
Posts: 2720
Trade Rating: +6
Location: UK
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Bought mine from Halfords, I would measure it but my bros got it!
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Posted: Mon May 25, 2015 7:13 am |
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Joined: Feb 24, 2010
Posts: 742
Trade Rating: +2
Location: Cardiff
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Done! The socket must have had a galvanising layer on so was a touch too big... small bit of filing and a hammer and it went in and knocked off fine.
Old oil was horrible, black and smelt burnt as hell.
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Posted: Mon May 25, 2015 7:18 am |
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Joined: Feb 24, 2010
Posts: 742
Trade Rating: +2
Location: Cardiff
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Posted: Wed Nov 29, 2017 7:42 am |
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Joined: Dec 09, 2014
Posts: 28
Trade Rating: 0
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A handy tip for sump drain square plug. If you've not got the proper square socket you can undo a door handle from your house and use the square metal bar that connects the door handles. I found that a perfect fit.
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