Fly Posted July 15, 2013 Share Posted July 15, 2013 As my electric seats weren't working I decided to take a look. It would appear that the worm gear which may have well been made from playdo is a little worn!! Just wondering if anyone can suggest where I could pick up another. I don't really want to ask to break another set of seats and get a part worn one. Has anyone had a new one made and if so where? Some pics Quote Link to comment Share on other sites More sharing options...
markssupra Posted July 16, 2013 Share Posted July 16, 2013 (edited) I had the same problem, so made a new gear out of steel . Can only get a complete new motor from toyota for lots of money. If you want a steel gear you would have to send me that part so I can use the inside bushing. Edited July 16, 2013 by markssupra (see edit history) Quote Link to comment Share on other sites More sharing options...
Fly Posted July 16, 2013 Author Share Posted July 16, 2013 That would be ideal, as I was trying to call model shops to see if they would sell anything like that. Can you pm me an address and price please oh and how long it might take. Thank you Quote Link to comment Share on other sites More sharing options...
The-Plethora Posted July 16, 2013 Share Posted July 16, 2013 Ooooh I might be after one too, I presume this is the gear from the front back motor that seems to commonly die? Quote Link to comment Share on other sites More sharing options...
Fly Posted July 16, 2013 Author Share Posted July 16, 2013 It's from the drivers seat motor gearbox Quote Link to comment Share on other sites More sharing options...
markssupra Posted July 16, 2013 Share Posted July 16, 2013 That would be ideal, as I was trying to call model shops to see if they would sell anything like that. Can you pm me an address and price please oh and how long it might take. Thank you You wont find a gear anywhere like that, the centre bush has drive serrations like teeth that the nylon gear is moulded around. Looks like I could make in a few days once I have your old one, will pm you address and price, wont be cheap, but certainly cheaper than a new seat or motor Ooooh I might be after one too, I presume this is the gear from the front back motor that seems to commonly die? Yes mate, the motor that moves the seat forward and back. Here's the gear shaped left over bit. The actual gear has been cut out using one of my wire eroders. Quote Link to comment Share on other sites More sharing options...
hkchan Posted July 13, 2015 Share Posted July 13, 2015 Tried 4 gears and one end cap from gamiviti, still not working Have tried my best to research and ordered the gears from gamiviti but still cannot get it working, new gears got crack and stripped again during the movement test. The problem originally started from loose end cap, then I tried to move forward and backward many times to see what's went wrong. After research, understood where the problem is, so order 4 gears and end cap from Gamiviti. Prepared very well and follow all sort of online advice and instruction. Both side gears got worn out, so replaced both as well as new end cap (with telfon tape and super glue). However, still cannot get it worked. After two different attempts, the motor side gear works fine, but left side gear just cannot get it to work. One attempt's result is cracked gear, 2nd attempt's result is worn out again. Don't know what went wrong, have taken the things out to inspect again. The seat runner does not have any obstacle but when I manually move it, it is not quote smooth , may be the shaft with weld washer block the run, so need to move the shaft a bit when I play the runner forward and backward. Getting very good knowledge on how to remove them, but the objective of fixing it seems failed. Feeling helpless. Quote Link to comment Share on other sites More sharing options...
hkchan Posted July 13, 2015 Share Posted July 13, 2015 More photos [/url Quote Link to comment Share on other sites More sharing options...
hkchan Posted July 13, 2015 Share Posted July 13, 2015 More photos - - - Updated - - - Last photos Quote Link to comment Share on other sites More sharing options...
hkchan Posted August 9, 2015 Share Posted August 9, 2015 Finally sorted. The issue was not from the new gears, it was my wrong installation approach. After putting all gear back, need to make sure both side runner in parallel first. I keep turning it after the lock nut has been installed, which broke the gear inside. The best advice I would say is to make sure the both runner are aligned properly before removing the parts, and never make the seat runner position change even if we turn the runner shaft a bit to free the gear box out. Quote Link to comment Share on other sites More sharing options...
Skullcrusheruk Posted November 1, 2015 Share Posted November 1, 2015 (edited) Evening, I have just replaced my drivers back to an original Supra Mark iv seat I have exactly the same problem you had where my seat only goes forwards or backwards on the motor side i have noticed on you photos that there is a white plastic Plug screw, mine is gone? where did you get the replacement from & which part number is it?[ its the image on your second collection of photos, the one next to a roll of PTFE tape ( the cap with the Philips screw ) Edited November 1, 2015 by Skullcrusheruk (see edit history) Quote Link to comment Share on other sites More sharing options...
supra_ufo Posted November 21, 2016 Share Posted November 21, 2016 Thread revival sorry I think I have this issue with my seats, does anyone know where I can get this? we have one of those 3d printers at work, does anyone have the measurements, I could print a few off Quote Link to comment Share on other sites More sharing options...
j_jza80 Posted November 22, 2016 Share Posted November 22, 2016 NOZ was looking for ideas for billet items, this would be a good candidate. Quote Link to comment Share on other sites More sharing options...
supra_ufo Posted November 22, 2016 Share Posted November 22, 2016 I need this before I go on any trips to europe, at least then my mrs can drive my car if she wanted to Quote Link to comment Share on other sites More sharing options...
jay200bhp Posted November 22, 2016 Share Posted November 22, 2016 There's a nylon gear company called igus could try them. Your man with the EDM machine has the best approach though.nice job.is it a charmilles machine? Quote Link to comment Share on other sites More sharing options...
Noz Posted November 25, 2016 Share Posted November 25, 2016 Replacing the gear with another nylon product only replaces it with a weak item. If I had both gear and worm perhaps I could make a replacement kit of both metal parts (one a harder material). Machining a gear like this isn't something I could do in my machine shop. However I could have one 3D printed using metal laser sintering. Anyone have both worm and gear I could have? How many people have this issue? Quote Link to comment Share on other sites More sharing options...
charlton Posted November 26, 2016 Share Posted November 26, 2016 Me, well I assume it's this issue as it only seems to move one side of the seat. What sort of cost do you think we'll be looking at? Quote Link to comment Share on other sites More sharing options...
Noz Posted November 26, 2016 Share Posted November 26, 2016 No idea. If I can provide a retro fit replacement it'd not be huge cost. The ratio of the seat movement would just be different. Quote Link to comment Share on other sites More sharing options...
supra_ufo Posted November 26, 2016 Share Posted November 26, 2016 Replacing the gear with another nylon product only replaces it with a weak item. If I had both gear and worm perhaps I could make a replacement kit of both metal parts (one a harder material). Machining a gear like this isn't something I could do in my machine shop. However I could have one 3D printed using metal laser sintering. Anyone have both worm and gear I could have? How many people have this issue? If I sort a spare u can have the current one to mould Quote Link to comment Share on other sites More sharing options...
wingfoot Posted January 18, 2018 Share Posted January 18, 2018 Happy New Year from London ! My local carwash just broke the electric runner mechansim and the backrest ratchet on my 1993 MkIV. I can now drive lying down ! From your epxert pov can you tell me 1. if it is easy to lock the backrest upright (as it has no ratchet or lock at the moment and just flops)? This would at least get me by while I try to repair the runners. 2. Do you think the passenger side manual seat runner will fit in the drivers side ? I dont mind not having electric motors - one less thing to go wrong. 3. Did the gears from USA fit properly ? I wish to order them and overhaul if I re-do the electric motors 4. Any chance you could help me if I brought the car up to you ? I at least cont know how to to get the seat forward enough to attack the rear bolts. 5. Call me on 07958 591300 if easier. Thanks in advance for any kind help. John Quote Link to comment Share on other sites More sharing options...
rider Posted January 19, 2018 Share Posted January 19, 2018 Has anyone who didn't want to repair the mechanism tried fitting a US or Euro passenger seat instead? Quote Link to comment Share on other sites More sharing options...
Supraman29 Posted April 5, 2020 Share Posted April 5, 2020 You wont find a gear anywhere like that, the centre bush has drive serrations like teeth that the nylon gear is moulded around. Looks like I could make in a few days once I have your old one, will pm you address and price, wont be cheap, but certainly cheaper than a new seat or motor Yes mate, the motor that moves the seat forward and back. Here's the gear shaped left over bit. The actual gear has been cut out using one of my wire eroders. http://www.mkivsupra.net/vbb/attachment.php?attachmentid=172487&stc=1&d=1373995331 Do you have the gears for the seat? Mine are worn out and need replacement. Appreciate if you could reply. Thanks. Quote Link to comment Share on other sites More sharing options...
marc10 Posted April 18, 2020 Share Posted April 18, 2020 Hey! I saw your thread on replacing the power seat gears. Just wondering if you can help me with the below! Would you happen to have a pic of the power driver seat - same images as below or just let me know what nuts and washers are used in the below (Prefer a picture so I can see if I can source an exact nut) Here is the seat rail closest to the shifter console. I lost the nut/washer and wanted to know what it looks like plus how many washers go on the front. The other side actually has a nut plus two washers on the front but its a 12M vs 10M and can't remember if the same setup unfortunately. When you tightened the nuts I assume you didn't tighten them too much since it could break the gear inside? Here is the back of the above pic. Is there supposed to be a washer there or no? The other side has a washer, not sure if the same. Quote Link to comment Share on other sites More sharing options...
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