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12-16-2010, 03:12 PM
| #1 |
| Scale Detail Engineering Join Date: Apr 2010 Location: Turtle Island
Posts: 5,573
|  broken lockers?
HI, just picked up a used mrc and noticed it seems like it's open diff, the front left and rear right are driving and the other 2 spin untill resistance is applied then they sort move freely. Is this broken lockers or could an open diff have been installed? I read this faq but still wasn't sure: Q. I was out driving my truck around the yard/rocks/ditch/laundry/over the kids, and now only the front/rear wheels turn, its like I dont have four wheel drive anymore/ or I only have 3 wheel drive now... A. You have broken a locker. The axles on the MRC have little plastic lockers that mount inside of the ring gear housing, to much torque, and the metal axle shaft spins in the locker , instead of turning with the locker. You need to buy some metal lockers. There isnt currently a how to thread on replacing them because it is very easy to do, refer to your owners manual for dissassembly and reassembly |
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12-16-2010, 07:24 PM
| #2 |
| Quarry Creeper Join Date: Jul 2008 Location: Sedro Woolley
Posts: 440
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yup you definitly have broken lockers. upgrade to metal ones and that will solve your problem. while your at it you might as well buy one for front and rear and a center one. heres alink to each http://www.rpphobby.com/SearchResult...rch=mrc+locker remember only one package does one axle for front or rear. so you need 2 and 1 center one. post up some pics of this lil mrc of yours. |
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12-17-2010, 12:35 AM
| #3 |
| Rock Crawler  Join Date: Mar 2009 Location: Grand Jct.
Posts: 581
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If you can, get the RcBros locker, it completely removes the plastic on and around the diff,(aside from the axle.)
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12-17-2010, 08:01 AM
| #4 | |
| Scale Detail Engineering Join Date: Apr 2010 Location: Turtle Island
Posts: 5,573
| Quote:
I think I'll head up to hobby town today and pick them up. I bought this for my nephew for Christmas from Brandon f. http://www.rccrawler.com/forum/showthread.php?t=282349 It has the GC2 chassis, aluminum shocks, aluminium servo/electronics mounts a bigger servo and mayhem beadlocks. It came with the origional chassis, 2 sets of extra bent links, old shocks and stock wheels. I think I'm going to keep the Mayhem wheels, give the nephew the stockers and start my own build. I found lmc axles on ebay for $70. I'm really enjoying this little truck... I don't have a full time crawler and I think this may be the one to build. I'm currently building 2 micro crawlers and a honcho so it'll be a while befor I can finish this one. Actually, my first mcrc was up and running but I blew the esc 2 days ago!  | |
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12-17-2010, 08:03 AM
| #5 |
| I wanna be Dave Join Date: May 2010 Location: Stowe
Posts: 3,987
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I would go with the metal lockers not the alum. ones. I twisted the aulm lockers almost all the way around. The Losi are better IMO.  |
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12-17-2010, 08:05 AM
| #6 |
| RCC Addict Join Date: Jul 2009 Location: Shreveport, LA
Posts: 1,005
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you are gonna want to get some of these: http://www.tcscrawlers.com/Hot-Racin...8-p-17250.html It gets rid off all of the plastic and you won't twist them off. |
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12-18-2010, 11:04 AM
| #7 |
| RcBros Hobbies   Join Date: Nov 2005 Location: Oregon
Posts: 4,646
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I'm sure you twisted a cheap pot metal HR Locker. Never heard nor seen and issue with ours. And if I did, you'd have a new set free of charge.
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12-19-2010, 08:25 AM
| #8 | |
| Scale Detail Engineering Join Date: Apr 2010 Location: Turtle Island
Posts: 5,573
| Quote:
or it also replaces just the differential lockers (LOSB1433)? Thanks, I need to place an order because I want to try and have this ready Christmas day. | |
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12-19-2010, 06:03 PM
| #9 | |
| Rock Crawler Join Date: Jan 2009 Location: Great NorthWest
Posts: 657
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It just replaces the locker, you still need the housing. You should have housings in your car u picked up allready, unless your going to rebuild everything new Quote:
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12-19-2010, 06:23 PM
| #10 |
| Rock Stacker Join Date: Aug 2007 Location: harriman
Posts: 76
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john, this is what you need. you will need 2 one for front and one for rear. LOSI LOSB1433 DIFF LOCKER FRONT/REAR MINI-ROCK-CRAWLER they are on ebay for 10 each. and if you wanna upgrade the tranny you will need this. LOSI LOSB1435 Cntr Metal Diff Locker MINI-ROCK-CRAWLER also on ebay for 10 or if you want you can go plastic and get the whole kit. LOSI LOSB1434 Diff Locker Plastics MINI-ROCK-CRAWLER they are 7 bucks on ebay. if you have any other questions just pm me and we will get you fixed up. thanks, brandon |
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12-20-2010, 07:29 AM
| #11 | ||
| I wanna be Dave Join Date: May 2010 Location: Stowe
Posts: 3,987
| Quote:
Quote:
Got them off fleabay, 2 piece that bolts to the ring. I'll get pics. Never said they were RCBros relax.   Last edited by Jslick; 12-20-2010 at 08:06 AM. | ||
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12-20-2010, 07:33 AM
| #12 |
| Quarry Creeper Join Date: Mar 2007 Location: Martins Ferry,OH
Posts: 476
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^ this is exactly it but dont get plastic anything upgrade all your gears to metal and get a straight axels in the rear and you should never have another problem with gears
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