Toyota FJ Cruiser Forum - View Single Post - Front eLocker by Harrop: Installation and use
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post #2 of (permalink) Old 04-13-2019, 11:52 AM Thread Starter
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Re: Front eLocker by Harrop: Installation and use

The more difficult phase of the install came with fitting the locker in the clamshell and demonstrating a good pattern of the ring and pinion gears meshing (the yellow grease).Here’s what happened, and how you can easily avoid the problem we had....

Using the Harrop installation guide, three small ridges inside the clamshell required grinding down. There was only a picture to follow...and ours looked just like their pic. Oh, we also had to figure out (with no info) where to drill a significant hole in the clamshell to run power to the electromagnet. Settled on the top side of the diff to prevent leaking. Right away it was clear the position of the locker/ring gear inside was not mating well with the pinion, so the long trial n error process of subtracting foil-thin shims (like large metal gaskets), checking the meshing pattern by closing it up, using a drill to turn the gears, open back up and check the pattern etc over and over for HOURS....and unable to get it right. Reached out to Rodney the amazing shop owner, and to Chase at ECGS. Rob, my brilliant mechanic/friend finally suggested maybe we needed to grind away more metal from the the interior spots after seeing wear marks appear from our attempts. I was getting quite nervous but said go for it - and boom just like that, using the stock shim, great fit and excellent pattern in the yellow grease. So the second pic showing the three places to grind away is the one to use of you’re doing this
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Last edited by debFJVT; 04-14-2019 at 06:17 PM.
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