Front eLocker by Harrop: Installation and use - Toyota FJ Cruiser Forum
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post #1 of 62 (permalink) Old 04-13-2019, 07:46 AM Thread Starter
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Front eLocker by Harrop: Installation and use

I’ve been watching and waiting for Harrop Eaton of Australia to expand their presence in the US, and late last year discovered it had done so..and ECGS was selling/installing them! In fact, ECGS said they were a better fit for Toyota clamshells than the ARB air lockers. Since my regear to 4.56 was relatively recent I decided to do the installation locally, vs ordering a whole new regeared clamshell with eLocker preinstalled. That’s what I would’ve done if they had been available at the time. But I would have missed all that learning Bottom line, if you’re regeared and want to install this eLocker it’s extremely doable if you have very specific instructions...which we did not

The locker is BEAUTIFUL, and Santa was so sweet to bring it to me First part of install was removing the old ring gear from the OE carrier, then assembling and pressing the new carrier bearings (definitely better that reusing the old ones) on to the locker body. Koyo manufactures carrier bearings for Toyota in Japan and are also offered by ECGS.

Much more to follow....time to take a break and go play with the new locker
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post #2 of 62 (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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post #3 of 62 (permalink) Old 04-13-2019, 12:04 PM Thread Starter
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Re: Front eLocker by Harrop: Installation and use

Closed up, bolted back in the FJ, and wired in the power for electomagnet and dash switch (I used an OE style one from Chitown4x4). Wouldíve been straightforward but had to move switches around to make room. Cut into the console for my rear window actuator. Really wanted the front locker switch directly below the rear locker switch because I have muscle memory for the rear switch which Iíll use more often, plus the front locker switch will be a bit more protected from accidental deployment (its completely on demand).
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post #4 of 62 (permalink) Old 04-13-2019, 12:09 PM Thread Starter
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Re: Front eLocker by Harrop: Installation and use

My impression driving it - locker engages immediately, no click sound. Right away the steering changes, making it clear it wants to go straight ahead and fighting turns. Also disengages right away. Iíll be trying it out on a ledge area soon and post feedback



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post #5 of 62 (permalink) Old 04-13-2019, 04:44 PM
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Re: Front eLocker by Harrop: Installation and use

G'Day Deb,
Well done !!!! Great write up, and pixs.....
It will make a difference this year out west, I bet.
Cheers
Baz
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post #6 of 62 (permalink) Old 04-13-2019, 04:46 PM
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Re: Front eLocker by Harrop: Installation and use

Deb.....you are a boss!
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post #7 of 62 (permalink) Old 04-13-2019, 05:16 PM
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Re: Front eLocker by Harrop: Installation and use

Oh great, what trouble are you gonna get us into this year?

Haha, nice.
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post #8 of 62 (permalink) Old 04-13-2019, 05:45 PM
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Re: Front eLocker by Harrop: Installation and use

Quote:
Iconic_ previously said: View Post
Oh great, what trouble are you gonna get us into this year?

Haha, nice.
I can hear Deb now over the CB, follow me...follow me .... its easy .....
hahahahaha
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post #9 of 62 (permalink) Old 04-13-2019, 06:21 PM
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Re: Front eLocker by Harrop: Installation and use

Great write up Deb
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post #10 of 62 (permalink) Old 04-13-2019, 06:52 PM
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Re: Front eLocker by Harrop: Installation and use

I love reading about yours and James rig builds. Looks like your going to beat James to being the first to drive up the face of half dome
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