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T Case Worm Gear Install

August 29, 2017


So you've got that awesome new 1 ton axle in the rear of your Tacoma and you contacted us to get the speed sensor fix since you lost your speedo when you swapped in that new rear axle.  AWESOME!

So you went to the rear of your t case and pulled the cover off eager to iinstall your speed sensor only to find this.  NO WORM GEAR!  What the.........  ?????

 Yep folks, in some of the Tacoma Case's and even the some of the later version FJ Case's the worm gear has been replaced with a simple spacer.  So now what do you do? 

Give us a call or email us and we'll get you the parts required or you can search around for them yourself.  Then just follow the instructions below to get it installed.


First you'll need to pull your rear driveshaft if the t case is in your truck.  Once you've done that you'll need to pull the rear drive flange.  You'll need a 30mm socket and a powerful impact wrench to get the nut off.  Once that is off you'll need to pull the rear cover off.

There are 5 12mm bolts you'll need to take off to get the rear cover off.

 Once that cover is off you should see something like this.  Here you'll pull the blank spacer off and get ready for your new worm gear kit.

 Here is what you'll get in your kit.  You'll need everything here or it won't work.  There is the worm gear, two brass spacers and a small ball bearing (not pictured).