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Installing the TA Performance Differential Girdle
By "SuperCPA"
Before installing the cover, the load bolts (as indicated) need to be backed up to clear the bearing caps. However, attempting to remove them completely will likely damage the cover. If this is not performed before the cover is bolted in place, there is a high risk of damaging the caps as well.
I installed each of the 10 mounting bolts by hand before incrementally tightening each one to 25 ft/lbs while using a criss-cross pattern. After doing so, I gently screwed the load bolts back in until I could feel them engage the caps. To complete this step, torque the load bolts using a 1/4 hex key socket to a maximum of 5 ft/lbs. This is especially important because over tightening these bolts could distort the caps.
Once the load bolts have been properly installed, the jamb nuts can be tightened. I found it easy to use a hex key wrench to hold the bolts in place while using a 7/8 box end wrench to tighten the jamb nuts.
Locating and removing the factory fill plug on the side snout of the differential is required. While using the TA fill hole, continue adding the lubricants until it begins to escape out of the factory fill hole. After refilling the differential with one bottle of GM friction additive and two and a half bottles of synthetic 75W-90 gear oil, I reinstalled the fill plugs. For my application, I also chose to use Loctite pipe thread sealant on both the plugs to help prevent future leakage.
And there you have it. The finished product should add a little extra protection at the drag strip or during a *achem* spirited drive around town.
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