Quote:
Originally Posted by chengitis
Got it thanks for the clarification. For some reason I always thought it was FWD. so you never went into 4WD for the initial 500 mile break in? What is the vacuum gauge for?
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No problem. Unfortunately I can't comment on the gear break in since I'm on the stock gearing and tire size (for now oof).
Sorry I should have mentioned it in the other post, but ADD stands for automatic differential disconnect. So not adding anything, its an abbreviation. Based on what I understand, ADD unlocks the passenger side from the differential and the front driveshaft is disengaged by the tcase. In 2wd with the front wheels on the ground, you can even spin the front driveshaft. In my head, this is because the differential acts like you're stuck: The passenger side output will act like the unstuck wheel and spin because its disconnected within the diff, and the driver side will be the stuck wheel and not move. Seems like that would be a lot of wear on the spider gears, but they're not under an engine load, so I dunno about that part. Hopefully someone that understands a bit more about ADD will chime in.