I don't know if the front shaft is chain driven. It very well could be, and the racket it makes sounds like it could be a slipping chain. It is a 4L60E trans, and there is no front hub locking mechanism...so I guess they're always locked, and the front running gear is always supposed to be somewhat engaged. It has IFS and half-shafts or CV shafts or whatever. Visual inspection showed no wear or damage to the boots, and there was no real visible leaks where the t-case or front ring/pinion may have dumped its juice.
I believe the sound is coming from front drive system, possibly where it mates to the tranny. That makes me, ignorant as I am, think possibly drive chain...or whatever else couples with front shaft with the tranny.
I know it isn't the infamous use of the wrong posi or g80 gov-lock gear oil or lube, it has open carriers front and rear.
Last edited by Highway Star; 09-08-2010 at 07:56 AM.
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