Another thread on rear diff. lubricant.....
I didn't want to hack the other thread going on with rear diff. questions, but it influenced me to post my issue with my rear diff. I have a 2003 Chevrolet Tahoe, 5.3 4x4 133,000 miles. About two yea...
Forum Discussion
After checking, I do have the GT80 code in the glove box.
And I will admit, I must have exaggerated a bit about how much noise it currently making. We are still using it as a daily driver, and my wife the daily driver doesn't ever hear anything. lol. But I do when I drive it. I guess I need to attempt to check it out and service it this weekend, and if it isn't destroyed, put back in it the 75w90 full synthetic without the friction modifier.
And I will admit, I must have exaggerated a bit about how much noise it currently making. We are still using it as a daily driver, and my wife the daily driver doesn't ever hear anything. lol. But I do when I drive it. I guess I need to attempt to check it out and service it this weekend, and if it isn't destroyed, put back in it the 75w90 full synthetic without the friction modifier.
