OK So we've all been in a similar picnic with your local Goodwrench Dealer. 2004 SS now 13K, started with noise at 3300, misdiagnosed as a power steering pump, then at 6600, they started to tinker. Got the mechanic to do a drive with me and I demonstrated, after the service advisor heard nothing.
They did a front diff bearing changeout, then when it still had noise went through the transfer case. The service advisor sheepishly said that it still makes noise when I picked it up.
Drove it 350 miles to a job, and had the diff and Tcase seals replaced due to leaking. The mechanic there was good, but the dealer said he had no parts to go further and it would involve time and the rep to approve. He strongly suggested back to purchasing dealer.
So, its been back to the dealer but they want the rep to review it all and sign off, but he seems to be seldom available, and always in Detriot.
What I'm looking for is your response from what your truck does or doesn't. This one will howl or growl on throttle lift with a turn right or left, best noticed with slight downhill, like swinging into a parking stall, or doing a downhill right or left. Speed usually at 30 -10 or so. Also noticed some similar noises when sitting and riding on the tailgate both on throttle and off.
Thinking it's in the rear but now I'm getting more of the run around from the dealer and some of his contacts have said this is normal.
It was noticed at 3300 and has continued to get louder. I thought about a ride with either a front or rear driveshaft out to see if it appears to disappear with one or the other.
Looking for any and all feedback to dump on the dealers lap when they say its a common noise.
Thanks for any heads up about the truck. Guess I shoulda waited for a RWD, but that's hindsight.