WS62000

iTrader: (21)

When I'm in a higher gear, 4th/5th/6th, ther is this whining/whistling noise coming from what seems the rear of my car. But if I press in the clutch and take it out of gear (while still driving), the noise goes away. As soon as I put it back in gear, the noise comes back. Also, when I'm in 6th gear at about 50mph (I have 4.10's), there is a chattering noise that will go away when I push the clutch in and take it out of gear.

What could this be?
It shifts fine, stays in all gears, and drives perfect, other than the noises.

Mike44138

iTrader: (3)

Sounds like the whining could be the rear end. I don't know a lot about setting them up but I know there's a fine line between adjusting the pinion and it can exhibit whinning when accelerating, coasting, or decelerating based on how it's installed.

calhoon

iTrader: (6)

I vote for your 4.10 mod as the cause.

WS62000

iTrader: (21)

I hope so, I don't have funds to rebuild the trans! I'm actually getting rid of the 4.10s for 3.42's so maybe that will help.