CobraMarty
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On the new jeep with 4.0 and AW4, under less than 1/2 throttle everything is fine, idle is fine, shift thru all the gears fine.
The problem is under hard acceleration in 1st gear it makes a metalic noise, like a piece of metal is touching the ring gear, almost a 'ratcheting' like noise. It seems to still be accelerating during this noise and once shifting into 2nd the noise stops.
Checked the flex plate inspection cover, flex plate looks good and bolts are tight, no muffler or cat rattles, fan not hitting the radiator, motor mounts look good.
This sounds bad, ? 1st gear splines slipping, ?torque converter noise, ?something loose inside of trans?
The problem is under hard acceleration in 1st gear it makes a metalic noise, like a piece of metal is touching the ring gear, almost a 'ratcheting' like noise. It seems to still be accelerating during this noise and once shifting into 2nd the noise stops.
Checked the flex plate inspection cover, flex plate looks good and bolts are tight, no muffler or cat rattles, fan not hitting the radiator, motor mounts look good.
This sounds bad, ? 1st gear splines slipping, ?torque converter noise, ?something loose inside of trans?