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Auto trannie banging in all gears
Hi everyone need some help diagnosing again.
2004 F350 6.0 with auto transmission. Stock configuration
NO codes, no flashing OD light
external filter and fluid change via plug 10,000miles ago
Have had some issues with transmission not shifting 1-2/2-3 until revs get very high 2800+-. This stopped after everything came up to operating temp. I lived with it and never looked further other than its an annoyance.
Suddenly today when under hard accelleration it revs abnormally high 2800+ and bangs upshifting in all gears. Considerably less noticable under mild accelleration but it appears to be shifting "Late?"
Where do I start?
Last edited by Piratejonh; 10-16-2011 at 10:19 AM.
Reason: can't spell