Transmission Issue?
09-26-2013, 03:11 PM
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Transmission Issue?
Hi All,
I've got a 1999 Ford 5.4 triton. Recently over the last few months I've been running into interesting issues. My OD light started blinking which went away after a radiator flush as suggest on another forum but now I'm running into an issue where if when cruising between 40mph and 50mph the transmission will down shift under a slight upward grade or anything past a light amount of gas. there's no bang or clank just down shifts like I'm flooring it. Truck has about 95k miles on it. Side note it shifts normally up to 40mph and after 50mph it's just when keeping a steady cruise between those two speeds.
I've got a 1999 Ford 5.4 triton. Recently over the last few months I've been running into interesting issues. My OD light started blinking which went away after a radiator flush as suggest on another forum but now I'm running into an issue where if when cruising between 40mph and 50mph the transmission will down shift under a slight upward grade or anything past a light amount of gas. there's no bang or clank just down shifts like I'm flooring it. Truck has about 95k miles on it. Side note it shifts normally up to 40mph and after 50mph it's just when keeping a steady cruise between those two speeds.
09-27-2013, 09:48 AM
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Update
So last night I figured I take the overdrive off during in city driving and test to see if it down shifts like previously and it shifts normal in that 40-50mph range.