Changed fuel pump and now have overdrive flashing light
My 2001 Lincoln Navigator would not start on a short trip out of town,it was towed 126mile. We figured it was a fuel pump-we changed the fuel filter one month prior.We changed the fuel pump-we also cleaned battery.The vehicle starts good now but when taking off it does not take off like usual.Takes time to get speed,but does well when you got to 50 in town or 75 on hwy,just the getting started is very slow.We noticed that now the Overdrive Light is flashing,which it was not doing before(my check engine light was on for the filter,stayed on,we thought it would go off when we changed fuel pump)it did not.We want to know if there is something that may triggered this when changing pump- or if there is something we are overlooking-before we take it to dealership. Starts up with no problems now but just will not take off like before-if i were to get on the road and a car was coming too fast i would get hit-but once i have my speed up its ok.In manual there is a section that the transmission needs to learn how to think when battery is disconnected -could that be the issue and all we need is time?
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Nov 19, 2013 - Uploaded by Robert Nauert
Lincoln Wiring Diagrams / Schematics ... Lincoln Aviator, Continental, LS, MKS, MKT, MKX, Mark Series, Navigator, Town Car, Zephyr and MKZ.
I am sorry to have to tell you you are most likely to have to take your car to a Lincoln dealer and have your computer replaced, or re-programmed at the least.
This kind of mistake cannot be fixed for free.
God bless your efforts.
Yes. The DEFAULT is on. If you turn it off, it will turn back on if you turn the ignition switch off and back on again. The only reason you would want it off is if you are towing a trailer. In this case, you must turn it off each time you turn the ignition switch on to prevent transmission damage.
The only other time you would want to turn it off (towing or not towing) is if you are climbing a LONG STEEP hill - like in the mountains, and the transmission is shifting in and out of overdrive continuously.
Fuel Pump ModuleRemoval & InstallationTo Remove: WARNING Highly flammable mixtures are always present in any fuel related component. Smoking or carrying lighted tobacco or an open flame of any type may ignite the flammable mixtures. WARNING Even when the engine is not running, fuel in the fuel system remains under high pressure. Fuel system pressure must be relieved before working on or disconnecting any of the fuel lines, fuel tubes, or fuel system components. Failure to do so may result in accidental spraying of fuel, personal injury, or a fire hazard.
Sounds like a pinion bearing is bad in the rear differential. If the sound is in the rear and louder under load (acceleration or pulling) and quieter on no load (deceleration) it is a 99% chance the bigger of the 2 bearings on the pinion is bad. The big one is under load when accelerating and the smaller one is under load on deceleration. The rest of the diff should be OK. Just put in 2 complete pinion bearings and a new pinion seal and fresh fluid and you should be fine. In the future don't forget to change the diff fluid once in a while. And as a tow vehicle the trans fluid should be changed more often too and STAY OUT OF OVERDRIVE when towing. Because you may have a failed bearing....you may be over loading your vehicle and exceeding it's towing capacity. Ford has a tendency to be VERY optimistic with their towing/loading ratings. Is it rated for 30% more than what you are pulling?
one question at a time, the OD flashes to let u know that the transmission control module has detected a fault in the trans, this is useualy slipping, u may not even feel it. Have it tested for trouble codes.
As for the AC, is the system fully charged, does the compressor run?