Work perform on a 1998 Ford F150 4x4 v 4.6L V-8, 4R70W 4spd digital automatic (code U in doorjamb). This tech article was originally posted in ~ FordF150.net. The is generally intended for Ford trucks yet most likely likewise applies to various other Ford models.
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Follow these instructions in ~ your own risk.
Tools needed for the job:Safety glassesRubber glovesRatchet, extension, and also 10mm, 11mm, 18mm metric socketsJack stand or lift (for non-4x4)Cleaning solventDrain panFunnelRags13 quarts Mercon V transmission oil (I supplied Castrol - part synthetic) DONOT use Mercon or Dextron III. They space not interchangeable.Filter Kit (Fram FT1167) which comes with a gasket which girlfriend don"t need.Flashlight or work light
Note: wear safety glasses if under the vehicle for eye defense as there"slots of dirt and grime under there just waiting to drop into your eyes.
Here"s a picture of the Ford 4R70W infection pan v the gasket sit ontop. The OE gasket is re-usable and is stamped as such shown by the red arrowhead onthe appropriate side the the snapshot below. An alert the grey colour donut magnet shownby the arrow on the top left the the picture.
There will remain about 1 or 1 1/2 quarts in the oil cooler and hoses which canbe puffy out through compressed air if friend so desire yet the hoses will have to beremoved therefore most human being don"t bother. It"s also complicated if friend don"t havecompressed waiting handy.
When you start the engine the hydraulic pump in the infection fills increase thetorque converter. Friend don"t desire to overfill the transmission appropriate away as 13quarts won"t right in the while the engine is stopped because the speak converteris empty to begin with, that"s why you need to start it increase a couple of times,otherwise you might blow oil the end the vent pipe and/or blow part seals.
If girlfriend accidentally overfill it, the easiest method to get some liquid out is todrain part from the torque converter. Then you won"t have to touch the panbolts.
Procedure ~ above V-6 and also EOD or 4R100 automatic transmission will certainly differ slightlywith different sized sockets and different oil. Examine your transmission oildipstick. Many Ford truck automatics walk from Mercon to Mercon V during the1998 model year. Early models acquired Mercon and also the matching dipstick.Apparently Mercon V have the right to be run in a Mercon transmission however don"t run Mercon ina Mercon V transmission.
If you uncover a tiny plastic plug with a rubber o-ring, don"t worry, this was inthe dipstick tube while the engine to be assembled on the assembly line and also fallsinto the transmission pan. It"s no a broken or lacking part! Discard that or keepit as a souvenir.
Mine took just a hair over 12 quarts. Capacity if the transmission oilcooler/lines wherein empty also is detailed at 13.5 quarts.
Cost (CDN$):13 Quarts Castrol Mercon V semi-synthetic $4.88/qt for $63.52Trans filter kit $39.54 (with gasket the isn"t needed)your time $? - roughly 4 hrs because that amateur.
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Many infection shops carry out a "power" fluid readjust by hooking approximately the coolerlines and also doing a pressure fill/exchange without dropping the transmission oilpan. This isn"t the best since you have actually old fluid mixing through new, and youhaven"t adjusted the filter. Too the magnet in the pan won"t acquire a cleaningand won"t work as efficiently to record metal sludge/particles the end of the oil.Think of a strength flush as acquisition a shower, then placing your dirty clothes backon. Not precisely ideal.