How do I tell if I have the 4R70RW or 4R75RW in my 04?

[edarahk]

When I plug my vin in on the ford website it says I have a 70.
The code on the tag on the door says R (not H or U). From the research I've done the R trans code on the door sticker means I have the 75.

Sort of confused. Just curious about this more than anything!

[fastblackmerc]

When I plug my vin in on the ford website it says I have a 70.
The code on the tag on the door says R (not H or U). From the research I've done the R trans code on the door sticker means I have the 75.

Sort of confused. Just curious about this more than anything!

Trust the door tag. Not much difference either way.

[edarahk]

Trust the door tag. Not much difference either way.

Cool, thanks FBM!

[jimbok1951]

I thought from various posts on here 2004's all had 75's. Wrong or right ?
Thanks

[jimbok1951]

Mechanical details[edit (http://en.wikipedia.org/w/index.php?title=Mercury_Maraud er&action=edit&section=5)]

The Mercury Marauder was based on an updated version of the Ford Panther (http://en.wikipedia.org/wiki/Ford_Panther) platform that was introduced for 2003. The Marauder had a naturally aspirated 4.6 L V8 DOHC Ford Modular engine (http://en.wikipedia.org/wiki/Ford_Modular_engine#4-valve) producing 302 hp (225 kW) and 318 ft·lbf (431 N·m) of torque; this engine had many parts — including heads, cams, block and rotating assembly — in common with the 2003–2004 Mustang Mach 1 (http://en.wikipedia.org/wiki/Ford_Mustang_Mach_1#Mach_1_reb orn) Automatic and the 2003–2005 Lincoln Aviator (http://en.wikipedia.org/wiki/Lincoln_Aviator). The Marauder featured a dual exhaust system with MEGS tailpipe tips, with newly developed chassis and suspension modifications – such as moving the rear shocks outboard of the frame rails, which were later made available for the Crown Victoria and Grand Marquis. The Marauder was fitted with the 4R70W (http://en.wikipedia.org/wiki/Ford_AOD_transmission#4R70W) 4-speed automatic in 2003 and received the upgraded 4R75W (http://en.wikipedia.org/wiki/Ford_AOD_transmission#4R75E) 4-speed automatic for 2004. Both years featured the aluminum drive shaft from the Ford Crown Victoria Police Interceptor (http://en.wikipedia.org/wiki/Ford_Crown_Victoria_Police_Int erceptor). The limited slip differential with a 3.55 rear axle ratio was standard fitment on all Marauders.

found this on google

[whitey]

2004s did have 4r75w, however, im sure that ford used leftover trannys from 03 until they ran out. He might have a mutt car.

[88grandmarq]

All 2004 have the 4R75.

but to answer your question, the 4R75 has an extra sensor in the case.

http://www.85merk.com/members/eric_s/Extra_sensor.jpg

[gdmjoe]

Squirreled away ...
The 2004 Marauder also gets a new 4R75W heavy-duty, four-speed automatic transmission for greater efficiency and low-end torque. Other refinements include the addition of needle bearings and Teflon seals to a new 11.25-inch high-stall-speed torque converter with a one-inch one-way clutch. The new transmission provides quicker upshifts and downshifts, and lets the driver “kick down” into first gear at a higher speed.

Reference: 2004 Mercury Marauder Overview - Powertrain and Driving Dynamics

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The planitary ring gear was revised. It doesn't look much different, but the OSS sensor will send incorrect data to the PCM if used in an older vehicle. Basically a 4R70W has to be used with a 4R70W PCM, and a 4R75W has to be used with a 4R75W PCM.

The front pump assembly was revised to a much more efficient design. This part is compatible with a 4R70W, and would be a good upgrade if you have to replace a pump.

A wave plate is now used in the intermediate clutch. This part could also be used with the 4R70W.

Some of the accumulator springs may be also different, but these are the only major difference between the two. And despite some of the rumors going around the internet that the 4R75W can handle a WOT shift into overdrive, I wouldn't try it too many times. Especially if you have any mods. You don't want to have to take the whole damn thing apart to replace that overdrive band. The 4R75W is also used in the 04+ F-Series, E-Series, and Crown Victoria Police Interceptors.

Reference: http://www.mercurymarauder.net/forums/showthread.php?t=23240 (4R70W vs. 4R75W)

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the 4r75e's have a turbine shaft speed sensor that the 4r75w's don't.

you do not need tss sensor data for a 2004 or earlier crownvic. but there's no harm in having the sensor installed as long as it seals the hole in the case against fluid leaks.

you can drill out the orifices in a 2006 if you like. the 2006's use the same valve body gaskets as the 2001's did.

do be warned that the powertrain control module's transmission control strategy changed some in the 2005+ cars due to the addition of the turbine shaft speed sensor though.

in the pre-2005 cars, the pcm only knows abouts the speed of the engine crankshaft. in the 2005+ cars, the pcm also knows the speed of the input shaft after the torque converter. this new data could result in the pcm tripping powertrain error codes for transmission issues it never could have even detected before the turbine shaft speed (tss) sensor was introduced.

computing transmission slip before the addition of the tss was difficult.
the pcm knows the speed of the engine crankshaft, and the speed of the speed of the output shaft (oss sensor), but it had to make a guesstimate at how much the torque converter was slipping. in the 2005+ cars, the pcm knows the speed of the input shaft after the torque converter directly from the tss sensor, and it also knows the speed of the output shaft too. there are no guesstimates made for the torque converter slip, so limits on the slip no alowed for & expected the transmission can be set tighter if desired.

Reference: http://www.crownvic.net/ubbthreads/ubbthreads.php?ubb=showflat&Number=2044486 (4r75w/4r75e differences)

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7/64th for holes 2,4,5,9 and 11 and 3/32 for hole 10.

The holes got a little bigger as Ford adopted more changes but all in all you'll be fine.

Reference: http://www.crownvic.net/ubbthreads/ubbthreads.php?ubb=showflat&Number=2465934#Post2465934 (J-Mod on 4R75?)