5r55s Transmission

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Transmission, Crazy Speedo, Whirring, and Limp Mode
Some background - I've had my 2004 Explorer v6 4wd for probably 3 years now, and feels like I've replaced pretty much everything. The transmission went out about a year ago, so I pulled a junkyard tranny and swapped it in, at which point I also put in a reman torque converter and applied the..
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- 5r55s limp mode torque converter transmission whirring
- Replies: 0
- Forum: Stock 2002 - 2005 Explorers
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“Bulletproofing” a 5R55S?
Hey!I got a V8 explorer recently with a 5R55S. The vehicle has about 100k miles on the dash. What maintenance should be recommended for this? I’m going to do the regular filter and fluid change but what preventative maintenance should I do to this to avoid the transmission blowing?The vehicle..
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- 5r55s maintenance preventative maintenance transmission
- Replies: 1
- Forum: Transmissions & Transfer Cases
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2006 Explorer XLT 4x4 4.0ltr transmission problem unlike anything I've seen.
2006 Explorer XLT 4x4 4.0ltr 5R55S automatic transmission just over 171k miles. Ran excellently until last December. When it finally fell victim to the a/c condensation tube that drains onto the solenoid block pigtail connector debacle. Causing the solenoid block to suddenly fail. After..
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- 5r55s changed pigtail changed solenoid no codes present
- Replies: 8
- Forum: Stock 2006 -2010 Explorers
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Transmission clunk(metal on metal) when when first shifting from 1st into 2nd gear
Hello,I have a 2005 ford explorer 4.0. it has 195k miles on it and i assume the second transmission in it (but I don't really know, i just read that those 5r55s transmissions blow up at about 135k miles). I did 3 pan drops and fills and had to replace the solenoid pack.My transmission makes a..
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- 5r55s clunk cold first gear noise problem scrape second gear starts start transmision
- Replies: 16
- Forum: Stock 2002 - 2005 Explorers
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Transmission help!! 5r55s shift solenoid?
Hi I've got a 2006 explorer 4.0l that I cannot figure out what to do next. So it wont shift without giving it gas or waiting like 10 seconds. It has a hard time shifting up, it will just slip and slam into gear. I ran my code scanner on it and got a p0750 and p0760 shift solenoid codes. I went..
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- 5r55s lost shift transmission
- Replies: 2
- Forum: Stock 2006 -2010 Explorers
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5r55w solenoid pack compatibility
Hey y'all can someone tell me if the 1L2Z and 1L2P solenoid packs are the same or if the 1L2P is compatible with my transmission? I have an 03 mountaineer awd 4.0 sohc with the 5r55w. I read that 02 and 03 require the non updated pack part number 1L2Z. But the only ones I can find online for..
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- 03explorer 03mountaineer 5r55s 5r55w
- Replies: 1
- Forum: Transmissions & Transfer Cases
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5R55S to rebuild or not
Hello all,I have a 04 Ford Explorer XLT which I have gathered has a 5R55S trans. The other day I lost 2nd gear. About 4 years ago I replaced the solenoid pack due to harsh rev. shift. Anyway that fixed that problem then, now I'm faced with this new one. I have pulled the trans. and tore..
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- 5r55s
- Replies: 22
- Forum: Transmissions & Transfer Cases
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5R55S drives forward just fine / Reverse only works if I do not press the gas
New user here. I am having an issue with what I believe to be the transmission on my 05 ford explorer 4X2 XLS. I believe it has a 5R55S transmission and I came up with that by doing a VIN check online. It seems like when I drive forward everything seems normal. When I put it in reverse it..
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- 5r55s5r55s transmission transmission
- Replies: 17
- Forum: Transmissions & Transfer Cases
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swapping a 2004 explorer transmission in a 2003
I posted this on an explorer FB page already, but I figured I'd get some more recommendations here. I have a 03 4.0 4x4 that the OD band broke and shot metal through the transmission. I was originally planning on rebuilding it myself, but would rather swap in a good trans and save a lot of time..
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- 2003 2004 5r55s explorer swap trans transmission
- Replies: 2
- Forum: Stock 2002 - 2005 Explorers
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5r55s P0755 - Not the first and sure won't be the last
Let's start off by saying I'm a chef not a mechanic but determined to learn to fix what I can. I got the check engine light on with with abnormal shifting. Pulled the code and got P0755 after some research decided to try the servo bore repair kit. (Little note that is a real struggle to do with..
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- 5r55s servo bore transmission
- Replies: 0
- Forum: Stock 2006 -2010 Explorers
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Wrench light
I have a 2007 Eddie Bauer, 4X4 w/ 5R55S transmission. About two weeks ago I changed the fluid and filter following the occasional illumination of the wrench light on the instrument cluster. No obvious problems but at 119,000 I figured it was due and thought changing the fluid could be..
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- 5r55s transmission wrench
- Replies: 10
- Forum: Transmissions & Transfer Cases
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5R55S slow engagement after fluid and filter service
The transmission had no problems before servicing. After servicing, it is slow to engage after coming to a stop or coasting down to a lower gear, there is a delay engaging. After stopping it needs to hit 1800 rpm to engage and does so harder than normal. You can bring the rpms up slowly to about..
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- 2004 5r55s explorer transmission
- Replies: 20
- Forum: Transmissions & Transfer Cases
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08 Ford Explorer 5r55s transmission part? Need Help.
Hey guys! I'm new to the forums and first time owner of a explorer. I just recently bought one with a bad transmission. When I tore it down for the rebuild I noticed there was a rod broken underneath the reverse servo it holds the reverse band strut in place. I can't find this rod anywhere does..
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- 5r55s 5r55w explorer limited pin reverse rod servo strut
- Replies: 6
- Forum: Stock 2006 -2010 Explorers
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Solenoid Pack replacement 4L2P with 1L2P
Hello guys,I need to replace the solenoid pack for my 2005 with 5R55S transmission. The part number I removed from the car is the 4L2P-7G391-AA, i ordered on ebay a replacement and i got the 1L2P 7G391 AF.Do you know what is the difference between these solenoid packs??? Can i install the..
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- 1l2p 2005 4l2p 5r55s replacement solenoid solenoid pack tranmission
- Replies: 3
- Forum: Transmissions & Transfer Cases
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2010 explorer transmission swap
I have a 2010 explorer 4x4 needing a transmission imagine that right?was wondering if I need any special tools to swap I read that it may need programming to shift right? don't know if its truethanks
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- 5r55s
- Replies: 0
- Forum: Transmissions & Transfer Cases
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Solving shift flare before it ever occurres?
Has anyone ever tried the Servo bore o-ring fix before experiencing any delayed/hard shifts from 2-3 and 4-5? I have an ‘03 Explorer and it shifts fine but I anticipate it will start “flaring” between shifts. I’m familiar with the simplicity of the fix —temporary or not — and I’m considering..
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- 5r55e 5r55s 5r55w delayed shift shift flare
- Replies: 1
- Forum: Stock 2002 - 2005 Explorers
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Midwest shops that can bore and sleeve the servos on 5R55S?
Hi all!I'm living in Forgotonia Illinois, next to Middleofnowhere, and no one even close to me is even aware of the servo bore issue. Can anyone recommend a shop that can bore and sleeve my case? I have it torn down, and I'm nearly ready to reassemble, but I would like to get it sleeved before..
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- 5r55s bore repair shop sleeve
- Replies: 1
- Forum: Transmissions & Transfer Cases
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advice needed re. 5R55S parts swap . . .
I have two 2002 Ford Explorers built in June 2002--a 4wd XLT (doner vehicle, 116k miles) and rwd (restored XLS, 177k miles). I pulled the (good) engine from the doner truck, replaced all timing chains/cassettes/guides/tensioners; and am about to install in the 2wd XLS. Both vehicles have the..
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- 5r55s5r55s transmission swapping parts
- Replies: 9
- Forum: Transmissions & Transfer Cases
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2005 Explorer 5R55S Loss of 2nd Gear
Hi,I have 2005 Explorer XLT 4.0 4WD with a 5R55S transmission that just lost 2nd gear and presumably 5th but haven't tested at that high speed. I am hoping you guys might be able to help me diagnose the issue. It has around 150k miles on it.Background and Symptoms:My wife was driving one..
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- 2nd gear 5r55 5r55s p0775 transmission
- Replies: 8
- Forum: Transmissions & Transfer Cases
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Do I need to change transmission fluid/filter?
I've got a 2006 Mountaineer, 4.0 AWD with the 5R55S tranny in it. It has 146k on it, and have owned the vehicle for almost two years, since 117k. The transmission shifts good and has no slips. I have no idea the previous maintenance done on the vehicle before I bought it, only what I've done..
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- 5r55s drain transmission filter transmission fluid
- Replies: 9
- Forum: Stock 2006 -2010 Explorers
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Will a 5R55E fit in a 2004 Explorer 4.0 4x4 currently with a 5R55S?
My 5R55S is destroyed with multiple issues and the 5R55E is a few hundred dollars less for a remanufactured unit with sleeved servo bores and all the important valve body upgrades and such. Does anyone know if it will bolt up the same to the 4.0 engine and transfer case as the 5R55S does? I've..
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- 5r55e 5r55s help transmision and transfer case
- Replies: 2
- Forum: Stock 2002 - 2005 Explorers
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Overdrive stopped working
Hi all,My explorer previously had some problems with engaging any gear and I fixed that with a new valve body. Now, a couple months later, I am having completely different/new problems. I've done tons of research and I've narrowed the problem down to two possible parts. I would really like some..
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- 5r55s explorer thud transmision help
- Replies: 0
- Forum: Stock 2002 - 2005 Explorers
Looking to buy a new trans - what is a 'tag ID/numbers?'
Hello,I'm finally ready to pull the trigger on a new trans. I can see, for example on rockauto, it will list the transmission for 4WD 5R55S. Then the description will add a TAG number or ID. What is this? I'm stumped.I have a 2008 Explorer Eddie Bauer, 4.0, A4WD, Build date in late..
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- 5r55s fried transmission new torque converter new transmission no reverse
- Replies: 6
- Forum: Stock 2006 -2010 Explorers
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2004 Explorer P0734 P0735 P0775 P0795 + parasitic battery drain
The above transpired after a boatload of mostly unnecessary mechanical repairs perpetrated by an independent shop under the guise of being 'required' repairs in order to pass PA State Inspection.None of these repairs involved the transmission. [EDIT] Ran fine for 1 week, then began..
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- 2004 5r55s p0734 p0735 p0775 p0795
- Replies: 9
- Forum: Stock 2002 - 2005 Explorers
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Procedure for Periodic Maintenance Transmission 5-Automatic(5R55S)
Hi guys,My Mercury Mountainer V6, AWD, 4.0 L., SOHC, Transmission 5-Automatic(5R55S) has been performing some strange in the automatic transmision.The efects are next:1.- High RPMs for transitioning from 1st to 2nd and from 2nd to 3rd speed. I push the accelerator in normal way (I dont..
- Thread
- 5r55s automatic transmission awd
- Replies: 2
- Forum: Modified 2002 - 2005 Explorers

5r55s Transmission Gearing
5r55s Transmission Mustang

The 5R55S transmission is now for sale at an unbelievably marked down price. The 5R55S is a 5-speed automatic transmission developed for Ford Lincoln and Mercury applications. This is a direct replacement for Mustang, Ranger, Mountaineer, Aviator and Explorer models. Ford manufactured this transmission between the years 1996 and 2011.

The 5R55S is a 5-speed automatic transmission developed for Ford Lincoln and Mercury applications. This is a direct replacement for Mustang, Ranger, Mountaineer, Aviator and Explorer models. Ford manufactured this transmission between the years 1996 and 2011. This Transmission comes with a performance built 5R55S torque converter. Part 1 of this Transmission Repair video on a 5R55S out of a Ford Explorer.https://www.youtube.com/watch?v=oRQmYZ8WopQhttps://www.youtube.com/watch?v=VgEB1mm. Level 10's PTS Animal transmission kit for the 5R55S tranny comes with just about everything needed to make the trans stand up to the most vicious of Three-Valves. Below is a complete list of. The Ford 5R55S transmission was built first in 2002. It was designed for two-wheel drive and four-wheel drive automobiles. Models like Jaguar, Mustang and Explorer have used this gearbox. One important fact is that there are several variations of the 5R series. To avoid confusion, a used 5R55S transmission for sale can be ordered here.

Automatic[edit]

1950–1965 Ford-O-Matic
1958–1979 Cruise-O-Matic
- 1968–1981 FMX—A hybrid of the FX and MX
- 1964–1981 C4
  - Most small-block V8 powered cars of the 1960s and 1970s in the North American market
- 1966–1996 C6
  - Most big-block V8 powered cars/trucks of the 1960s and 1970s in the North American market, All Fseries trucks without O/D, 80 thru 96 (97 For F250HD, F350, and F-Superduty models)
- 1974–1989 C3—Light-duty, smaller than the C4
- 1982–1986 C5—Improved C4, with a lock-up converter
- 1985–1994 A4LD—C3 with overdrive
- 1989–1996 E4OD—C6 with overdrive
- 1998–2004 4R100—Replaces the E4OD transmission
- 1995–2001 4R44E—Electronically controlled A4LD, light-duty
- 1995–1997 4R55E—Electronically controlled A4LD, heavy-duty
1997–Current 5R44/5R55 Series—5-speed 5R44E/5R55E/N/S/W based on the 4R44E/4R55E, Bordeaux Automatic Transmission Plant / Sharonville Ohio transmission plant
- Lincoln LS and Ford Thunderbird
- 2005–2010 Ford Mustang V6, GT^[1]
1980–1993 AOD—Ford's first 4-speed automatic transmission, based on the FMX but with a torque-splitting feature.
- 1992– AOD-E—Electronic AOD
  - 1993–2008 4R70W—Strengthened AOD-E with lower 1st and 2nd gear ratios
    - Application vary by year
  - 2003–2008 4R75E & 4R75W
    - Applications vary by year
      - 4.2L, 4.6L, & 5.4L (2v & 3v)
        Ford E-Series Van
      - Ford Mustang (GT and Mach 1)
AXOD family—Van Dyke Transmission
- 1986–1991 AXOD—4-speed transaxle
  - Ford Taurus, Lincoln Continental, Mercury Sable
- 1991–1993 AXOD-E—4-speed electronic transaxle
  - Ford Taurus, Lincoln Continental, Mercury Sable
- 1994–2003 AX4S—4-speed electronic transaxle
  - Ford Taurus, Ford Windstar, Lincoln Continental, Mercury Sable
- 1995–2007 AX4N/4F50N—4-speed electronic transaxle
  - Ford Freestar, Ford Taurus, Ford Windstar, Lincoln Continental, Mercury Monterey, Mercury Sable
1980–1994 FLC—3-speed hydraulic transaxle
- Ford Escort, Ford Tempo, Mercury Topaz, Ford Taurus, Mercury Sable, and Ford EXP
1989–1997 4EAT-G—4-speed Mazda design transaxle
1990–2003 F-4EAT—4-speed electronic transaxle—Mazda transaxle
- Ford Escort, Mercury Tracer
2000-2013 4F27E--Strengthened 4-speed F-4EAT
- Ford Focus, Ford Transit Connect
1994–2007 CD4E—4-speed transaxle, Batavia Transmission—Replaces the 4EAT-G transaxle
- Ford Contour, Ford Escape, Ford Mondeo, Ford Probe, Mercury Cougar, Mercury Mariner, Mercury Mystique, Mazda Tribute, Mazda 626.
2003.5–2010 5R110W – 5-speed automatic with Tow/Haul mode – Replaces 4R100 in Super Duty trucks
2011–2019 6R140 - 6-speed automatic with Tow/Haul mode - Replaces 5R110W in Super Duty trucks.^[2]
2020-present 10R140 - 10-speed automatic with Tow/Haul Mode - Replaces the 6R140 in Super Duty trucks.
2005–present Aisin AWF-21 6-speed
- Lincoln MKZ (2006-2010), Ford Fusion AWD (2007-2009), Land Rover LR2
2005–2007 ZF-Batavia CFT30—Continuously variable transaxle (CVT)
- Ford Freestyle, Ford Five Hundred, Mercury Montego
2005–2016 6R60 ZF 6-speed transmission
- Ford Falcon (BF, FG)
- Ford Territory (AWD)
2006-2009 Ford FNR5 transmission - A 5 speed automatic from Mazda, uses Ford FNR5 fluid
- Ford Fusion, Mercury Milan
2006–2007 6R60 6-speed transmission
- Ford Explorer, Mercury Mountaineer
2007–present 6R80 6-speed transmission
- Ford Expedition, Lincoln Navigator, 2009 Ford F-Series, 2011 Ford Mustang (V6 & GT), 2011 Ford Territory, 2011 Ford Ranger (Note: Global excluding USA)
2007–present 6F50—6-speed transaxle, Van Dyke Transmission
- Ford Edge, Ford Explorer, Lincoln MKX, Lincoln MKS, Ford Taurus, Ford Flex, Lincoln MKT, Lincoln MKZ (2010-Present)
2009–present 6F35—6-speed transaxle, Van Dyke Transmission
- Ford Escape, Ford Fusion, Ford Focus, Ford C-Max, Ford Kuga (in the Focus, C-Max and Kuga it is used with the 1.5 L4 Ecoboost. Also used with the ford escape in 2.0 L4 GTDI variant, and rated for vehicles up to 3.0L)^[3]
2009–present 6F55—6-speed transaxle (designed for use with the 3.5L Ecoboost V6)
- Lincoln MKS, Ford Flex, Ford Taurus SHO, Lincoln MKT, Ford Explorer Sport (2013-present)

2013-present HF35 Hybrid and Plug in Hybrid transaxle.
- Ford Fusion HEV, Ford Fusion Energi PHEV, Ford C-Max HEV, Ford C-Max Energi PHEV, Lincoln MKZ Hybrid.
2017- 10R80 Ford-GM 10-speed automatic transmission^[4]^[5]
- 2017 Ford F-150 (including Ford Raptor), Ford Expedition, Ford Mustang
2017–present 6F15—6-speed transaxle (designed for use with the 1.0 Ecoboost to replace the DPS6 Powershift transmission)
- Ford EcoSport, Ford Focus, Ford C-Max
2017-present 8F35 8-speed transverse transmission^[6] (1.5 and 2.0 EcoBoost, 2.0 Duratorq)
- Ford Edge, Ford Escape (2020),^[7]Ford Focus, Ford S-MAX, Ford Taurus
2017-present 8F40 8-speed transverse transmission (2.0 EcoBlue)
- Ford Edge, Ford Focus, Ford S-MAX, Ford Galaxy, Ford Mondeo, Ford Kuga, Ford Mustang
2018-present 8F24 8-speed transverse transmission (1.5 EcoBlue)
2018-present 8F57 8-speed transverse transmission for higher torque (2.7 V6 EcoBoost)
- Ford Edge ST, Ford Explorer, Ford Fusion, Ford Taurus

Dual-clutch automatics[edit]

These are dual-clutch transmissions.

2008-present 6DCT150 Ford Powershift 6-speed wet clutch