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Home / Transmissions / Ford / 6F55
Ford Source-verified model

Ford 6F55 Transmission

Speeds 6
Drive FWD/AWD
Type Automatic
Layout Transverse
ATF type MERCON LV
ATF capacity (L) 11.0
ATF change (L) 4.3-6.2
Weight 100 kg (220 lb)
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6F55
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Support & Market Presence Index

How widely this transmission is used, documented and supported across the Go4Trans graph.

7resources
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Exploded diagram & parts

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076 076 · No. 1 2 2 · No. 2 293 293 · No. 3 291 291 · No. 4 786 786 · No. 5 6 6 · No. 6 7 7 · No. 7 8 8 · No. 8 9 9 · No. 9 10 10 · No. 10 077 077 · No. 11 493 493 · No. 12 991-2 991-2 · No. 13 699 699 · No. 14 992 992 · No. 15 072 072 · No. 16 17 17 · No. 17 994 994 · No. 18 994-6 994-6 · No. 19 494 494 · No. 20 410 410 · No. 21 070 070 · No. 22 750 750 · No. 23 689 689 · No. 24 697 697 · No. 25 280 280 · No. 26 281 281 · No. 27 899 899 · No. 28 712 712 · No. 29 730 730 · No. 30 690 690 · No. 31 274 274 · No. 32 273 273 · No. 33 689 689 · No. 34 371 371 · No. 35 740 +3 740, 016, 760, 420 · No. 36 381 381 · No. 37 999 999 · No. 38 383 383 · No. 39 995-6 995-6 · No. 40 995-2 995-2 · No. 41 995-1 995-1 · No. 42 995-3 995-3 · No. 43 436 436 · No. 44 210 210 · No. 45 529 529 · No. 46 032 032 · No. 47 898 898 · No. 48 278 278 · No. 49 279 279 · No. 50 710 710 · No. 51 279B 279B · No. 52 279 279 · No. 53 278 278 · No. 54 795 795 · No. 55 071 071 · No. 56 260 260 · No. 57 062 062 · No. 58 678 678 · No. 59 062 062 · No. 60 251 251 · No. 61 347 347 · No. 62 63 63 · No. 63 205 205 · No. 64 525 525 · No. 65 526 526 · No. 66 783 783 · No. 67 766/301 766, 301 · No. 68 379 379 · No. 69 010 010 · No. 70 211 211 · No. 71 527 527 · No. 72 671 671 · No. 73 520 520 · No. 74 209 209 · No. 75 76 76 · No. 76 485 485 · No. 77 510 510 · No. 78 313 313 · No. 79 80 80 · No. 80 81 81 · No. 81 534 534 · No. 82 538 538 · No. 83 533 533 · No. 84 532/533 532, 533 · No. 85 86 86 · No. 86 535 535 · No. 87 538 538 · No. 88 208 208 · No. 89 544 544 · No. 90 528 528 · No. 91 778 778 · No. 92 311 311 · No. 93 788 788 · No. 94 962 962 · No. 95 972 972 · No. 96 873 873 · No. 97 125 125 · No. 98 124/104 124, 104 · No. 99 644 644 · No. 100 885 885 · No. 101 154 154 · No. 102 134/114 134, 114 · No. 103 155 155 · No. 104 140 140 · No. 105 120/100 120, 100 · No. 106 121 121 · No. 107 626 626 · No. 108 060 060 · No. 109 622 622 · No. 110 584 584 · No. 111 888 888 · No. 112 596 596 · No. 113 889 889 · No. 114 238 238 · No. 115 241 241 · No. 116 612 612 · No. 117 594 594 · No. 118 582 582 · No. 119 882 882 · No. 120 234 234 · No. 121 233 233 · No. 122 592 592 · No. 123 890 890 · No. 124 586 586 · No. 125 624 624 · No. 126 051 051 · No. 127 236 236 · No. 128 867 867 · No. 129 148 148 · No. 130 128/108 128, 108 · No. 131 050 050 · No. 132 574 574 · No. 133 050 050 · No. 134 878 878 · No. 135 146 146 · No. 136 126/106 126, 106 · No. 137 127 127 · No. 138 235 235 · No. 139 877 877 · No. 140 984 984 · No. 141 974 974 · No. 142 964 964 · No. 143 335/335-1 335, 335-1 · No. 144 334 334 · No. 145 550 550 · No. 146 048 048 · No. 147 232 232 · No. 148 337-1 337-1 · No. 149 337 337 · No. 150 336 336 · No. 151 975 975 · No. 152 965 965 · No. 153 845 845 · No. 154 879 879 · No. 155 886 886 · No. 156 977 977 · No. 157 967 967 · No. 158 862 862 · No. 159 970 970 · No. 160 960 960 · No. 161 790 790 · No. 162 179 179 · No. 163 634 634 · No. 164 304/759 304, 759 · No. 165 780 780 · No. 166 438 438 · No. 167

Parts categories

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Kits
Kits
19 parts
Torque converter
Torque converter
1 part
Valve body & solenoids
Valve body & solenoids
3 parts
Electrical
Electrical
5 parts
Filters & pans
Filters & pans
2 parts
Seals & gaskets
Seals & gaskets
24 parts
Bushings, bearings & thrust
Bushings, bearings & thrust
29 parts
Pump
Pump
4 parts
Friction & steel
Friction & steel
30 parts
Planetary & hard parts
Planetary & hard parts
28 parts
Hardware & other
Hardware & other
35 parts
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Vehicle fitment explorer

Confirmed vehicle applications. Every row is drawn from our source-verified fitment database.

17 applications · 3 makes · 2007–2016 Ford 9 · Lincoln 7 · Mercury 1

Make Model Year Drive Engine
Ford Edge 2015-2016 6 Spd F/4WD L4 2.0L V6 2.7L
Ford Edge 2007-2011 V6 3.5L
Ford Explorer 2011 V6 3.5L
Ford Explorer 2010-2016 6 Spd FWD/4X4 V6 3.5L 3.7L
Ford Flex 2009-2013 V6 3.5, 3.7L
Ford Flex 2008-2014 6 Spd F/AWD V6 3.5L
Ford Fusion 2016 6 Spd F/4WD V6 2.7L
Ford Taurus X 2008-2013 V6 3.5L
Ford TAURUS/TAURUS X 2007-2012 6 Spd F/AWD V6 3.5L
Lincoln MKS 2009-2012 6 Spd F/AWD V6 3.5/3.7L
Lincoln MKS 2008-2013 V6 3.5, 3.7L
Lincoln MKT 2010-2013 V6 3.5, 3.7L
Lincoln MKT 2009-2012 6 Spd F/AWD V6 3.5L
Lincoln MKX 2015-2016 6 Spd F/4WD V6 2.7/3.7L
Lincoln MKX 2007-2013 V6 3.5, 3.7L
Lincoln MKZ 2016 6 Spd F/4WD V6 2.9L
Mercury Sable 2008-2009 V6 3.5L

Other and alternative codes of this transmission

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Common problems & symptoms

Problems and symptoms reported for this transmission, compiled from repair sources. Not a complete list.

!
Orifice Restrictor Cup Plug (forward clutch)
A broken orifice restrictor cup plug in the forward clutch circuit, located below the forward clutch feed seal under the main control valve body, causes DTC P0751, harsh or no forward engagements, perceived slip on acceleration, and slipping/harsh 6-4 or 5-4 downshifts; requires case replacement.
!
Pressure Regulator Valve wear
Bore wear at the main pressure regulator valve causes erratic line pressure, poor shift quality, burnt clutches, low converter/lube flow, overheating, and TCC apply/release concerns.
?
Sluggish takeoff with harsh bump
Vehicle shows hesitation or sluggish acceleration from 0-8 km/h followed by a harsh bump, or a slip-on-takeoff feel followed by a bump, correctable with a valve body separator plate/checkball change and recalibration.
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Sources & Contribution

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Every claim on this page is backed by a structured source record — including community contributions, each with its own reference.

Type
Title
Author
Link
manual
Capacities and Specifications - 3.5L Ecoboost
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other
TSB 11-12-10: 6F50/6F55 Transmission - Sluggish Acceleration/Harsh Bump on Takeoff
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other
6F50/6F55 Transmission - Slip/Neutral Out, 5th Gear Start, Backup Camera on in Drive (TSB…
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other
TSB 10-9-9: 6F50/6F55 Transmission - DTC P0751, Harsh/No Forward Engagements
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manual
Ford 6F50, 6F55 Zip Kit Installation & Testing Booklet
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link
Ford 6F50, 6F55 Vacuum Test Guide
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link
Ford 6F50, 6F55 Valve Body Layout
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✓ Reviewed by our editorial team before going live
✓ Accepted contributions are credited in the Sources list
📋 Alias or code variant
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