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Automatic Transaxle - 6F50-6F55: Specifications

MATERIAL SPECIFICATION

Item Specification Fill Capacity
Motorcraft® MERCON® LV Automatic
Transmission Fluid
XT-10-QLVC (US); CXT-10-LV12 (Canada)		 MERCON® LV 10.3L (10.9 qt) (1)
Motorcraft® MERCON® LV Automatic
Transmission Fluid
XT-10-QLVC (US); CXT-10-LV12 (Canada)		 MERCON® LV 11.0L (11.6 qt) (2)
(1) 6F50 transmission.
(2) 6F55 transmission.
TORQUE SPECIFICATIONS

Description Nm lb-ft lb-in
ACL assembly bracket bolts 11 - 97
ACL outlet pipe clamp 5 - 44
Auxiliary coolant pump nuts 20 - 177
CAC hose clamps 5 - 44
CAC hose nut 10 - 89
Cover assembly-to-transmission case bolts (1) - - -
Differential carrier baffle bolts 12 - 106
Differential ring gear bolts(1) - - -
Engine cover mounting stud 6 - 53
Exhaust manifold heat shield bolts 15 - 133
Line pressure tap plug 9 - 80
Main control cover bolts(1) - - -
Manual control lever nut(1) - - -
Oil supply tube bracket 8 - 71
OSS sensor bolt 12 - 106
Park pawl pin retainer bolts 12 - 106
Pump and filter assembly-to-torque converter housing bolts 12 - 106
Roll restrictor bolts(1) - - -
Roll restrictor bracket bolts(1) - - -
Roll restrictor heat shield nuts 9 - 80
Selector lever cable bracket bolts 12 - 106
Shim gauge bolts 24 18 -
Solenoid body bolts(1) - - -
Starter battery terminal nut 12 - 106
Starter bolt 26 19 -
Starter solenoid terminal nut 6 - 53
Starter studbolt 26 19 -
Stator support feed tube bolts (hex head) 12 - 106
Stator support feed tube bolts (torx head) 7 - 62
Stator support-to-torque converter housing bolts(1) - - -
Strut tower brace nuts 30 22 -
Thermal bypass valve nuts 9 - 80
Torque converter bolts(1) - - -
Torque converter housing bolts 48 35 -
Torque converter housing-to-transmission case bolts(1) - - -
Transmission support insulator-to-frame bolts(1) - - -
Transmission support insulator-to-transmission bolts(1) - - -
Transmission support insulator bracket bolt(1) - - -
Transmission support insulator-to-transmission nut(1) - - -
Transmission support insulator bracket nuts(1) - - -
Transmission support insulator through bolt(1) - - -
Transmission fluid cooler tube assembly nuts 9 - 80
Transmission fluid cooler tube fitting 25 18 -
Transmission fluid cooler tube-to-transmission case bolts(1) - - -
Transmission fluid drain plug 9 - 80
Transmission fluid reservoir bolts 12 - 106
TR sensor detent spring bolt(1) - - -
TSS sensor bolt 12 - 106
Turbocharger inlet hose clamp 5 - 44
Valve body assembly bolts 12 - 106
Valve body-to-case bolts(1) - - -
(1) Refer to the procedure in this article.
GENERAL SPECIFICATIONS

Item Specification
6F50/6F55 Transmission Weight 100 kg (220 lb)
SOLENOID OPERATION CHART

Base Selector Lever Position PCM Commanded Gear SSA NL (1, 2, 3, 4) SSB NH (3, 5, R) SSC NL (2, 6) SSD NH (L, R 4, 5, 6) SSE (On/Off) NC TCC NL
P P Off On Off Off On Off
R R Off Off Off Off On Off
N N Off On Off Off On Off
D 1 On On Off Off (1) On (2) Off
  2 On On On On Off Off
  3 On Off Off On Off Off
  4 On On Off Off Off On/Off
  5 Off Off Off Off Off On/Off
  6 Off On On Off Off On/Off
(1) Turns on above 8 km/h (5 mph).
(2) Turns off above 8 km/h (5 mph).

NC = Normally closed
NH = Normally high
NL = Normally low
PRESSURE CHART

Gear Line Pressure at Idle KPa (psi) Line Pressure at WOT Stall KPa (psi)
Minimum Maximum Minimum Maximum
P 344.7 kPa (50 psi) 448.2 kPa (65 psi) - -
R 551.6 kPa (80 psi) 689.5 kPa (100 psi) 1, 689.2 kPa (245 psi) 2, 068.4 kPa (300 psi)
N 344.7 kPa (50 psi) 448.2 kPa (65 psi) - -
D 482.6 kPa (70 psi) 620.5 kPa (90 psi) 1, 689.2 kPa (245 psi) 2, 068.4 kPa (300 psi)
CLUTCH APPLICATION CHART

Gear Forward (1, 2, 3, 4) Direct (3, 5, R) Intermediate (2, 6) Low/Reverse (1, R) Overdrive (4, 5, 6) Low - OWC
Park       H    
Reverse   D   H    
Neutral       H    
1st Gear D H     H   H
2nd Gear D H   H      
3rd Gear D H D        
4th Gear D H       D  
5th Gear D   D     D  
6th Gear D     H   D  
1st Gear Manual H     H    
Planetary Component Front Sun Rear Sun Rear Sun Rear Carrier/Center Ring Rear Carrier/Center Ring Rear Carrier/Center Ring
H = Holding
D = Driven
STALL SPEED CHART

Engine/Transmission Stall Speed
3.5LTi-VCT/6F50 1, 900-2, 500
3.5L GTDI/6F55 2, 200-2, 800
GEAR RATIO CHART

Gear Ratio
1st/low 4.484:1
2nd 2.872:1
3rd 1.842:1
4th 1.414:1
5th 1:1
6th 0.742:1
Reverse 2.882:1
SHIFT SPEEDS

Throttle Position Range Shift KM/H MPH
Light D 1-2 14-19 9-12
Throttle D 2-3 24-31 15-19
D 3-4 32-40 20-25
D 4-5 45-56 28-35
D 5-6 63-80 39-50
Medium D 1-2 37-47 23-29
Throttle D 2-3 58-71 36-44
D 3-4 74-93 46-58
D 4-5 108-135 67-84
D 5-6 169-211 105-131
Heavy D 1-2 55-69 34-43
Throttle D 2-3 84-105 52-65
D 3-4 127-158 79-98
D 4-5 167-208 104-129
D 5-6 179-222 111-138
DIFFERENTIAL AND TRANSFER GEAR BEARING PRELOAD SHIM SELECTION CHART

Differential Shim Part Number Transfer Gear Shim Part Number Shim Thickness
7T4Z-4067-A 7T4Z-7H367-A 0.55 mm (0.0217 in)
7T47-4067-B 7T4Z-7H367-B 0.575 mm (0.0226 in)
7T47-4067-C 7T4Z-7H367-C 0.6 mm (0.0236 in)
7T47-4067-D 7T4Z-7H367-D 0.625 mm (0.0246 in)
7T47-4067-E 7T4Z-7H367-E 0.65 mm (0.0256 in)
7T47-4067-F 7T4Z-7H367-F 0.675 mm (0.0266 in)
7T47-4067-G 7T4Z-7H367-G 0.7 mm (0.0276 in)
7T47-4067-H 7T4Z-7H367-H 0.725 mm (0.0285 in)
7T47-4067-J 7T4Z-7H367-J 0.75 mm (0.0295 in)
7T47-4067-K 7T4Z-7H367-K 0.775 mm (0.0305 in)
7T47-4067-L 7T4Z-7H367-L 0.8 mm (0.0315 in)
7T47-4067-M 7T4Z-7H367-M 0.825 mm (0.0325 in)
7T47-4067-N 7T4Z-7H367-N 0.85 mm (0.0335 in)
7T47-4067-P 7T4Z-7H367-P 0.875 mm (0.0344 in)
7T47-4067-Q 7T4Z-7H367-Q 0.9 mm (0.0354 in)
7T47-4067-R 7T4Z-7H367-R 0.925 mm (0.0364 in)
7T47-4067-S 7T4Z-7H367-S 0.95 mm (0.0374 in)
7T47-4067-T 7T4Z-7H367-T 0.975 mm (0.0384 in)
7T47-4067-U 7T4Z-7H367-U 1 mm (0.0394 in)
7T47-4067-V 7T4Z-7H367-V 1.025 mm (0.0404 in)
7T47-4067-W 7T4Z-7H367-W 1.05 mm (0.0413 in)
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