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Automatic Transaxle - 6F50/6F55: Specifications

MATERIAL SPECIFICATIONS

Item Specification Fill Capacity
Dye-Lite® ATF/Power Steering Fluid Leak Detection Dye
164-R3701 (Rotunda)		 - -
Motorcraft® MERCON® LV Automatic Transmission Fluid
XT-10-QLVC		 MERCON® LV 10.3L (10.9 qt) (1)
Motorcraft® MERCON® LV Automatic Transmission Fluid
XT-10-QLVC		 MERCON® LV 11.0L (11.6 qt) (2)
Multi-Purpose Grease
Motorcraft® XL-5 (aerosol) and/or CRC® SL3151		 ESB-M1C93-B -
Threadlock and Sealer
TA-25		 WSK-M2G351-A5 -
Ultra Silicone Sealant
TA-29		 - -
(1) 6F50 transmission.
(2) 6F55 transmission.
GENERAL SPECIFICATIONS

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

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

CB = Clutch brake
NC = Normally closed
NH = Normally high
NL = Normally low
CLUTCH APPLICATION CHART

Gear Direct (3, 5, R) Overdrive (4, 5, 6) Forward (1, 2, 3, 4) Low/Reverse (L, R) Inter-mediate (2, 6) One-Way
1st     X X   X
2nd     X   X O/R
3rd X   X     O/R
4th   X X     O/R
5th X X       O/R
6th   X     X O/R
Reverse X     X    
O/R = Overrunning
LINE PRESSURE CHART

Gear Line
Pressures at Idle (1)
P 372-413 kPa (54-60 psi)
R 689-724 kPa (100-105 psi)
N 372-413 kPa (54-60 psi)
D 579-600 kPa (84-87 psi)
L 579-600 kPa (84-87 psi)
Pressure at Wide Open Throttle (WOT) Stall (1)
P 372-413 kPa (54-60 psi)
R 1, 724-2, 068 kPa (250-300 psi)
N 372-413 kPa (54-60 psi)
D 1, 655-1, 724 kPa (240-250 psi)
L 1, 655-1, 724 kPa (240-250 psi)
(1) All pressures are approximate.
STALL SPEED CHART

Engine/Transaxle Stall Speed
3.5L/6F50 2, 100-2, 600
3.5L GTDI/6F55 2, 200-2, 500
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 BEARING PRELOAD SHIM SELECTION CHART

Part Number Shim Thickness
7T4Z-4067-A 0.55 mm (0.022 in)
7T4Z-4067-B 0.575 mm (0.023 in)
7T4Z-4067-C 0.6 mm (0.024 in)
7T4Z-4067-D 0.625 mm (0.025 in)
7T4Z-4067-E 0.65 mm (0.026 in)
7T4Z-4067-F 0.675 mm (0.027 in)
7T4Z-4067-G 0.7 mm (0.028 in)
7T4Z-4067-H 0.725 mm (0.029 in)
7T4Z-4067-J 0.75 mm (0.030 in)
7T4Z-4067-K 0.775 mm (0.031 in)
7T4Z-4067-L 0.8 mm (0.032 in)
7T4Z-4067-M 0.825 mm (0.033 in)
7T4Z-4067-N 0.85 mm (0.034 in)
7T4Z-4067-P 0.875 mm (0.034 in)
7T4Z-4067-Q 0.9 mm (0.035 in)
7T4Z-4067-R 0.925 mm (0.036 in)
7T4Z-4067-S 0.95 mm (0.037 in)
7T4Z-4067-T 0.975 mm (0.038 in)
7T4Z-4067-U 1.0 mm (0.039 in)
7T4Z-4067-V 1.025 mm (0.040 in)
7T4Z-4067-W 1.05 mm (0.041 in)
TRANSFER GEAR BEARING PRELOAD SHIM SELECTION CHART

Part Number Shim Thickness
7T4Z-7H367-A 0.55 mm (0.022 in)
7T4Z-7H367-B 0.575 mm (0.023 in)
7T4Z-7H367-C 0.6 mm (0.024 in)
7T4Z-7H367-D 0.625 mm (0.025 in)
7T4Z-7H367-E 0.65 mm (0.026 in)
7T4Z-7H367-F 0.675 mm (0.027 in)
7T4Z-7H367-G 0.7 mm (0.028 in)
7T4Z-7H367-H 0.725 mm (0.029 in)
7T4Z-7H367-J 0.75 mm (0.030 in)
7T4Z-7H367-K 0.775 mm (0.031 in)
7T4Z-7H367-L 0.8 mm (0.032 in)
7T4Z-7H367-M 0.825 mm (0.033 in)
7T4Z-7H367-N 0.85 mm (0.034 in)
7T4Z-7H367-P 0.875 mm (0.034 in)
7T4Z-7H367-Q 0.9 mm (0.035 in)
7T4Z-7H367-R 0.925 mm (0.036 in)
7T4Z-7H367-S 0.95 mm (0.037 in)
7T4Z-7H367-T 0.975 mm (0.038 in)
7T4Z-7H367-U 1.0 mm (0.039 in)
7T4Z-7H367-V 1.025 mm (0.040 in)
7T4Z-7H367-W 1.05 mm (0.041 in)
TORQUE SPECIFICATIONS

Description Nm lb-ft lb-in
Air Cleaner (ACL) assembly bracket bolts 11 - 97
ACL outlet pipe clamp 5 - 44
Auxiliary coolant pump nuts 20 - 177
Battery tray bolt 9 - 80
Battery tray bracket bolts 9 - 80
Battery tray nut 9 - 80
Catalytic converter nuts 40 30 -
Catalytic converter support bracket bolts 20 - 177
Charge Air Cooler (CAC) hose clamps 5 - 44
CAC hose nut 10 - 89
Cover assembly-to-transaxle 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
Exhaust Y-pipe nuts 40 30 -
Line pressure tap plug 9 - 80
Main control cover bolts(1) - - -
Manual control lever nut(1) - - -
Oil supply tube bracket 8 - 71
Output Shaft Speed (OSS) sensor bolt 12 - 106
Park pawl pin retainer bolts 12 - 106
Power steering rack nuts 117 86 -
Power steering tube bracket bolts 9 - 80
Power Transfer Unit (PTU) bolts 90 66 -
PTU support bracket bolts 70 52 -
Pump and filter assembly-to-torque converter housing bolts 12 - 106
Rear driveshaft-to-PTU flange bolts 70 52 -
Roll restrictor bolts 103 76 -
Roll restrictor bracket bolts 90 66 -
Selector lever cable bracket bolts 12 - 106
Shim gauge bolts 24 18 -
Solenoid body bolts(1) - - -
Stabilizer bar bolts 48 35 -
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 -
Subframe bolts 150 111 -
Subframe support bracket bolts 55 41 -
Thermal bypass valve nuts 9 - 80
Torque converter bolts(1) - - -
Torque converter housing bolts 48 35 -
Torque converter housing-to-transaxle case bolts(1) - - -
Transaxle support insulator bolts 55 41 -
Transaxle support insulator bracket bolt 80 59 -
Transaxle support insulator bracket nuts 63 46 -
Transaxle support insulator through bolt 175 129 -
Transmission fluid cooler tube assembly nuts 9 - 80
Transmission fluid cooler tube fitting 25 18 -
Transmission fluid cooler tube-to-transaxle case bolts 9 - 80
Transmission fluid drain plug 9 - 80
Transmission fluid reservoir bolts 12 - 106
Transmission Range (TR) sensor detent spring bolt(1) - - -
Turbine Shaft Speed (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 information.
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