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Automatic Transaxle (AISIN Aw21): Specifications

MATERIAL SPECIFICATIONS

Item Specification Fill Capacity
Dye-Lite® ATF/Power Steering Fluid Leak Detection Dye
164-R3701 (Rotunda)
- -
Motorcraft® Premium Automatic Transmission Fluid
XT-8-QAW (US); CXT-8-LAW12 (Canada)
WSS-M2C924-A 7.0L (7.4 qt)
Multi-Purpose Grease
XG-4 and/or XL-5
ESB-M1C93-B -
Threadlock and Sealer
TA-25
WSK-M2G351-A5 -
Ultra Silicone Sealant
TA-29
- -
GENERAL SPECIFICATIONS

Item Specification
Fluid 
NOTE: The use of any transmission fluid other than what is recommended for this transaxle will cause transaxle damage. Refer to the Owner's Literature to determine the correct service interval for the specific vehicle.
NOTE: Do not use water-based cleaners to clean or flush the transmission fluid cooler tubes or transaxle damage will occur. Use only clean transmission fluid designated for this transaxle.
GENERAL SPECIFICATIONS

Item Specification
Torque Converter End Play 
New or rebuilt 0.355-1.04 mm (0.013-0.04 in)
Used 0.355-1.87 mm (0.013-0.073 in)
Transmission Fluid Filter 
Internal to the transmission -
GEAR AND SOLENOID OPERATION CHART

Gear SSC SSD SSE SSF SSA SSB
1st OFF ON ON ON OFF ON
1st Engine Braking OFF ON ON ON ON ON
2nd OFF ON ON OFF OFF OFF
3rd OFF ON OFF ON OFF OFF
4th OFF OFF ON ON OFF OFF
5th ON OFF OFF ON OFF OFF
6th ON OFF ON OFF OFF OFF
GEAR RATIO

Gear Ratio
1st 4.148 to 1
2nd 2.370 to 1
3rd 1.556 to 1
4th 1.155 to 1
5th 0.859 to 1
6th 0.686 to 1
Reverse 3.394 to 1
Final Drive 3.329 to 1
SHIFT SPEED

Manual D km/h mph
1-2 upshift 14-21 9-13
2-3 upshift 21-29 13-18
3-4 upshift 33-40 20-25
4-5 upshift 49-55 30-35
5-6 upshift 65-70 40-44
3-1 downshift 7-17 4-11
4-3 downshift 26-36 16-24
5-4 downshift 38-46 24-29
6-5 downshift 56-63 35-39
STALL SPEED

Engine RPM
3.5L 1, 878-2, 678
SOLENOID RESISTANCE READING

Component Readings (ohm) @ 20°C (68°F)
Shift Solenoid A (SSA) and Shift Solenoid B (SSB) 11-15 ohms
Shift Solenoid C (SSC), Shift Solenoid D (SSD), Shift Solenoid E (SSE), Shift Solenoid F (SSF), Line Pressure Control (LPC) and Torque Converter Clutch (TCC) 5.0-5.6 ohms
CLUTCH AND BRAKE PRESSURE CHART

Clutch/Band Range Pressure
C1 (Drive Clutch) Drive (1st-4th) 196-1, 372 kPa (28-199 psi)
C2 (Drive Clutch) Drive (4th-6th) 196-1, 372 kPa (28-199 psi)
C3 (Drive Clutch) Drive (3rd-5th) 196-1, 372 kPa (28-199 psi)
C3 (Drive Clutch) Reverse 392-1, 863 kPa (57-270 psi)
B1 (Brake Clutch) Drive (2nd and 6th) 196-1, 372 kPa (28-199 psi)
B2 (Brake Band) Low, manual 1st 588-1, 372 kPa (85-199 psi)
B2 (Brake Band) Reverse 392-1, 863 kPa (57-270 psi)
TORQUE SPECIFICATIONS

Description Nm lb-ft lb-in
Ground strap bolts 12 - 106
Main control valve body bolts (1) - - -
Power steering return line bolts 9 - 80
Manual control lever nut 12 - 106
Roll restrictor bracket bolts 90 66 -
Selector lever cable bracket bolts 12 - 106
Selector lever cable bracket nut 12 - 106
Stabilizer bar link nuts 40 30 -
Steering gear mounting bolts 107 79 -
Subframe bracket-to-body bolts 103 76 -
Subframe nuts 150 111 -
Tie rod end nuts 48 35 -
Torque converter nuts 36 27 -
Transaxle insulator-to-frame bolts (2) 62 46 -
Transaxle support insulator bracket bolt 80 59 -
Transaxle support insulator bracket nuts 90 66 -
Transaxle support insulator bracket through bolt 150 111 -
Transaxle-to-engine bolts 48 35 -
Transmission Control Module (TCM) 24 18 -
Transmission fluid cooler tubes 10 - 89
Transmission fluid drain plug 47 35 -
Transmission fluid fill plug 39 29 -
Transmission fluid pan bolts 13 - 115
Transmission Fluid Temperature (TFT) sensor 10 - 89
Turbine Shaft Speed (TSS) sensor 12 - 106
(1) Refer to the procedure in this information.
(2) When reinstalling fasteners originally coated with threadlock, clean the fasteners with a wire brush prior to applying new threadlock. Apply threadlock and sealer to threads of the bolt.