Home/Mazda/3/Mazda 3 BK (2003-2006)/Repair manual/Automatic Trans/Automatic Transaxle - Overhaul [FN4A-EL]: Specifications
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Automatic Transaxle - Overhaul [FN4A-EL]: Specifications Mazda 3 BK

FLUID CAPACITIES

ApplicationRefill - Qts. (L)Dry Fill - Qts. (L)
Mazda3N/A7.6 (7.2)
Mazda5N/A7.6 (7.2)
Mazda6N/A7.6 (7.2)
ProtegeN/A7.6 (7.2)

TRANSAXLE FLUID CAPACITIES

TORQUE CONVERTER

Torque converter is a sealed unit and cannot be disassembled for service. Inspect for damage and cracks. Replace torque converter if defective. Remove any rust from pilot hub and boss of converter. Flush torque converter. After converter is removed from cleaner, thoroughly drain solvent through hub. Add about 0.53 qt. (0.5L) clean ATF to converter. Agitate fluid by hand. Drain ATF from converter.

TORQUE SPECIFICATIONS

ApplicationFt. Lbs. (N.m)
Brake Band Strut28-41 (38-56)
Converter Housing Bolt14-18 (19-25)
End Cover Bolt14-18 (19-25)
Manual Shaft Nut24-33 (32-46)
Oil Pressure Switch13-16 (17-22)
Parking Rod Lever Assembly Bolt14-18 (19-25)
Ring Gear Bolt112-130 (152-176)
INCH Lbs. (N.m)
Actuator Plate Bolt96-121 (11-14)
Band Servo Retainer Bolts97-124 (11-14)
Band Strut Bolt28-38 (37-52)
Brake Band Servo Cover Bolt97-124 (11-14)
Dipstick Tube Bolt70-95 (8-11)
Funnel Bearing Race Retainer Bolt96-121 (11-14)
Input/Turbine Speed Sensor70-96 (17-22)
Manual Shaft (Small Nut)70-95 (8-11)
Oil Filter Bolt70-95 (8-11)
Oil Pan Bolt53-70 (6-8)
Oil Pump Bolt70-97 (8-10)
Parking Pawl Bolt96-121 (11-14)
Primary Gear Bearing Race97-124 (11-14)
Secondary Gear Ring Bolt80-115 (9-13)
Shift Solenoid Bracket Bolt70-96 (8-11)
Sensor Bolt70-96 (8-11)
Solenoid Valves-To-Control Valve Body Bolt70-96 (8-11)
Transmission Range Switch Bolt70-96 (8-11)
Valve Body Bolt70-96 (8-11)
Valve Body Ground70-96 (8-11)
Valve Body-To-Case Bolt97-130 (11-15)
Vehicle Speed Sensor70-96 (8-11)

TORQUE SPECIFICATIONS

TRANSAXLE SPECIFICATIONS

ApplicationIn. (mm)
2-4 Brake Band
2-4 Brake Drum Bushing Inner Diameter
Standard2.16555-2.16653 (55.005-55.030)
Maximum2.16732 (55.050)
Stroke Adjust Band Strut1.417 (36.0), 1.437 (36.5), 1.457 (37.0), 1.476 (37.5), 1.496 (38.0), 1.516 (38.5), 1.535 (39.0)
3-4 Clutch
Bushing Inside Diameter
Standard0.70866-0.70936 (18.000-18.018)
Minimum0.93075 (18.038)
No. Of Drive/Driven Plates(1)
Drive Plate Thickness (FN11 19370 - Mazda3)
Standard0.063 (1.60)
Minimum0.057 (1.45)
Drive Plate Thickness (FNE1 19370 - Mazda6)
Standard0.100 (2.55)
Minimum0.094 (2.40)
3-4 Clutch Clearance
Mazda30.039-0.051 (1.00-1.30)
Mazda60.043-0.055 (1.10-1.40)
Snap Ring Size0.047 (1.2), 0.055 (1.4), 0.063 (1.6), 0.071 (1.8), 0.079 (2.0), 0.087 (2.2)
Differential
Backlash (Side Gear & Pinion)
Standard0.002-0.005 (0.05-0.15)
Maximum0.020 (0.5)
Bearing Preload(2)
Preload Adjust Shims(3) 0.020 (0.50)-0.061 (1.55)
Distance A (Between End Of Torque Converter & Face Of Converter Housing)
Mazda31.24 (31.4)
Mazda6 & Protege0.84 (21.4)
End Cover
Bushing Inside Diameter
Standard0.92913-0.92995 (23.600-23.621)
Maximum.931 (23.641)
End Play Adjust Race (Total End Play)0.071 (1.8), 0.079 (2.0), 0.087 (2.2), 0.94 (2.4), 0.102 (2.6)
Forward Clutch
Drive Plate Thickness
Standard0.063 (1.60)
Minimum0.057 (1.45)
Forward Clutch Clearance0.059-0.071 (1.50-1.80)
Snap Ring Size0.047 (1.2), 0.055 (1.4), 0.063 (1.6), 0.071 (1.8), 0.079 (2.0), 0.087 (2.2)
Number Of Drive/Driven Plates(4)
Front Sun Gear
Bushing Inner Diameter
Standard0.70866-0.70936 (18.000-18.018)
Maximum0.710 (18.04)
Low-Reverse Brake.087-.098 (2.20-2.50)
Drive Plate Thickness
Standard0.063 (1.60)
Minimum0.057 (1.45)
Low-Reverse Clearance0.087-0.098 (2.20-2.250)
Snap Ring Size0.071 (1.8), 0.079 (2.0), 0.087 (2.2), 0.094 (2.4), 0.102 (2.6), 0.110 (2.8)
Number Of Drive/Driven Plates(5)
Oil Pump
Rotor-To-Housing Clearance
Standard0.0015-0.0019 (0.038-0.048)
Maximum0.0023 (0.06)
Inner-To-Outer Rotor Clearance
Standard0.0008-0.0051 (0.020-0.130)
Maximum0.14 (0.0055)
Bushing Inner Diameter (Torque Converter Side)
Standard1.57539-1.57637 (40.015-40.040)
Maximum1.57716 (40.060)
Bushing Inner Diameter (Forward Clutch Side)
Standard0.74803-0.74885 (19.000-19.021)
Maximum0.74964 (19.041)
Planetary Pinion Gear Clearance0.008-0.028 (0.20-0.70)
Primary Gear Bearing Preload(6)
Rear Sun Gear
Bushing Inner Diameter
Standard1.17717-1.17799 (29.900-29.921)
Maximum1.17878 (29.941)
Reverse Clutch
Drive Plate Thickness
Standard0.063 (1.60)
Minimum0.057 (1.45)
Reverse Clutch Clearance0.039-0.051 (1.00-1.30)
Snap Ring Size0.047 (1.2), 0.055 (1.4), 0.063 (1.6), 0.071 (1.8), 0.079 (2.0), 0.087 (2.2)
Number Of Drive/Driven Plates(7)
Secondary Gear
Bearing Preload(8)
Preload Adjust Shims(2) 0.020 (0.50)-0.051 (1.30)
(1) 3/3 (2) 12-20 INCH Lbs. (1.4-2.3 N.m) (3) available in 0.05" (0.002 mm) increments. (4) 4/4 (5) 5/5 (6) 2.21-5.31 INCH Lbs. (0.25-0.60 N.m). (7) 2/2 (8) 12-21 INCH Lbs. (1.5-2.4 N.m).
(1)3/3
(2)12-20 INCH Lbs. (1.4-2.3 N.m)
(3)Available in 0.05" (0.002 mm) increments.
(4)4/4
(5)5/5
(6)2.21-5.31 INCH Lbs. (0.25-0.60 N.m).
(7)2/2
(8)12-21 INCH Lbs. (1.5-2.4 N.m).

TRANSAXLE SPECIFICATIONS

ApplicationOuter Diameter - In. (mm)Free Length- In. (mm)No. Of CoilsWire Diameter - In. (mm)
Accumulators
Servo Apply Accumulator Small Spring0.512 (13.0)2.669 (67.8)17.10.087 (2.2)
Servo Apply Accumulator Large Spring0.827 (21.0)2.669 (67.8)10.30.138 (3.5)
Forward Accumulator Small Spring0.614 (15.6)1.9297.70.094 (2.3)
Forward Accumulator Large Spring0.827 (21.0)2.953 (75.0)10.70.091 (2.3)
Pressure Modifier Accumulator Spring0.433 (11.0)0.096 (23.0)6.60.059 (1.5)
Forward ClutchN/A0.669 (17.0)N/AN/A
3-4 ClutchN/A0.669 (17.0)N/AN/A
Band Servo1.340 (34.0)1.430 (36.4)2.50.160 (4.0)
Control Valve Body(1)
(1) For valve body spring specifications, see VALVE BODY SPRING SPECIFICATIONS table under VALVE BODY ASSEMBLY.
(1)For valve body spring specifications, see VALVE BODY SPRING SPECIFICATIONS table under VALVE BODY ASSEMBLY.

SPRING IDENTIFICATION