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Transaxle Specifications

TRANSAXLE SPECIFICATIONS

Application Specification
Bearing Preload
Differential
Torque Wrench 27-35 INCH Lbs. (3.0-3.9 N.m)
Pull Scale 6.6-8.8 Lbs. (3.0-4.0 kg)
Output Gear
Torque Wrench 7.9-17.7 INCH Lbs. (0.9-2.0 N.m)
Pull Scale 2.0-4.6 Lbs. (0.9-2.1 kg)
Brake Snap Ring-To-Retaining Plate Clearance, Low-Reverse Brake .059-.071" (1.50-1.80 mm)
Clutch Drive Plate Minimum Thickness (All Clutches) .055" (1.40 mm)
Clutch Snap Ring-To-Retaining Plate Clearance
Coasting Clutch .039-.047" (1.00-1.20 mm)
Forward Clutch .039-.047" (1.00-1.20 mm)
Reverse Clutch .059-.071" (1.50-1.80 mm)
3-4 Clutch .051-.059" (1.30-1.50 mm)
Oil Pump
Rotor End Clearance .0008-.0016" (.020-.040 mm)
Rotor Side Clearance .0016-.0045" (.040-.115 mm)
Seal Ring Inner Diameter 2.026" (51.45 mm)
Planetary Pinion Gear Clearance .008-.028" (.20-.70 mm)
Torque Converter Bushing Inside Diameter (Maximum) 2.088" (53.03 mm)
TRANSAXLE TECHNICAL DATA (Cont.)

Item Specification
Transaxle Type GF4A-EL
Gear Ratio
1GR 2.800
2GR 1.540
3GR 1.000
4GR 0.700
Reverse 2.333
Final Gear Ratio 4.375
Speedometer Gear Ratio (Number Of Drive/Driven Gear Teeth) 1.25 (25/20)
Automatic Transaxle Fluid (ATF)
Type ATF M-III Or Equivalent (e.g. Dexron® II)
Capacity (L {US qt, Imp qt}) 8.0 {8.5, 7.0}
Torque Converter Stall Torque Ratio 2.00 : 1
Hydraulic System (Number Of Drive/Driven Plates)
Forward Clutch 3/3
Coasting Clutch 2/3
3-4 Clutch 4/4
Reverse Clutch 2/2
Low And Reverse Brake 4/4
Band Servo (mm {in})
Servo Diameter (Piston Outer Dia./Retainer Inner Dia.) 78.0/40.0 {3.07/1.57}
Number Of Planetary Gear Teeth
Large Sun Gear 36
Small Sun Gear 30
Long Pinion Gear 24
Short Pinion Gear 22
Internal Gear 84
Number Of Output Gear Teeth 16
Number Of Idle Gear Teeth 37
Number Of Ring Gear Teeth 70
TRANSAXLE TECHNICAL DATA (Cont.)

Item Specification
Torque Converter
Bushing Inner Diameter (mm {in})
Standard 53.030 {2.088}
Maximum 53.076 {2.090}
Oil Pump
Outer & Inner Rotor Clearance (mm {in})
Standard 0.02-0.04 {0.0008-0.001 5}
Maximum 0.05 {0.001 9}
Spool Outer Diameter (mm {in})
Standard 13.970-13.980 {0.5500-0.5503}
Maximum 13.970 {0.5500}
Clearance Between The Oil Pump Base & The Inner Rotor (mm {in})
Standard 0.040-0.11 5 {0.001 57-0.00453}
Maximum 0.125 {0.00492}
Forward Clutch
Number Of Drive/Driven Plates 3/3
Drive Plate Thickness (mm {in})
Standard 1.6 {0.063}
Minimum 1.5 {0.059}
Forward Clutch Clearance (mm {in}) 0.97-1.20 {0.038-0.047}
Snap Ring Size (mm {in}) 2.00 {0.079}, 2.15 {0.085}, 2.30 {0.091}, 2.45 {0.096}, 2.60 {0.102}, 2.75 {0.108}
Sun Gear Drum
Bushing Inner Diameter (mm {in})
Maximum 33.4 {1.31}
Small Sun Gear
Bushing Inner Diameter (mm {in})
Maximum 24.0 {0.945}
Carrier Hub
Clearance Between Pinion Washer & Planet Carrier (mm {in})
Maximum 0.2-0.7 {0.008-0.028}
Coasting Clutch
Number Of Drive/Driven Plates 2/3
Drive Plate Thickness (mm {in})
Standard 1.6 {0.063}
Minimum 1.5 {0.059}
Coasting Clutch Clearance (mm {in}) 1.0-1.2 {0.039-0.047}
Snap Ring Size (mm {in}) 1.50 {0.059}, 1.65 {0.065}, 1.80 {0.071}, 1.95 {0.077}, 2. 10 {0.083}, 2.25 {0.089}
Reverse Clutch
Number Of Drive/Driven Plates 2/2
Drive Plate Thickness (mm {in})
Standard 1.6 {0.063}
Minimum 1.5 {0.059}
Reverse Clutch Clearance (mm {in}) 1.5-1.8 {0.059-0.070}
Snap Ring Size (mm {in}) 2.0 {0.079}, 2.2 {0.087}, 2.4 {0.094}, 2.6 {0.102}, 2.8 {0.110}
3-4 Clutch
Number Of Drive/Driven Plates 4/4
Drive Plate Thickness (mm {in})
Standard 1.6 {0.063}
Minimum 1.5 {0.059}
3-4 Clutch Clearance (mm {in}) 1.3-1.5 {0.051-0.059}
Snap Ring Size (mm {in}) 3.80 {0.150}, 3.91 {0.154}, 4.04 {0.159}, 4.17 {0.164}, 4.30 {0.169}, 4.43 {0.174}, 4.56 {0.179}, 4.69 {0.185}, 4.80 {0.189}
Low And Reverse Brake
Number Of Drive/Driven Plates 4/4
Drive Plate Thickness (mm {in})
Standard 1.6 {0.063}
Minimum 1.5 {0.059}
Low And Reverse Brake Clearance (mm {in}) 1.5-1.8 {0.060-0.070}
Snap Ring Size (mm {in}) 7.0 {0.276}, 7.2 {0.283}, 7.4 {0.291}, 7.6 {0.299}, 6.8 {0.268}
2-4 Brake Band
Piston Stem Stroke (mm {in}) 0.8-1.2 {0.0394-0.0472}
Total End Play (mm {in}) 0.25-0.50 {0.010-0.019}
End Play Adjust Race (mm {in}) 1.2 {0.047}, 1.4 {0.055}, 1.6 {0.063}, 1.8 {0.071}, 2.0 {0.078}, 2.2 {0.087}
Idle Gear
Idle Gear Bearing Preload (N.m {kgf.cm, in.lbf}) 0.03-0.8 {0.3-9.0, 0.27-7.8}
Preload Adjust Spacers (mm {in}) 4.540 {0.179}, 4.575 {0.180}, 4.610 {0.181}, 4.645 {0.183}, 4.680 {0.184}, 4.715 {0.186}, 4.750 {0.187}, 4.785 {0.188}, 4.820 {0.190}, 4.855 {0.191}, 4.890 {0.193}, 4.925 {0.194}, 4.960 {0.195}, 4.995 {0.197}, 5.030 {0.198}, 5.065 {0.199}, 5.100 {0.201}, 5.135 {0.202}, 5.170 {0.204}, 5.205 {0.205}, 5.240 {0.206}, 5.275 {0.208}, 5.310 {0.209}
Output Gear
Output Gear Bearing Preload (N.m {kgf.cm, in.lbf}) 0.9-2.0 {9-21, 17.9-18.2}
Preload Adjust Shims (mm {in}) 0.375 {0.015}, 0.425 {0.017}, 0.475 {0.019}, 0.50 {0.020}, 0.525 {0.021}, 0.55 {0.022}, 0.575 {0.023}, 0.60 {0.024}, 0.625 {0.025}, 0.65 {0.026}, 0.675 {0.027}, 0.70 {0.028}, 0.725 {0.029}, 0.75 {0.030}, 0.775 {0.031}, 0.80 {0.031}, 0.825 {0.032}, 0.85 {0.033}, 0.875 {0.034}, 0.90 {0.035}, 0.925 {0.036}, 0.95 {0.037}, 0.975 {0.038}, 1.00 {0.039}, 1.025 {0.040}, 1.05 {0.041}, 1.075 {0.042}, 1.10 {0.043}, 1.125 {0.044}, 1.15 {0.045}, 1.175 {0.046}, 1.20 {0.047}, 1.225 {0.048}, 1.25 {0.049}, 1.275 {0.050}, 1.30 {0.051}, 1.325 {0.052}, 1.35 {0.053}, 1.375 {0.054}, 1.40 {0.055}
Differential Bearing Preload (N.m {kgf.cm, in.lbf}) 3.0-3.9 {30-40, 27-34}
Preload Adjust Shims (mm {in}) 0.1 {0.0039}, 0.12 {0.0047}, 0.14 {0.0055}, 0.16 {0.0062}, 0.18 {0.0071}, 0.20 {0.0079}, 0.50 {0.0147}, 0.70 {0.0276}, 1.00 {0.0394}
Backlash Of Side Gear & Pinion Gear (mm {in})
Standard 0.025-0.10 {0.0010-0.0039}
Maximum 0.10 {0.0039}
Differential
Backlash Adjust Shims (mm {in}) 2.00 {0.078}, 2.05 {0.080}, 2.10 {0.083}, 2.15 {0.085}, 2.20 {0.087}
Distance A (mm {in}) 13.96 {0.5496}
Height Difference Between The Reverse & Forward Drum & The Transaxle Case (mm {in}) 0.7-1.9 {0.028-0.075}
TRANSAXLE SPRING SPECIFICATIONS

Spring Outer Diameter (mm {in}) Free Length (mm {in}) No. Of Coils Wire Diameter (mm {in})
Oil pump
Spring 13.0 {0.512} 53.0 {2.09} 12.0 1.2 {0.047}
2-3 Accumulator
2-3 Accumulator Spring 11.5 {0.453} 77.7 {3.06} 23.3 1.4 {0.055}
Orifice Check Valve Spring 8.0 {0.31 5} 13.0 {0.512} 3.5 0.4 {0.01 6}
Coasting Clutch
Spring & Retainer Component - 31.54 {1.242} - -
3-4 Clutch
Spring 83.3 {3.28} 38.7 {1.52} 1.0 5.5 {0.22}
Low And Reverse Brake
Spring - 18.07 {0.7114} - -
Band Servo
Servo Return Spring 27.7 {1.09} 43.25 {1.703} 4.5 3.2 {0.13}
Control Valve Body
Pressure Modifier Accumulator Spring 8.2 {0.32} 38.2 {1.50} 16.5 1.2 {0.047}
3-2 Timing Spring 8.25 {0.325} 35.4 {1.394} 12.5 0.85 {0.033}
Cut Back Spring 8.2 {0.32} 29.8 {1.1 7} 7.4 0.6 {0.02}
Bypass Spring 6.3 {0.25} 29.5 {1.1 6} 11.7 0.6 {0.02}
1-2 Accumulator Spring
Small 14.8 {0.583} 81.6 {3.21} 17.7 1.7 {0.067}
Large 20.2 {0.795} 81.6 {3.21} 12.5 2.3 {0.091}
N-D Accumulator Spring 9.8 {0.39} 52.9 {2.08} 12.0 1.0 {0.039}
N-R Accumulator Spring
Small 7.2 {0.28} 60.1 {2.37} 26.2 1.0 {0.039}
Large 11. 2 {0.441} 56.0 {2.20} 15.2 1.6 {0.063}
Converter Relief Spring 7.4 {0.29} 32.3 {1.27} 13.5 1.1 {0.043}
Solenoid Reducing Spring 8.0 {0.31} 39.7 {1.56} 12.0 0.9 {0.03}
Low Reducing Spring 8.7 {0.34} 38.3 {1.51} 12.5 0.9 {0.03}
1-2 Shift Spring 7.4 {0.29} 36.6 {1.44} 12.0 0.8 {0.031}
2-3 Shift Spring 7.4 {0.29} 36.6 {1.44} 12.0 0.8 {0.031}
Coast Timing Spring 6.2 {0.24} 28.0 {1.10} 16.0 0.6 {0.02}
TCC Shift Spring 6.0 {0.24} 40.0 {1.57} 13.8 0.5 {0.02}
3-4 Shift Spring 7.4 {0.29} 36.6 {1.44} 12.0 0.8 {0.031}
Pressure Modifier Spring 5.0 {0.2} 19.0 {0.75} 12.7 0.6 {0.024}
Pressure Regulator Spring 12.0 {0.472} 33.9 {1.34} 7.0 1.1 {0.043}
2-3 Timing Spring 4.7 {0.1 9} 22.3 {0.878} 14.0 0.65 {0.026}
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