AUTOMATIC TRANSAXLE (M13 ENGINE) 7B1-5
Specifications
Item Specifications
To rque
converter
Ty pe
Stall torque ratio
3-element, 1-step, 2-phase type (with TCC (lock-up) mechanism)
1.9 – 2.1
Oil pump
Ty pe
Drive system
Internal involute gear type oil pump (non crescent type)
Engine driven
Gear
change
device
Type Forward 4-step, reverse 1-step planetary gear type
Shift position
“P” range Gear in neutral, output shaft fixed, engine start
“R” range Reverse
“N” range Gear in neutral, engine start
“D” range
(O/D ON)
Forward 1st
↔
2nd
↔
3rd
↔
4th (O/D)
automatic gear change
“D” range
(O/D OFF)
Forward 1st
↔
2nd
↔
3rd
←
4th
automatic gear change
“2” range Forward 1st
↔
2nd
←
3rd
automatic gear change
“L” range Forward 1st
←
2nd
←
3rd reduction, and fixed at 1st
gear
Gear
ratio
1st 2.875 Number of teeth Front sun gear: 24
2nd 1.568 Rear sun gear: 30
3rd 1.000 Long planet pinion: 20
4th
(overdrive gear)
0.697
Short planet pinion: 19
Ring gear: 69
Reverse
(reverse gear)
2.300
Control elements
Wet type multiple-disc clutch ... 3 sets
Wet type multiple-disc brake ... 3 sets
One-way clutch ... 2 sets
Reduction gear ratio 1.019
Final gear reduction
ratio
4.277
Lubrication Lubrication system Force feed system by oil pump
Cooling Cooling system Radiator assisted cooling (water-cooled)
Fluid used
DEXRON
-III
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