SCZA Transmission Info & Specs
Line Pressure Test
| Hydraulic Pressure | Shift Position | RPM | Fluid Pressure (Standard or New) |
| Forward Clutch | Drive | 1700 |
1.57 - 1.84 MPa (16.0 - 18.8 kgf/cm2 , 228-267 PSI) |
| Reverse Brake | Reverse | 1700 |
1.57 - 1.84 MPa (16.0 - 18.8 kgf/cm2 , 228-267 PSI) |
| Drive Pulley | Neutral | 1700 |
0.34 - 0.64 MPa (3.5 - 6.5 kgf/cm2 , 50-92 PSI) |
| Driven Pulley | Neutral | 1700 |
0.64 - 0.93 MPa (6.5 - 9.5 kgf/cmw , 92 - 140 PSI) |
| Lubrication Pressure | Neutral | 3000 |
0.25 - 0.40 MPa (2.5 - 4.1 kgf/cm2 , 36-58 PSI) |
Pressure Control Valve Solenoid Test
Measure the resistance between solenoid harness connector terminals.
| Solenoid | Connector Terminals | Resistance |
| Start Clutch | 4 & 8 | 3.8 - 6.8 |
| Drive Pulley | 3 & 7 | 3.8 - 6.8 |
| Driven Pulley | 2 & 6 | 3.8 - 6.8 |
| Inhibitor | 5 & Body Ground | 11.7 - 21.0 |
Gear Ratio
| Primary Reduction | Direct 1:1 | |
| Gear Ratio | Low - High | 2.367 - 0.407 |
| Gear Ratio | Reverse | 4.226 - 3.214 |
| Final Reduction | Gear Ratio | 4.333 |
Clutch Clearance
| Clutch | Clearance |
| Forward Clutch |
0.5 - 0.7mm (0.020-0.028 in) |
| Start Clutch |
0.5 - 0.7mm (0.020 - 0.028 in) |
| Reverse Clutch |
0.55 - 0.70mm (0.022-0.028 in) |
Shaft Clearance
| Shaft | End Play | |
| Input Shaft | AFT Pump Drive Sprocket Hub |
0.37 - 0.65 mm (0.015 - 0.026 in) |
| Input Shaft | Planetary Carrier |
0.05 - 0.115 mm (0.002-0.0045 in) |
| Driven Pulley Shaft | Start Clutch Side |
0 - 0.13mm (0 -0.005 in) |
| Differential Carrier | Carrier to Pinion Shaft |
0.026 - 0.062 mm (0.001 - 0.002 in) |
| Differential Carrier | Carrier to Drive Shaft / Intermediate Shaft |
0.045 - 0.086 mm (0.002 - 0.003 in) |
Differential Backlash Inspection
- Install drive shafts on the differential, then place the axle on V-blocks
- Check backlash of the pinion gears with a dial indicator.
- If the backlash is out of spec, replace the differential carrier
Backlash Spec = 0.05 - 0.15 mm (0.002 - 0.006 in)