Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2000 Lexus SC 300FACTORY OEM SERVICE PROCEDURE
Transmission Specifications
TRANSMISSION SPECIFICATIONS
| Application | In. (mm) | |
|---|---|---|
| Bushing Maximum Diameter | ||
| Direct Clutch Drum | 2.126 (53.99) | |
| Extension Housing | 1.578 (40.09) | |
| Forward Clutch Drum | .948 (24.08) | |
| OD Direct Clutch Drum | 1.067 (27.11) | |
| OD Planetary Gear | .444 (11.27) | |
| Planetary Ring Gear | .948 (24.08) | |
| Sun Gear | 1.066 (27.08) | |
| Transmission Case | 1.504 (38.19) | |
| Clutch Pack Clearance | ||
| 1st & Reverse Brake | .024-.044 (.61-1.12) | |
| 2nd Brake Clutch | .024-.078 (.61-1.98) | |
| Direct Clutch Piston Stroke | .054-.063 (1.37-1.60) | |
| Forward Clutch Piston Stroke | .024-.035 (.61-.90) | |
| OD Brake Piston Stroke | .055-.067 (1.40-1.70) | |
| OD Direct Clutch Piston Stroke | .073-.085 (1.85-2.15) | |
| 2nd Coast Brake Piston Stroke | .059-.118 (1.50-3.00) | |
| Output Shaft End Play | .011-.034 (.27-.86) | |
| Planetary Pinion Gear Clearance | .008-.024 (.20-.61) | |
CLUTCH DISC & PLATE QUANTITY
| Component | Disc | Plate |
|---|---|---|
| Direct Clutch | 4 | 4 |
| Forward Clutch | 5 | 5 |
| OD Brake | 4 | 3 |
| OD Direct Clutch | 2 | 2 |
| 1st & Reverse Brake | 6 | 6 |
| 2nd Brake | 5 | 5 |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.