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.
2008 Lexus SC 430FACTORY OEM SERVICE PROCEDURE
Torque Specifications
REMOVABLE ROOF PANEL
REMOVABLE ROOF PANEL - TORQUE SPECIFICATIONS
| Part tightened | N*m | kgf*cm | ft.*lbf |
|---|---|---|---|
| Sliding roof drive gear sub-assembly x Removable roof lock sub-assembly | 5.4 | 55 | 48 in.*lbf |
| Sliding roof removable roof panel sub-assembly x Roof panel link sub-assembly | 40 | 408 | 30 |
| Sliding roof removable roof panel sub-assembly x Removable roof lock sub-assembly | 6.9 | 70 | 61 in.*lbf |
BACK WINDOW FRAME
BACK WINDOW FRAME - TORQUE SPECIFICATIONS
| Part tightened | N*m | kgf*cm | ft.*lbf |
|---|---|---|---|
| Back window frame sub-assembly upper x Roof panel link sub-assembly | 40 | 408 | 30 |
ROOF PANEL LINK
ROOF PANEL LINK - TORQUE SPECIFICATIONS
| Part tightened | N*m | kgf*cm | ft.*lbf | |
|---|---|---|---|---|
| Sliding roof removable roof panel sub-assembly x Roof panel link sub-assembly | 40 | 408 | 30 | |
| Rear seatback assembly x Body | Bolt | 18 | 184 | 13 |
| Nut | 7.0 | 71 | 63 in.*lbf | |
| Back window frame sub-assembly upper x Roof panel link sub-assembly | 40 | 408 | 30 | |
| Sliding roof drive gear assembly RH x Roof panel link sub-assembly | 19 | 194 | 14 | |
PACKAGE TRAY TRIM
PACKAGE TRAY TRIM - TORQUE SPECIFICATIONS
| Part tightened | N*m | kgf*cm | ft.*lbf | |
|---|---|---|---|---|
| Rear seatback assembly x Body | Bolt | 18 | 184 | 13 |
| Nut | 7.0 | 71 | 63 in.*lbf | |
REMOVABLE ROOF AUXILIARY CATCH
REMOVABLE ROOF AUXILIARY CATCH - TORQUE SPECIFICATIONS
| Part tightened | N*m | kgf*cm | ft.*lbf |
|---|---|---|---|
| Removable roof auxiliary catch assembly x Body | 22 | 224 | 16 |
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.