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.
2004 Lexus SC 430FACTORY OEM SERVICE PROCEDURE
Torque Specifications
AIR CONDITIONING TORQUE SPECIFICATIONS
| Application | Ft. Lbs. (N.m) |
|---|---|
| A/C Compressor-To-Engine Block | 36 (49) |
| Compressor Clutch Center Bolt | 13 (18) |
| Instrument Panel & Braces | 15 (20) |
| Steering Column Support Nuts | 19 (26) |
| Steering Column Pinch Bolts | 26 (35) |
| Steering Wheel Nut | 37 (50) |
| INCH Lbs. (N.m)Β | |
| Air Bag Module Torx Screw | 78 (8.8) |
| Compressor Discharge Tube | 89 (10) |
| Compressor Suction Tube | 89 (10) |
| Condenser Fittings | 89 (10) |
| Expansion Valve-To-Suction Tube | 89 (10) |
| Modulator (Receiver-Drier) Cap | 109 (12) |
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
