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.
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HOMESERVICE MANUALSLEXUS2004IS 300 BASE, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ELECTRICALCHARGING SYSTEMSCHARGING (SERVICE SPECIFICATIONS)CHARGINGTORQUE SPECIFICATION
2004 Lexus IS 300 Base, Automatic
Torque Specification
2004 Lexus IS 300 Base, AutomaticSECTION Torque Specification
Torque Specification
| Part tightened | N.m | kgf.cm | ft.lbf | |
|---|---|---|---|---|
| Drive belt tensioner absorber x Drive belt tensioner arm | 20 | 200 | 14 | |
| Drive belt tensioner absorber x Drive belt tensioner bracket | 20 | 200 | 14 | |
| Generator x Water pump | 40 | 400 | 30 | |
| Generator x Cylinder block | 40 | 400 | 30 | |
| Bearing retainer x Drive end frame | 3.0 | 31 | 27 in.lbf | |
| Rectifier end frame x Drive end frame | 4.5 | 46 | 40 in.lbf | |
| Rectifier end frame with wire clip x Rectifier end frame | 5.4 | 55 | 48 in.lbf | |
| Generator pully x Rotor | 110.5 | 1,125 | 81 | |
| Rectifier holder x Coil lesd on rectifier end frame | 2.9 | 30 | 26 in.lbf | |
| Voltage regulator x Rectifier end frame | 2.0 | 20 | 18 in.lbf | |
| Voltage regulator x Rectifier holder | 2.0 | 20 | 18 in.lbf | |
| Brush holder x Rectifier holder | 2.0 | 20 | 18 in.lbf | |
| Brush holder x Voltage regulator | 2.0 | 20 | 18 in.lbf | |
| Rear end cover x Rectifier holder | 4.4 | 45 | 39 in.lbf | |
| Plate terminal x Rectifier holder | Nut | 4.4 | 45 | 39 in.lbf |
| Bolt | 3.9 | 40 | 35 in.lbf | |
| Terminal insulator x Rectifier holder | 6.5 | 67 | 58 in.lbf | |
RENDER: 1.0x
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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.