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.
2002 Lexus SC 430FACTORY OEM SERVICE PROCEDURE
Section 342 (Radiator): Radiator: Installation
WARNING: This page is about a different car, the 2004 Lexus LX 470. However, it is still accessible from the selected car via links, so may be relevant.
- INSTALL SIDE SUPPORTS TO RADIATORÂ
- Install the 2 side support with 8 nuts.
- Torque: 12.7 N.m (130 kgf.cm, 9 ft.lbf)Â
- Install the 2 brackets with the 4 nuts.
- Torque: 20 N.m (200 kgf.cm, 13 ft.lbf)Â
- Install the 2 side support with 8 nuts.
- INSTALL RADIATOR ASSEMBLYÂ
- Place the radiator assembly to the body.
- Install the 2 nuts.
- Torque: 20 N.m (200 kgf.cm, 15 ft.lbf)Â
- Install the radiator assembly with the 2 bolts to the body.
- Torque: 18 N.m (185 kgf.cm, 13 ft.lbf)Â
- INSTALL FAN PULLEY, FAN SHROUD, FAN WITH FLUID COUPLING AND GENERATOR DRIVE BELTÂ
- Place the fan with fluid coupling, fan pulley and fan shroud in position.
- Temporarily install the fan pulley mounting nuts.
- Install the fan shroud with the 3 bolts.
- Torque: 5.0 N.m (50 kgf.cm, 43 in.lbf)Â
- Connect the A/T oil cooler hoses to the clamp on the fan shroud.
- Install the generator drive belt. (See REMOVAL & INSTALLATION )
- Tighten the 4 fan pulley mounting nuts.
- Install the 2 brackets on wire to the radiator wire with 2 bolts.
- Install the 2 clamps on the A/C discharge tube to the brackets on the wire with the 2 nuts.
- INSTALL RADIATOR RESERVOIRÂ
- Install the grommet to the reservoir.
- Attach the lower side of the reservoir to the fun shroud.
- install the reservoir with the 2 bolts.
- Connect the reservoir hose to the radiator.
- Install the clamp on the wire to the radiator.
- CONNECT A/T OIL COOLER HOSES TO RADIATORÂ
- CONNECT RADIATOR UPPER HOSE TO RADIATORÂ
- CONNECT RADIATOR LOWER HOSE TO RADIATORÂ
- FILL WITH ENGINE COOLANTÂ
- START ENGINE AND CHECK FOR ENGINE COOLANT LEAKSÂ
- RECHECK ENGINE COOLANT LEVELÂ
- INSTALL ENGINE UNDER COVER NO. 1Â
Factory Service Tools
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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.
