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.
2003 Lexus GS 300FACTORY OEM SERVICE PROCEDURE
Fuel Lid: Components: Installation
- INSTALL NO. 3 FUEL TANK FILLER PIPE SHIELD
- INSTALL FUEL FILLER OPENING LID
- Install the lock retainer with the nut to the opening lid.
Torque: 5.5 N.m (56 kgf.cm, 49 in..Ibf)
- Using a riveter, install the fuel filler opening lid with the 2 rivets to the body.
- Install the lock retainer with the nut to the opening lid.
- INSTALL FUEL TANK FILLER PIPE SHIELD
- Remove the fuel tank cap.
- Install the fuel inlet pipe shield to the body.
- Install the fuel tank cap quickly.CAUTION: Always keep the tank cap closed when it is not required to be open. Keep all fire away during the operation.
- Tighten the 4 screws.
- INSTALL FUEL TANK CAP TETHER TO FUEL FILLER OPENING LID
Install the fuel tank cap tether with the clip to the fuel filler opening lid.
- INSTALL FUEL LID LOCK ASSEMBLY
- Connect the connector, then install the lock assembly with the nut.
Torque: 5.5 N.m (56 kgf.cm, 49 in..Ibf)
- Torque the nut from the fuel lid side.
Torque: 8.0 N.m (82 kgf.cm, 71 in..Ibf)
- Connect the connector, then install the lamp failure relay with the nut.
- Connect the connector, then install the lock assembly with the nut.
- INSTALL LUGGAGE COMPARTMENT TRIM SIDE COVER LH
- INSTALL LUGGAGE COMPARTMENT TRIM FRONT COVER
- INSTALL REAR FLOOR FINISH PLATE
- INSTALL LUGGAGE COMPARTMENT FLOOR MAT
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.
