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 LS 600hLFACTORY OEM SERVICE PROCEDURE

Fuel Pump: Reassembly

INSTALL FUEL PUMP ASSEMBLY
1. Apply gasoline to a new O-ring. Then install the O-ring and spacer to the fuel pump.
  
  Fig 1: Identifying Spacer And O-Ring
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Apply a light coat of gasoline to 2 new O-rings, and install them onto the fuel main valve.
  
  Fig 2: Installing Light Coat Of Gasoline To O-Rings
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Install the fuel main valve to the fuel filter
  NOTE: Make sure the O-rings are not cut or pinched during the installation.

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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.