2005 Cadillac XLRFACTORY OEM SERVICE PROCEDURE

Fuel Sender Assembly

Fig 1: Fuel Sender Assembly
GM877216Courtesy of GENERAL MOTORS CORP.

A fuel sender assembly is located inside each fuel tank. The fuel sender assembly attaches to the top of each fuel tank. The left fuel sender assembly consists of the following major components:

  • The fuel level sensor
  • The fuel pump and reservoir assembly
  • The fuel pump strainer
  • The fuel filter (4)
  • The primary fuel pressure regulator (9)
Fig 2: View Of Right Fuel Sender Assembly
GM877232Courtesy of GENERAL MOTORS CORP.

The right fuel sender assembly consists of the following major components:

  • The fuel level sensor (7)
  • The siphon jet pump (5)
  • The secondary fuel pressure regulator (2)
  • The fill limiter vent valve (FLVV)
Factory Service Tools

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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.

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