2005 Cadillac XLRFACTORY OEM SERVICE PROCEDURE

Removal Procedure

  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
  2. Drain the fuel tank. Refer to Fuel Tank Draining Procedure .
  3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  4. Remove the right rear tire. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  5. Remove the right rear wheelhouse liner panel. Refer to Wheelhouse Liner Panel Replacement - Rear in Body Rear End.
  6. Remove the evaporative emission (EVAP) canister access cover.
    7. Fig 1: View Of FLVV Hose & EVAP Canister
    GM561895Courtesy of GENERAL MOTORS CORP.
  7. Disconnect the fuel level vent valve (FLVV) hose (1) at the EVAP canister (2).
  8. Disconnect the fuel pump module harness connector.
  9. Remove the crossover tube from the clamp located above the transmission.
    10. Fig 2: Locating Air Inlet Hose
    GM903539Courtesy of GENERAL MOTORS CORP.
  10. Disengage the crossover tube connector position assurance (CPA) retainer by pulling the tab (1) outward and rotate.
    11. IMPORTANT: The crossover tube CPA is released when the latch disengages from the tank connection groove.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

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.