SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSBUICK2006TERRAZA CXL, 3.5 L, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 18 (ENGINE CONTROL SYSTEM - 3.6L (LY7) - INTRODUCTION (2 OF 2))REPAIR INSTRUCTIONSFUEL TANK REPLACEMENTREMOVAL PROCEDURE
2006 Buick Terraza CXL, 3.5 L, AWD

Removal Procedure

2006 Buick Terraza CXL, 3.5 L, AWDSECTION Removal Procedure
WARNING: This page is about a different car, the 2005 Buick LaCrosse and 2005 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: Clean the fuel and evaporative emission (EVAP) connections and surrounding areas prior to disconnecting the lines in order to avoid possible system contamination.
    Fig 1: Fuel Tank Clamp, Fuel Tank Hose and Fuel Tank
    GM1554559Courtesy of GENERAL MOTORS CORP.
  1. Relieve the fuel system fuel pressure. Refer to Fuel Pressure Relief Procedure .
  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. Loosen the fuel fill hose clamp (1) at the fuel tank.
  5. Remove the fuel tank fill hose (2) from the fuel tank (3).
    6. Fig 2: EVAP Vent Solenoid Hose and EVAP Vent Valve Solenoid Hose
    GM1554566Courtesy of GENERAL MOTORS CORP.
  6. Disconnect the EVAP vent solenoid hose (2) on the tank from the EVAP vent valve solenoid hose (1).
    7. Fig 3: EVAP Vent Pipe Quick Connect Fitting
    GM1554568Courtesy of GENERAL MOTORS CORP.
  7. Disconnect the EVAP vent pipe quick connect fitting (4) from the fill pipe EVAP vent pipe quick connect fitting (1). Quick Connect Fitting(s) Service (Plastic Collar) .
    8. Fig 4: View Of Fuel Feed, EVAP and Fuel Tank Lines
    GM1554561Courtesy of GENERAL MOTORS CORP.
  8. Disconnect the fuel feed (3), and the EVAP (4) lines from the fuel tank lines (1, 2). Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
  9. Support the exhaust system.
  10. Remove the rubber exhaust pipe hangers in order to allow the exhaust system to drop slightly.
    11. Fig 5: Fuel Tank Shield Retainers
    GM1554563Courtesy of GENERAL MOTORS CORP.
  11. Remove the fuel tank shield retainers (3).
  12. Remove the fuel tank shield (2).
    13. Fig 6: Fuel Tank Strap Bolts
    GM1554562Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

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

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote 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.