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Home >> Chevrolet >> 2007 >> Chevy Express G2500, Van Cargo, 6.6 6 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Control System & Fuel System - 6.6L (LLY) - Introduction (2 Of 2)) >> Repair Instructions >> Fuel Feed Pipe Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Remove the engine cover. Refer to Engine Cover Replacement .
  2. Remove the charge air cooler inlet pipe. Refer to Charged Air Cooler Hoses/Pipes Replacement (Inlet) or Charged Air Cooler Hoses/Pipes Replacement (Outlet) .
  3. Remove the center intake manifold. Refer to Intake Manifold Tube Replacement (LLY, LBZ) or Intake Manifold Tube Replacement (LMM) .
  4. Using the J 43178  and J 44581  disconnect the fuel feed and return pipes. See Special Tools .
    5. Fig 1: Identifying fuel feed/return pipe bracket bolt
    GM1734168Courtesy of GENERAL MOTORS CORP.
  5. Remove the fuel line bracket bolt.
    6. Fig 2: Identifying bracket
    GM1734158Courtesy of GENERAL MOTORS CORP.
  6. Disconnect the electrical connectors.
  7. Remove the nut, the 2 bolts, and position the bracket aside.
    8. Fig 3: Identifying intake air temperature sensor
    GM1732300Courtesy of GENERAL MOTORS CORP.
  8. Disconnect the fuel rail temperature (FRT) sensor electrical connector.
    9. Fig 4: Identifying fuel pressure relief hose
    GM1734436Courtesy of GENERAL MOTORS CORP.
  9. Compress the clamp and disconnect the fuel pressure relief valve hose from the fuel pump.
    10. Fig 5: Identifying fuel pipe bracket bolt
    GM1734441Courtesy of GENERAL MOTORS CORP.
  10. Compress the clamp (1) and disconnect the fuel feed pipe from the fuel injector pump.
  11. Remove the fuel feed pipe bracket bolt (2).
    12. Fig 6: Identifying Fuel Feed Block Bolt
    GM1731675Courtesy of GENERAL MOTORS CORP.
  12. Remove the fuel feed block bolt and remove the fuel feed pipe.
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