LEMON Manuals: Even more car manuals for everyone
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 Pressure Regulator Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
IMPORTANT: If the pressure regulator is being re-used, check the O-rings for damage. If the O-rings are damaged, install NEW O-rings.
    Fig 1: View Of Fuel Pressure Regulator
    GM901301Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: If the regulator is installed at an angle the O-rings may be damaged, resulting in possible fuel leakage.
  1. Lubricate and install NEW O-rings onto the regulator. Lubricate the O-rings with clean, NEW engine oil.
  2. Install the fuel pressure regulator (1).
    3. Fig 2: Identifying Fuel Pressure Regulator Screws
    GM901300Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  3. Install the 3 fuel pressure regulator screws (1) using a T25 TORX®.

    Tighten: 

    • Tighten the screws a first pass to 4 N.m (35 lb in).
    • Tighten the screws a final pass to 7 N.m (62 lb in).

  4. Install the distribution block hoses to the distribution block.
  5. Position the distribution block hose clamps.
    6. Fig 3: Identifying Fuel Pressure Regulator Electrical Connector
    GM786996Courtesy of GENERAL MOTORS CORP.
  6. Connect the fuel pressure regulator electrical connector (1).
  7. Install the air outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
    8. Fig 4: View Of A/C Compressor & Bolts
    GM652573Courtesy of GENERAL MOTORS CORP.
  8. Install the air intake pipe. Refer to Air Intake Pipe Replacement .
  9. Prime the fuel system. Refer to Fuel System Priming .
  10. Start the engine.

    If the engine stalls, repeat the above step.

  11. Once the engine starts, inspect for fuel leaks.
scientia non olet · About LEMON Manuals