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Home >> Hummer >> 2007 >> H3 Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 16 (Engine Control System - 2.8L (LK5) - Introduction) >> Repair Instructions >> Fuel Pressure Regulator Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2005 GMC Canyon and 2005 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Fuel Pressure Regulator & Components
    GM1361730Courtesy of GENERAL MOTORS CORP.
  1. Install the new fuel pressure regulator filter.
  2. Lightly lubricate the O-ring seals (2, 7) with mineral oil GM P/N 9981704.
  3. Install the new O-ring seals (2, 7) to the following:
    • The fuel pressure regulator (3)
    • The fuel rail return pipe (6)
  4. Press the fuel rail return pipe (6) and O-ring seal (7) into the fuel pressure regulator (3).
  5. Press the fuel pressure regulator (3) and O-ring seal (2) into the fuel rail (1).
    6. NOTE: Refer to Fastener Notice in Cautions and Notices.
  6. Install the fuel pressure regulator screws (4, 5).

    Tighten:  Tighten the fuel pressure regulator screws to 8 N.m (71 lb in).

    7. Fig 2: View Of Air Cleaner Resonator, Atmospheric Vent Hose & Fuel Pressure Regulator
    GM1352028Courtesy of GENERAL MOTORS CORP.
  7. Connect the atmospheric vent hose (2) to the fuel pressure regulator (3).
    8. Fig 3: View Of EVAP Pipes, Fuel Pipes, Oil Indicator Tube, & Engine Wiring Harness Bracket
    GM1361724Courtesy of GENERAL MOTORS CORP.
  8. Connect the fuel return hose/pipe (1) to the fuel rail. Refer to Quick Connect Fitting(s) Service (Metal Collar) .
  9. Inspect for leaks.
    1. Turn ON the ignition for 2 seconds.
    2. Turn OFF the ignition for 10 seconds.
    3. Turn ON the ignition.
    4. Inspect for fuel leaks.
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