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Installation Procedure

    Fig 1: Removing/Installing ESO Solenoid
    GM377146Courtesy of GENERAL MOTORS CORP.
  1. Install the new O-ring on the ESO solenoid.
  2. NOTE: Refer to Component Fastener Tightening Notice in Cautions and Notices.
  3. Install the ESO solenoid in the injection pump.

    Tighten:  Tighten the solenoid (external hex or internal hex) to 25 N.m (18 lb ft).

  4. Install the ESO electrical connector.
  5. Start the engine and check for leaks.