LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 2005 >> Park Avenue Ultra >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Introduction >> Repair Instructions >> Bypass Valve Actuator Replacement >> Removal Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Removal Procedure

  1. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement (L36) or Fuel Injector Sight Shield Replacement (L67) in Engine Mechanical.
  2. Disconnect the vacuum hoses from the bypass valve actuator.
  3. Remove the boost control solenoid. Refer to Boost Control Solenoid Replacement .
  4. Fig 1: Removing Bypass Valve Actuator
    GM21728Courtesy of GENERAL MOTORS CORP.
  5. Remove the bypass valve actuator mounting bolts and rotate the bypass valve actuator until the rod disengages the lever.