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Valve Body: Removal

  1. Disconnect throttle valve cable from throttle lever. Raise and support vehicle, and remove transmission oil pan. Remove oil filter and "O" ring. Ensure "O" ring is removed from transmission case.
  2. Remove electrical connectors from switches (if required), and tag. Remove auxiliary valve tube to access valve body. Remove valve body bolts. Note length and location of bolts for installation.
  3. Note direction of manual valve link. Remove manual valve link from manual valve at valve body. See Fig 1 . Note direction of throttle valve link. See Fig 2 . Remove throttle valve bracket and throttle valve link. Remove valve body. Note location of check balls. DO NOT  lose balls. See Figure .
Fig 1: Installing Manual Valve Link
G92G12571Courtesy of GENERAL MOTORS CORP.
Fig 2: Installing Throttle Valve Link
G92H12572Courtesy of GENERAL MOTORS CORP.