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Storm & Storm GSi

WARNING: This page is about a different car, the 1992 Geo Tracker and 1992 Geo Prizm. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect battery ground cable then positive cable. Remove battery from vehicle. Disconnect kickdown solenoid connector (under battery tray). Raise and support vehicle.
  2. Remove left splash shield from vehicle. Remove kickdown solenoid from transaxle by turning it counterclockwise. See Fig 1. Remove vacuum hose and pipe from vacuum modulator. Remove vacuum modulator and diaphragm rod from transaxle by turning them counterclockwise. See Fig 1.
  3. Inspect modulator for leakage by removing diaphragm rod. If transaxle fluid is present, replace vacuum modulator. With diaphragm rod in place, test for leakage by attaching vacuum pump to fitting on rear of vacuum modulator. Apply 20 in. Hg of vacuum to modulator. If vacuum gauge on pump indicates a vacuum loss, replace vacuum modulator. Inspect vacuum modulator "O" ring for cuts and other damage. To install components, reverse removal procedure.
Fig 1: Inspecting Vacuum Modulator (Storm & Storm GSi - 1 Of 3)
G93I00198Courtesy of GENERAL MOTORS CORP.
Fig 2: Inspecting Vacuum Modulator (Storm & Storm GSi - 2 Of 3)
G93J00199Courtesy of GENERAL MOTORS CORP.
Fig 3: Inspecting Vacuum Modulator (Storm & Storm GSi - 3 Of 3)
G93C00200Courtesy of GENERAL MOTORS CORP.