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Home >> Chevrolet >> 2008 >> HHR SS, Automatic >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transaxle - 4T45-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis >> Repair Instructions - Off Vehicle >> Control Valve Assembly and Transmission Fluid Pressure Switch Installation

Control Valve Assembly and Transmission Fluid Pressure Switch Installation

    Fig 1: Identifying Control Valve Body To Spacer Plate Assembly
    GM1852306Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The 4T40-E/4T45-E non-Electronic Range Select Mode models use a spacer plate with 2 identification notches. The 4T45-E models with Electronic Range Select Mode use a spacer plate with 1 identification notch.
  1. Install a NEW control valve body to spacer plate assembly onto the case cover.
  2. Install the control valve body assembly (18) onto the spacer plate assembly (90).
  3. Fig 2: Identifying 4 Pressure Switch O-Rings
    GM1205824Courtesy of GENERAL MOTORS CORP.
  4. Inspect the TFP switch assembly (13) in order to verify the condition and correct location of the 4 pressure switch O-rings.
  5. If necessary replace the pressure switch O-rings.
  6. Fig 3: Locating TFP Switch Assembly
    GM1205810Courtesy of GENERAL MOTORS CORP.
  7. Install the TFP switch assembly (13) onto the control valve body assembly.
  8. Fig 4: Installing Control Valve Body Assembly Bolts
    GM1205826Courtesy of GENERAL MOTORS CORP.
  9. Install the 18 control valve body assembly bolts.
  10. Fig 5: View Of Control Valve Body Assembly Bolts
    GM20876Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  11. Hand start the bolts.

    Tighten:  Tighten the bolts to 14 N.m (124 lb in).