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Home >> Saturn >> 2000 >> LS1 Automatic >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transaxle Overhaul & Testing - 4T40-E & 4T45-E >> Component Disassembly, Reassembly & Transaxle Reassembly >> Forward Clutch Assembly >> Reassembly

Forward Clutch Assembly: Reassembly

  1. Install NEW inner sleeve and seal assembly if old inner sleeve and seal assembly was removed or damaged. Using arbor press and seal installer, press inner sleeve and seal assembly onto forward clutch housing. Lubricate forward clutch piston assembly seals with transaxle fluid. Install forward clutch piston assembly into forward clutch housing.
  2. CAUTION: When installing forward clutch return spring assembly, compress only enough to install snap ring or forward clutch return spring assembly damage may occur.
  3. Install forward clutch return spring assembly into forward clutch housing with snap ring tabs facing up. Compress return spring assembly and install snap ring. Remove spring compressor. Install forward clutch waved plate. Install remaining clutch plates starting with steel plate and alternating between steel and friction plates.
  4. Install forward clutch backing plate. Install snap ring to retain clutch plates. Using compressed air, check forward clutch to verify proper operation of seals and clutch assembly. Apply compressed air at specified location. See Fig 1 . If clutch assembly does not operate properly, check component installation.
  5. Install low/reverse band into transaxle case. Align band servo pin apply surface toward bottom pan and hook band into band anchor pin in transaxle case. Install forward clutch assembly into transaxle case. Rotate forward clutch assembly counterclockwise during assembly to seat clutch assembly into low roller clutch. When assembly is seated properly, forward clutch assembly should not turn clockwise.
  6. Verify proper installation of low/reverse band by inserting screwdriver through reverse servo pin hole. Screwdriver should compress band around forward clutch housing.
Fig 1: Checking Forward Clutch Assembly Operation
G96J04026Courtesy of GENERAL MOTORS CORP.