545RFE Automatic Transmission (Service Information): Pump-Oil: Disassembly

Fig 1: Oil Pump Assembly Components

Courtesy of DAIMLERCHRYSLER CORP.

1 - PUMP HOUSING	4 - SEAL RING (5)
2 - SEAL	5 - REACTION SHAFT SUPPORT
3 - OIL FILTER SEAL	6 - PUMP VALVE BODY

1. Remove the bolts holding the reaction shaft support (5) to the oil pump. See Fig 1
2. Remove the reaction shaft support (5) from the oil pump. See Fig 1
3. Remove all bolts holding the oil pump halves together. See Fig 1
4. Using suitable prying tools, separate the oil pump sections by inserting the tools in the supplied areas and prying the halves apart.
   NOTE: The oil pump halves are aligned to each other through the use of two dowels. Be sure to pry upward evenly to prevent damage to the oil pump components.
   Fig 2: Oil Pump Housing and Gears

   Courtesy of DAIMLERCHRYSLER CORP.

   1 - SEPARATOR PLATE	5 - DOWEL (2)
   2 - DRIVEN GEAR (2)	6 - DRIVE GEAR
   3 - CHECK VALVE	7 - SCREW
   4 - PUMP HOUSING

5. Remove the screws (7) holding the separator plate (1) onto the oil pump housing (4). See Fig 2
6. Remove the separator plate (1) from the oil pump housing (4). See Fig 2
7. Mark all gears for location. The gears are select fit and if the oil pump is to be reused, the gears must be returned to their original locations.
8. Remove the oil pump gears (2, 6) from the oil pump housing (4). See Fig 2
   Fig 3: T/C Switch Valve

   Courtesy of DAIMLERCHRYSLER CORP.

   1 - RETAINER

   2 - T/C SWITCH VALVE

   3 - OIL PUMP VALVE BODY

9. Remove the oil pump valve retainers (1) and associated valve (2) and spring one at a time. Mark the combination of components as a group and tag them as to the location from which they were removed. See Fig 3.
   Fig 4: Oil Pump Valve Body

   Courtesy of DAIMLERCHRYSLER CORP.

   1 - T/C REGULATOR VALVE

   2 - T/C LIMIT VALVE

   3 - REGULATOR VALVE

   4 - OIL PUMP VALVE BODY

10. Remove the T/C regulator valve (1), T/C limit valve (2), and regulator valve (3). See Fig 4.