Transmission Fluid Pump Disassemble

WARNING: This page is about a different car, the 2007 Saturn Sky. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Locating Reverse Clutch Housing Fluid Seal Rings

Courtesy of GENERAL MOTORS CORP.

Remove the reverse clutch housing seal rings (200).

Fig 2: Identifying Pressure Regulator Valve & Line Boost Valve

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Remove the line boost valve retainer (204).
Remove the line boost valve bushing (206) and the line boost valve (207).
Remove the line boost valve bushing seal (205).
Remove the line boost valve spring (208) and the pressure regulator valve spring (209).
Remove the pressure regulator valve (210).

Fig 3: View Of Pump Cover Screen

Courtesy of GENERAL MOTORS CORP.

Remove the fluid pump cover screen pin (211).
Remove the pump cover screen (213).
Remove the fluid pump cover seal (212).

Fig 4: Identifying Pressure Relief Valve & Spring

Courtesy of GENERAL MOTORS CORP.

Remove the pressure relief ball pin (211).
Remove the pressure relief spring (238) and the pressure relief ball (239).

Fig 5: TCC Control Valve, Retainer & Spring

Courtesy of GENERAL MOTORS CORP.

Remove the TCC control valve pin (204).
Remove the TCC control valve spring (234) and the TCC control valve (235).

Fig 6: Locating Inspection Areas On Input Shaft Bearing

Courtesy of GENERAL MOTORS CORP.

Inspect the input shaft bearing for the following:
- Damaged bearing cage
- Pitted bearings
- Scored bearings