OIL PUMP STATOR SHAFT BUSHING REPLACEMENT

Tools Required

• J 7004-A Universal Remover. See Special Tools.

• J 8092 Universal Driver Handle - 3/4 in - 10

• J 21465-01 Bushing Service Set. See Special Tools.

• J 25019-14 Bushing Installer

• J 34196-B Transmission Bushing Service Set. See Special Tools.

Removal Procedure

OIL PUMP STATOR SHAFT BUSHING REPLACEMENT

Fig. 389: Locating Pump Cover, Check Valve Retainer, Ball Assemblies & Cup Plugs

Courtesy of GENERAL MOTORS CORP.

1. Inspect the pump cover, all check valve retainer and ball assemblies (237), cup plugs (235, 236) and orificed cup plugs (238, 240).

OIL PUMP STATOR SHAFT BUSHING REPLACEMENT

Fig. 390: View Of Pump Cover Courtesy of GENERAL MOTORS CORP.

2. Inspect the pump cover for the following conditions:

• Worn or damaged bushings

• Foreign material or debris

• Porosity

• Scored or irregular mating faces

• Cross channel leaks

OIL PUMP STATOR SHAFT BUSHING REPLACEMENT

Fig. 391: Removing Stator Shaft Front Bushing Courtesy of GENERAL MOTORS CORP.

3. Using the J 21465-15 (1) with the J 7004-A (2), remove the stator shaft front bushing (234). See Special Tools.

OIL PUMP STATOR SHAFT BUSHING REPLACEMENT

Fig. 392: Removing Stator Shaft Rear Bushing Courtesy of GENERAL MOTORS CORP.

4. Using the J 25019-14 (2) with the J 7004-A (1), remove the stator shaft rear bushing (241). See Special Tools.

Installation Procedure

OIL PUMP STATOR SHAFT BUSHING REPLACEMENT

Fig. 393: Installing Stator Shaft Front Bushing Courtesy of GENERAL MOTORS CORP.

1. Using the J 21465-2 (1) and the J 8092 (2), install a new stator shaft front bushing (234). See Special Tools.

OIL PUMP STATOR SHAFT BUSHING REPLACEMENT

Fig. 394: Installing Stator Shaft Rear Bushing Courtesy of GENERAL MOTORS CORP.

2. Using the J 34196-2 (1) which is part of kit J 34196-B and the J 8092 (2), install the stator shaft rear bushing (241). See Special Tools.

OIL PUMP COVER ASSEMBLE Tools Required

• J 38735-3 Pusher. See Special Tools.

• J 39855 Stator Shaft Seal Installer. See Special Tools.

Assembly Procedure

OIL PUMP STATOR SHAFT BUSHING REPLACEMENT

Fig. 395: Installing Stator Shaft Oil Seal Rings Courtesy of GENERAL MOTORS CORP.

1. Using the J 39855-1 (1) which is part of kit J 39855 and the J 38735-3 (3), install the stator shaft oil seal rings (230). See Special Tools.

2. Place J 39855-2 (2) which is part of kit J 39855 over the seals. See Special Tools.

3. Leave J 39855-2 (2) which is part of kit J 39855 on the stator shaft until just before the pump is to be installed into the transmission. See Special Tools.

OIL PUMP STATOR SHAFT BUSHING REPLACEMENT

Fig. 396: Identifying Pressure Relief Bolt Valve components Courtesy of GENERAL MOTORS CORP.

4. Install the pressure relief ball (228) and pressure relief spring (229).

5. Install the pressure relief bolt rivet (227).

6. Install the oil pump cover screen seal (231) on the oil pump cover screen (232).

7. Install the oil pump cover screen (232) into the pump cover.

OIL PUMP STATOR SHAFT BUSHING REPLACEMENT

Fig. 397: Identifying Converter Clutch Valve Courtesy of GENERAL MOTORS CORP.

8. Install the converter clutch valve spring (246).

9. Install the converter clutch valve (224).

10. Install the stop valve (223) and the oil pump converter clutch valve retaining ring (222).

OIL PUMP STATOR SHAFT BUSHING REPLACEMENT

Fig. 398: View Of Oil Pump Cover & Components Courtesy of GENERAL MOTORS CORP.

11. Install the pressure regulator valve (216).

12. Install the pressure regulator isolator spring (218) and the pressure regulator valve spring (217).

13. Install the reverse boost valve (219) in the reverse boost valve sleeve (220).

14. Install the reverse boost valve and sleeve in the pump cover.

15. Install the oil pump reverse boost valve retaining ring (221).

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