Hummer H2. Manual — part 2564

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J 7004-A Universal Remover. See Special Tools and Equipment .

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

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J 21465-01 Bushing Service Set. See Special Tools and Equipment .

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

Fig. 226: Identifying Pump Cover Components
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).

2004 Hummer H2

2004 TRANSMISSION/TRANSAXLE Automatic Transmission - Overhaul - 4L60-E/4L65-E

Fig. 227: View Of Pump Cover Inspection Areas
Courtesy of GENERAL MOTORS CORP.

2. Inspect the pump cover for the following:

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Worn or damaged bushings

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Foreign material or debris

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Porosity

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Scored or irregular mating faces

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Cross channel leaks

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Ring groove damage

2004 Hummer H2

2004 TRANSMISSION/TRANSAXLE Automatic Transmission - Overhaul - 4L60-E/4L65-E

Fig. 228: Locating Stator Shaft Front Bushing
Courtesy of GENERAL MOTORS CORP.

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

2004 Hummer H2

2004 TRANSMISSION/TRANSAXLE Automatic Transmission - Overhaul - 4L60-E/4L65-E

Fig. 229: Removing Stator Shaft Rear Bushing
Courtesy of GENERAL MOTORS CORP.

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

Installation Procedure

2004 Hummer H2

2004 TRANSMISSION/TRANSAXLE Automatic Transmission - Overhaul - 4L60-E/4L65-E