Hummer H2. Manual - part 2503

TORQUE CONVERTER END PLAY INSPECTION 

Torque Converter End Play Check 

2-4 SERVO PIN SELECTION 

Pump

z

Type  

Gerotor - Internal/External Gear

z

Weight  

0.589 kg

1.3 lb

z

Pump Deliver  

2.5 lpm +/-0.1 @ 93.3°C 

(200°F)

0.5-1.3 gpm +/-0.026 @ 93.3°C 

(200°F)

z

Pressure  

110.3-275.7 kPa +/-3.44

16-40 psi +/-0.5

Relief Pressure

z

Minimum  

550 kPa

79.7 psi

z

Maximum  

900 kPa

130.5 psi

Operating Temperature

z

Minimum  

21°C

69.8°F

z

Maximum  

104°C

219.2°F

Motor
Operating Voltage

z

Maximum  

14.5 Volts

z

Minimum  

11 Volts

z

Operating Range  

14.5-13.5 Volts

z

Maximum Current  

10 amp

z

Nominal Current Load  

4.464 amp

z

Terminal/Winding 
Resistance  

0.0-0.937 ohm

Torque Converter Size

Specification

245 mm (9.65 in)

0-.38 mm (0-0.015 in)

258 mm (10.16 in)

0.1-0.5 mm (.004-.020 in)

298 mm (11.73 in)

0.1-0.48 mm (.004-.019 in)

300 mm (11.81 in)

0.1-0.5 mm (.004-.020 in)

 

2004 Hummer H2 

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

  

Fig. 1: 2-4 Servo Pin Selection 
Courtesy of GENERAL MOTORS CORP. 

2-4 Servo Pin Selection 

Pin Length

Pin Identification

mm

inch

65.82-66.12

2.59-2.60

1 Groove

67.23-67.53

2.65-2.66

2 Grooves

68.64-68.94

2.70-2.71

No Groove

 

2004 Hummer H2 

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

  

COMPONENT LOCATOR 

DISASSEMBLED VIEWS 

Fig. 2: Case & Associated Parts Disassembled Views (1 Of 2) 
Courtesy of GENERAL MOTORS CORP. 

Callouts For Fig. 2 

Callout

Component Name

1

Torque Converter Assembly - Model Dependent On Size

2

Pump to Case Bolt

3

Pump to Case Bolt O-Ring

4

Oil Pump Assembly

5

A/T Fluid Pump Seal - Pump to Case - Model Dependent

5

A/T Fluid Pump Seal - Pump to Case - Model Dependent

6

Pump Cover to Case Gasket

7

Case Bushing

 

2004 Hummer H2 

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

  

9

Transmission Vent Assembly

10

Oil Cooler Pipe Connector - Model Dependent

11

Case Servo Plug

12

Servo Return Spring

13

2nd Apply Piston Pin

14

Retainer Ring - 2nd Apply Piston

15

Servo Cushion Spring Retainer

16

Servo Cushion Spring - Outer

17

2nd Apply Piston

18

Oil Seal Ring - 2nd Apply Piston - Outer

19

Oil Seal Ring - 2nd Apply Piston - Inner

20

Servo Piston Housing - Inner

21

O-Ring Seal

22

Servo Apply Pin Spring

23

Servo Apply Pin Washer

24

Retainer Ring - Apply Pin

25

4th Apply Piston

26

Oil Seal Ring - 4th Apply Piston - Outer

27

O-Ring Seal - 2-4 Servo Cover

28

2-4 Servo Cover

29

Servo Cover Retaining Ring

30

Case Extension to Case Seal

31

Case Extension - Model Dependent

32

Case Extension to Case Bolt

33

Case Extension Bushing

34

Case Extension Oil Seal Assembly - Model Dependent

34

Case Extension Oil Seal Assembly - Model Dependent

35

Speed Sensor Retaining Bolt

36

Internal Transmission Speed Sensor

37

O-Ring Seal - ITSS to Case Extension

71

Filter Seal

72

Transmission Oil Filter Assembly - Model Dependent

73

Transmission Oil Pan Gasket

74

Chip Collector Magnet

75

Transmission Oil Pan - Model Dependent

76

Transmission Oil Pan Screw

94

Converter Housing to Case Bolt

95

Oil Cooler Quick Connector - Model Dependent

96

Oil Cooler Quick Connect Clip - Model Dependent

97

Converter Housing Access Hole Plug - Model Dependent

98

Converter Bolt Inspection Plate - Model Dependent

 

2004 Hummer H2 

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