Hummer H2. Manual - part 2581

Fig. 292: Identifying Electrical Components In Valve Body 
Courtesy of GENERAL MOTORS CORP. 

17. Snap the wiring harness in place on the valve body bolts. Ensure the harness loom tab is located under the 

TFP switch.  

18. Install the wiring connectors to the electrical components as indicated by the following list: 

z

1 - Transmission Fluid Pressure (TFP) manual valve position switch  

z

2 - 1-2 Shift Solenoid  

z

3 - 2-3 Shift Solenoid  

z

4 - Pressure Control Solenoid (PCS)  

z

5 - Torque Converter Clutch Pulse Width Modulation (TCC PWM) Solenoid  

z

6 - 3-2 Shift Solenoid  

 

2004 Hummer H2 

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

  

MANUAL DETENT SPRING INSTALLATION

Fig. 293: View Of Manual Detent Spring Assembly 
Courtesy of GENERAL MOTORS CORP. 

1. Inspect the manual detent spring assembly (63) for cracks or damage.  

2. Install the manual detent spring assembly (63). 

3. Install the manual detent spring bolt (64). 

Tighten: Tighten the bolt to 20-27 N.m (15-20 lb ft). 

SECONDARY FLUID PUMP ASSEMBLY INSTALLATION (M33 MODEL ONLY) 

NOTE:

Refer to Fastener Notice in Cautions and Notices.

 

2004 Hummer H2 

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

  

Tools Required 

J 41510 T-50 Plus Bit. See Special Tools and Equipment . 

Installation Procedure 

Fig. 294: Identifying Secondary Fluid Pump 
Courtesy of GENERAL MOTORS CORP. 

1. Install the secondary fluid pump to the valve body. 

IMPORTANT: Be sure check ball is in the proper place before the secondary fluid pump 

is bolted on to the valve body.

 

2004 Hummer H2 

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

  

2. Install the secondary fluid pump bolts (109, 110). 

Tighten: Tighten the secondary fluid pump bolts to 11-14 N.m (8-10 lb ft). 

Fig. 295: View Of Wiring Harness Connector For Secondary Fluid Pump 
Courtesy of GENERAL MOTORS CORP. 

NOTE:

Refer to Fastener Notice in Cautions and Notices.

IMPORTANT: Wiring harness connector for the secondary fluid pump must pass under 

the pump bracket as shown.

 

2004 Hummer H2 

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