Hummer H2. Manual - part 2314

J 36850 Transjel Lubricant 

Fig. 287: Reaction Sun Shell & Reaction Sun Gear 
Courtesy of GENERAL MOTORS CORP. 

1. Install the reaction sun shell (670) into the reaction sun gear.  

2. Depending on model, install either a thrust bearing (669A) or thrust washer (669B) as follows: 

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Install thrust washer (669B), tangs down into the holes in the reaction sun shell.  

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Install the thrust bearing (669A) using J 36850 onto the reaction carrier shaft, tangs up, towards the 
shaft.  

3. Install the input internal gear (664) and reaction carrier shaft (666) assembly into the sun gear shell. Index 

the reaction carrier shaft spline into the reaction carrier.  

4. Install the input carrier to reaction shaft thrust bearing assembly (663). 

 

2004 Hummer H2 

2004 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E (Introduction) - Hummer H2

  

INTERNAL TRANSMISSION SPEED SENSOR ROTOR REPLACEMENT 

Removal Procedure 

Tools Required 

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J 8433 Two Jaw Puller  

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J 21427-A Speedometer Gear Puller Adapter. See Special Tools and Equipment .  

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J 36352 Speed Sensor Rotor Installer Kit. See Special Tools and Equipment .  

Fig. 288: Output Shaft Seal & Output Shaft Sleeve 
Courtesy of GENERAL MOTORS CORP. 

1. Inspect the internal transmission speed sensor rotor (699) for cracks or damaged teeth.  

2. Inspect all splines on the output shaft (687) for cracks or damaged splines.  

3. Remove the output shaft seal (691) and the output shaft sleeve (690) (model dependent) 2WD units only. 

 

2004 Hummer H2 

2004 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E (Introduction) - Hummer H2

  

Fig. 289: Internal Speed Sensor Rotor & Output Shaft (Replaced If Damaged) 
Courtesy of GENERAL MOTORS CORP. 

4. If the internal speed sensor rotor (699) is damaged, replace it.  

5. Using J 8433 with J 21427-01 , remove the internal speed sensor rotor (699) from the output shaft (687).  

Installation Procedure 

 

2004 Hummer H2 

2004 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E (Introduction) - Hummer H2

  

Fig. 290: Internal Speed Sensor Rotor & Output Shaft Splines 
Courtesy of GENERAL MOTORS CORP. 

1. Slip a new internal speed sensor rotor (699) over the output shaft splines.  

2. Install the J 36352-4 in the groove on the output shaft (687). See Special Tools and Equipment .  

3. Place the J 36352-6 on the output shaft (687). Press on the J 36352-6 until it contacts the J 36352-4 in 

the window (the J 36352-4 will be a positive stop for the J 36352-6 ). See Special Tools and 
Equipment .  

OUTPUT SHAFT INSTALLATION 

IMPORTANT: Do not re-use an internal speed sensor rotor that has been removed.

 

2004 Hummer H2 

2004 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E (Introduction) - Hummer H2