Hummer H3. Manual - part 812

Tools Required

J 36850 Transjel Lubricant

Installation Procedure

Fig. 295: View Of Input Internal Gear, Reaction Shaft & Sun Shell
Courtesy of GENERAL MOTORS CORP.

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

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

2007 Hummer H3

2007 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - H3

toward 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.

INTERNAL TRANSMISSION SPEED SENSOR ROTOR REPLACEMENT

Tools Required

J 8433 Two Jaw Puller

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

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

Removal Procedure

Fig. 296: Identifying 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.

2007 Hummer H3

2007 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - H3

3. Remove the output shaft seal (691) and the output shaft sleeve (690) (model dependent)

2WD units only.

Fig. 297: Using J 8433 & J 21427-01 To Remove Internal Speed Sensor Rotor
Courtesy of GENERAL MOTORS CORP.

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

2007 Hummer H3

2007 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - H3

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

output shaft (687). See Special Tools.

Installation Procedure

Fig. 298: Pressing Internal Speed Sensor Rotor Onto Output Shaft
Courtesy of GENERAL MOTORS CORP.

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

removed.

2007 Hummer H3

2007 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - H3