Hummer H2. Manual — part 2540
J 36850 Transjel Lubricant. See Special Tools and Equipment .
Installation Procedure
Fig. 132: Installing Reaction Sun Shell Into 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.
2004 Hummer H2
2004 TRANSMISSION/TRANSAXLE Automatic Transmission - Overhaul - 4L60-E/4L65-E
4. Install the input carrier to reaction shaft thrust bearing assembly (663).
INTERNAL TRANSMISSION SPEED SENSOR ROTOR REPLACEMENT
Removal Procedure
Tools Required
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J 8433 Two Jaw Puller. See Special Tools and Equipment .
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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. 133: 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.
3. Remove the output shaft seal (691) and the output shaft sleeve (690) (model dependent) 2WD units only.
2004 Hummer H2
2004 TRANSMISSION/TRANSAXLE Automatic Transmission - Overhaul - 4L60-E/4L65-E
Fig. 134: 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.
5. Using J 8433 withJ 21427-01 , remove the internal speed sensor rotor (699) from the output shaft (687).
Installation Procedure
2004 Hummer H2
2004 TRANSMISSION/TRANSAXLE Automatic Transmission - Overhaul - 4L60-E/4L65-E
Fig. 135: Pressing Internal Speed Sensor Rotor Onto Output Shaft
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).
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 ).
OUTPUT SHAFT INSTALLATION
Tools Required
IMPORTANT: Do not re-use an internal speed sensor rotor that has been removed.
2004 Hummer H2
2004 TRANSMISSION/TRANSAXLE Automatic Transmission - Overhaul - 4L60-E/4L65-E
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