Hummer H3. Manual — part 790

Fig. 215: Identifying Valve Body Gasket
Courtesy of GENERAL MOTORS CORP.

18. Remove the valve body gasket (52), the valve body spacer plate (48) and the case gasket

(47).

Discard gaskets. Do not reuse.

IMPORTANT: Some models use a bonded spacer plate (48). Do not reuse

the bonded spacer plate. Replace with a NEW bonded spacer
plate.

2007 Hummer H3

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

Fig. 216: View Of 3-4 Accumulator Piston & Seal Assembly
Courtesy of GENERAL MOTORS CORP.

19. Remove the 3-4 accumulator spring (46) and the 3-4 accumulator piston (44).

IMPORTANT: Some models do not use a 3-4 accumulator spring (46).

2007 Hummer H3

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

Fig. 217: Locating #1 Checkball
Courtesy of GENERAL MOTORS CORP.

20. Remove the #1 case ball check valve.

TURBINE SHAFT O-RING REMOVAL

NOTE:

Do not use a magnet in order to remove the control valve body
ball check valves. This may magnetize the control valve body
ball check valves, causing metal particles to stick to them.

2007 Hummer H3

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

Fig. 218: Identifying Turbine Shaft O-Ring
Courtesy of GENERAL MOTORS CORP.

Remove the O-ring (618) from the turbine shaft. O-Ring location is model dependent.

TRANSMISSION END PLAY CHECK

Tools Required

J 25022 End Play Fixture Adapter (245 mm and 258 mm). See Special Tools.

J 34725 End Play Checking Adapter (298 mm). See Special Tools.

J 43205 End Play Fixture Adapter (300 mm). See Special Tools.

J 24773-A Oil Pump Remover. See Special Tools.

J 8001 Dial Indicator Set

2007 Hummer H3

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