Hummer H3. Manual — part 836

Fig. 382: Installing O-Ring Seal & Oil Seal Ring
Courtesy of GENERAL MOTORS CORP.

3. Install an O-ring seal (202) and oil seal ring (201) into the groove on the back side of the

pump slide (203).

4. Use J 36850 or an equivalent, to retain the seal and the ring on the slide.

5. Install the pivot pin spring (204) into the pump body pocket.

6. Install the seal support (208) and the pump slide seal (209) into the pump slide (203).

Retain with J 36850 or equivalent.

7. Install the pump slide (203).

2007 Hummer H3

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

The oil seal ring must face downward into the pump pocket.

8. Install the pivot pin (205), index the slide notch with the pivot pin.

Fig. 383: Installing Fluid Pump Slide Outer Spring
Courtesy of GENERAL MOTORS CORP.

9. Install the fluid pump slide outer spring (245).

2007 Hummer H3

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

Fig. 384: Identifying Pump Vane Ring, Rotor Guide & Rotor
Courtesy of GENERAL MOTORS CORP.

10. Install the rotor guide (211) and the bottom pump vane ring (210) into the rotor (212) and

retain with J 36850 or an equivalent.

2007 Hummer H3

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

11. Install the rotor (212) with the rotor guide (211) toward the pump pocket.

12. Install the pump vanes (213). Ensure the vanes are flush with the oil pump body surface.

13. Install the top pump vane ring (210).

OIL PUMP COVER DISASSEMBLE

2007 Hummer H3

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