Valve Assembly Overhaul

WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Valve Assembly Overhaul

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
CAUTION: Valve springs can be tightly compressed. Use care when removing retainers and plugs. Personal injury could result. Preliminary Procedures Clean and inspect all valve components and the valve body. The control valve lower body is replaceable only as an assembly. Clean and inspect the 2 encapsulated ball check valves but do not remove.
1	Auxiliary Line Boost Valve Train
2	1-3 Clutch Regulator Valve Train
3	Hybrid Direct, 2-3-4 Clutch Regulator Valve Train
4	Shift Solenoid Valve Train - Mode A
5	Shift Solenoid Valve Train - Mode B
6	Actuator Feed Limit Valve Train
7	Hybrid Low, 1-2 Clutch Regulator Valve
8	Hybrid Low, 1-2 Clutch Boost Valve Train
9	Clutch Piston Exhaust Blowoff Ball Valve Train