Upper and Lower Valve Bodies Disassemble

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Upper And Lower Valve Bodies

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Bolt M5 x 36 (Qty: 12)
2	Bolt M5 x 45 (Qty: 5)
3	Bolt M5 x 55
4	Control Valve Lower Body Assembly Separate the upper and lower valve bodies by carefully prying at the point indicated. Refer to Control Valve Lower Body Assembly Cleaning and Inspection .
5	Control Valve Body Spacer (w/Gasket) Plate Assembly CAUTION: Do not use the old spacer plate. Install a NEW spacer plate. Reusing an old spacer plate may cause internal transmission leaks and transmission damage.
6	Control Valve Body Ball Check Valve (Qty: 7) TIP: Note the position of the ball check valves.
7	Control Valve Upper Body Assembly TIP: Refer to Control Valve Upper Body Assembly Cleaning and Inspection .