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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 22 (Automatic Transmission - 6T40 - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> Control Valve Body Cleaning and Inspection (Gen 2)

Control Valve Body Cleaning and Inspection (Gen 2)

WARNING: This page is about a different variant/trim than selected.
Fig 1: Control Valve Body Cleaning and Inspection (Gen 2)
GM2552973Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
WARNING:

Valve springs can be tightly compressed. Use care when removing retainers and plugs. Personal injury could result.

CAUTION:

After cleaning the transmission components, allow to air dry. Do not use cloth or paper towels in order to dry any transmission components. Lint from the towels can cause component failure.

CAUTION:

Do not reuse cleaning solvents. Previously used solvents may deposit sediment which may damage the component.

Preliminary Procedure Clean and inspect all valve components and the valve body. The control valve body assembly is only replaceable as an assembly.
1 Low-Reverse and 4-5-6 Clutch Boost Valve Train
2 Low-Reverse and 4-5-6 Clutch Regulator Valve Train
3 1-2-3-4 Clutch Boost Valve Train
4 1-2-3-4 Clutch Regulator Valve Train
5 2-6 Clutch Regulator Valve Train
6 3-5-Reverse Clutch Regulator Valve Train
7 Default Override Valve Train
8 TCC Regulator Apply Valve Train
9 Clutch Select Valve Train
10 Actuator Feed Limit Valve Train
11 Manual Valve