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Home >> Chevrolet >> 2021 >> Trailblazer RS, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Automatic Transmission - VT40 (MRG) - Description And Operation) >> Description and Operation >> Reverse (Hydraulic Circuits) >> Reverse Clutch Applies

Reverse Clutch Applies

WARNING: This page is about a different variant/trim than selected.

Manual Valve 

Mechanically controlled by the range selector lever, the manual valve is in the Park (P) position and prevents drive\reverse regulator (19) fluid pressure from the clutch regulator valve from entering the drive (18) and reverse (22) fluid circuits.

#4 Ball Check Valve 

The #4 ball check valve remains unseated and routes reverse (22) fluid thru orifice #43 and #44 to the reverse clutch.

Reverse Clutch Assembly 

Reverse (22) fluid is routed to the reverse clutch piston to apply the reverse clutch plates.

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