LEMON Manuals: Even more car manuals for everyone
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 >> Neutral - Engine Running (Hydraulic Circuits) >> Pressure Regulation

Pressure Regulation

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

VFS Clutch Control Solenoid D 

Drive\reverse solenoid signal (25) fluid pressure is ramped down by the VFS clutch control solenoid D duty cycle, decreasing drive\reverse solenoid signal (25) fluid pressure.

Clutch Regulator Valve 

When drive\reverse solenoid signal (25) fluid pressure decreases, fluid is routed thru orifice #40 to the clutch regulator valve and opposes valve spring force, allowing drive\reverse regulator (19) fluid into the drive\reverse feed (21) fluid circuit.