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Home >> Chevrolet >> 2018 >> Equinox L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Automatic Transmission - 9T45 (M3U) Or 9T50 (M3D M3H) - Description And Operation) >> Description And Operation >> Drive Range, First Gear (Hydraulic Circuits With ETRS) >> Fluid Pressure Is Directed To The 1-2-3-4-5-6 Clutch Assembly

Fluid Pressure Is Directed To The 1-2-3-4-5-6 Clutch Assembly

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

VFS S4 Solenoid 

The VFS S4 solenoid is energized off. Spring pressure shifts the 4th clutch regulator valve and the mode 2 ETRS valve to allow S4 VFS SIG fluid to exhaust thru orifice #2.

Clutch Selector Valve 

DRIVE fluid is directed thru the clutch selector valve and into the DRIVE 2 fluid circuit which is directed to the 3-8 clutch regulator valve, 4th clutch regulator valve, feed limit valve, TCC regulator apply valve, latch valve, #9 ball check valve and mode 2 ETRS valve.

Latch Valve 

DRIVE 2 fluid is directed thru the latch valve and into the 1 REV/6789 LATCH fluid circuit which is directed to the #5 ball check valve.

#5 Ball Check Valve 

1 REV/6789 LATCH fluid seats the #5 ball check valve against the 6789 CLUTCH fluid circuit allowing 1 REV/6789 LATCH fluid to enter the LATCH fluid circuit. LATCH fluid is directed to the clutch select valve applying pressure with the clutch select valve spring force.

Mode 2 ETRS Valve 

DRIVE 2 fluid is directed thru orifice #65 and into the mode 2 ETRS valve applying pressure with the mode 2 ETRS valve spring force.