4-5-6-7-8-9-10 Reverse Clutch Releases
WARNING: This page is about a different car, the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, 2018 Cadillac Escalade ESV, and 2018 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
4-5-6-7-8-9-10 Reverse Clutch Regulator Valve
Shift solenoid valve 6 is signaled off allowing 456789-10R CLUTCH fluid to exhaust. EXHAUST BACKFILL pressure shifts the 4-5-6-7-8-9-10 reverse clutch regulator valve to allow 456789-10R CLUTCH fluid to exhaust into CLUTCH EXHAUST fluid circuit from the clutch regulator valve and the 4-5-6-7-8-9-10 reverse clutch assembly housing.