Chevrolet Equinox manuals

Chevrolet Equinox Service Manual: Neutral - Engine Running (Gen 2/Hybrid) Automatic Transmission Unit

Chevrolet Equinox Service Manual / Powertrain / Transmission/Transaxle / Neutral - Engine Running (Gen 2/Hybrid) Automatic Transmission Unit

When the gear selector is moved to the Neutral (N) position,the hydraulic and electrical system operation is identical to Park(P) range. However, if Neutral is selected after the vehicle wasoperating in Reverse (R), the normally-low 35R pressure controlsolenoid is commanded OFF and the following changes would occur inthe hydraulic system.

3-5 Reverse Clutch Releases

Manual Valve

The manual valve is moved to the Neutral position and blocksline pressure from entering the reverse fluid circuit. Reversefluid, from the 3-5-reverse clutch regulator valve, the clutchselect valve, and the default override valve is opened to anexhaust passage at the manual valve.

35R Pressure Control Solenoid

The 35R PC solenoid is commanded OFF allowing PCS 35 reverseclutch fluid from the 3-5-reverse clutch regulator valve toexhaust.

3-5-Reverse Clutch Regulator Valve

PCS 35 reverse clutch fluid exhausts, allowing 3-5-reverseclutch regulator valve spring force to move the 3-5-reverse clutchregulator valve to the released position. This allows exhausting 35reverse clutch fluid pressure to pass into the exhaust backfillcircuit in order to assist the 3-5-reverse clutch piston spring toquickly release the 3-5-reverse clutch.

3-5-Reverse Clutch

3-5-reverse clutch spring force, assisted by exhaust backfillpressure, moves the 3-5-reverse clutch piston to release the3-5-reverse clutch plates and force 35 reverse clutch fluid toexhaust from the 3-5-reverse and 4-5-6 clutch housing assembly. Theexhausting 35 reverse clutch fluid pressure is routed to the3-5-reverse clutch regulator valve where it enters the exhaustbackfill circuit.

Clutch Select Valve

When reverse fluid exhausts from the clutch select shuttlevalve, shift solenoid fluid continues to hold the clutch selectvalve against clutch select valve spring force allowing 35 reverseclutch feed fluid to exhaust into the reverse circuit.

Neutral – EngineRunning-–-Gen 2/Hybrid

Neutral - Engine Running (Gen 2/Hybrid) Automatic Transmission Unit


Neutral - Engine Running Automatic Transmission Unit
When the gear selector is moved to the Neutral (N) position, the hydraulic and electricalsystem operation is identical to Park (P) range. However, if Neutral is selected afterthe vehicle was operating ...

Park - Engine Running (Gen 2/Hybrid) Automatic Transmission Unit
When the gear selector lever is in the Park (P) position,fluid is drawn into the pump through the transmission fluid filterassembly. Line pressure is then directed to the followingvalves:Fluid Pressur ...

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