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Chevrolet Equinox Service Manual: Non-Shifting Clutch Function Verification Description Automatic Transmission Unit

Chevrolet Equinox Service Manual / Powertrain / Transmission/Transaxle / Non-Shifting Clutch Function Verification Description Automatic Transmission Unit

The 6T70/75 transmission uses a pressure control system to apply and release clutchesduring shifts. The transmission control module (TCM) controls pressure commands tothe pressure control solenoids.

As normal wear of the transmission clutches occur, the TCM performs a clutch functionverification. The TCM momentarily commands a clutch on at a low pressure. The clutchfunction verification is conducted on smooth roads when the transmission is not shiftingand engine torque is consistent and positive.

When a clutch function verification is occurring, a slight bump or drag may be detectedmomentarily. The clutch function verification will occur a few times over severalminutes and will not repeat again for a thousand or more miles. This is a normalcondition and no repair attempts should be performed.

The clutch function verification will be performed sooner for a particular clutchif the TCM detects it is producing frequent poor shift control.

Transmission Adaptive Functions Automatic Transmission Unit
The 6T30/40/45/50 transmission utilizes a line pressure control system during upshiftsto compensate for the normal wear of transmission components. As the apply componentswithin the transmission wear ...

Transmission Adaptive Functions Automatic Transmission Unit
The 6T70/75 transmission utilizes a line pressure controlsystem during upshifts to compensate for the normal wear oftransmission components. As the apply components within thetransmission wear or chan ...

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Dimensions - Body
DescriptionPoint-to-Point Measurements are for reference only. Allmeasurements are given in millimeters. Use these measurements fordiagnosis and estimating. Point-to-Point measurements areduplicated with tram bar pointers set at equal lengths. All diemarks, holes, slots and fasteners are measured to ...

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