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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Automatic Transmission - AF40-6) >> Description and Operation >> Transmission System Description and Operation >> Hydraulic >> Overview SLT and SLU Solenoids

Overview SLT and SLU Solenoids

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Fig 1: Locating Solenoid Valves SLU & SLT
GM2018884Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
1 On
2 Off
3 Ex
slu Solenoid Valve SLU
slt Solenoid Valve SLT
SLT and SLU Solenoids

Abbreviation Abbreviation Expanded Task
SLT Throttle linear solenoid Regulates the system pressure. Also used to slip in B2, which does not have its own solenoid. The system pressure is regulated so that is not higher than is needed for any friction element in order to reduce energy loss.
SLU Lock up linear solenoid Regulates the pressure to the torque converter clutch.