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Home >> Cadillac >> 2008 >> Escalade RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 59 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - Introduction (2 Of 2)) >> Description and Operation >> Automatic Transmission Hydraulic Diagrams >> Overdrive Range, Second Gear >> 3-4 Relay Valve and 4-3 Sequence Valve

3-4 Relay Valve and 4-3 Sequence Valve

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Spring force holds these valves in the downshift position (first, second and third gear positions). The 2nd fluid is blocked by the 3-4 relay valve and the servo feed fluid is blocked by both valves in preparation for a 3-4 upshift.

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