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Home >> Land Rover >> 2017 >> Discovery Sport SE >> Repair and Diagnosis >> External Pages >> Different car >> Section 10 (Automatic Transmission/Transaxle -- Discovery Sport/L550) >> Automatic Transmission/Transaxle >> Transmission Description >> Description And Operation >> Component Description >> Valve Block

Valve Block

WARNING: This page is about a different car, the 2018 Land Rover Discovery Sport. However, it is still accessible from the selected car via links, so may be relevant.

The valve block is located in a vertical position at the front of the transmission main casing, behind a sealed cover. The valve block contains a number of solenoids and spool valves to control the transmission operation. The solenoids are controlled by the TCM to provide gear changes and smooth transition between ratio changes.

If the TCM or the valve block is replaced, a diagnostic routine using an approved Land Rover diagnostic system will be required to calibrate the TCM.

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