Range Rover Workshop Manual - System Description and Operation ...

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ENGINE – TD6Engine MountsSystem Layout1 Right hydraulic damper2 Right engine mounting3 Left engine mounting4 Left hydraulic damper5 Vacuum supply pipe6 Engine mount damping control actuatorTwo hydraulically dampened engine mounts are fitted between the engine support brackets and engine sub-frame toreduce the level of transmitted engine vibration and noise.The damping characteristics of the mounts are regulated by controlling the rate of hydraulic fluid transfer between twointernal chambers.The system consists of two hydraulic mounts, with variable damping regulated by a vacuum, a control actuator,electric and vacuum lines. The vacuum, controlled by the electrical control actuator, is supplied via a distributor in thevacuum line between the vacuum pump and brake booster. The system is controlled by the EDC System.DESCRIPTION AND OPERATION 12-1-15
ENGINE – TD6Hydraulic Engine Mount6578491031121121314M12 77661 Vacuum connection2 Bellows3 Nozzle4 Annular channel5 Diaphragm6 Upper hydraulic chamber7 Orifice8 Upper nozzle plate9 Nozzle10 Lower nozzle plate11 Lower hydraulic chamber12 Support cup13 Spring14 ChannelOperationBy applying a vacuum, the Engine Control Module (ECM) controls the engine damping mounting in two stages :“Hard” Engine MountIn the basic setting no vacuum is applied to the hydraulic mount. The spring (13) acts on the support cup (12) to closethe U-bellows against the upper nozzle plate (8). Hydraulic fluid flows from the upper hydraulic chamber (6) via thenozzle (9), the annular channel (4) and via nozzle (3) into the lower hydraulic chamber (11).12-1-16 DESCRIPTION AND OPERATION
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Page 6 and 7: ENGINE - TD6Oil Pressure SwitchThe
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Page 11 and 12: ENGINE - TD6Cylinder Head GasketThe
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Page 15: ENGINE - TD6The oil pump is driven
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Range Rover Workshop Manual - System Description and Operation ...

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