RAM 3500 HD Truck 2WD L6-6.7L DSL Turbo VIN A (2007)
Cruise Control Servo: Description and Operation
Description
DESCRIPTION
A speed control servo is not used with any 3.7L V-6, 5.7L V-8 engine, or 5.9L diesel engine.
The speed control servo is attached to the bottom of the battery tray.
The servo unit consists of a solenoid valve body, and a vacuum chamber. The solenoid valve body contains three solenoids:
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Vacuum
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Vent
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Dump
The vacuum chamber contains a diaphragm with a cable attached to control the throttle linkage.
