Speed Control Servo

Fig 1: Identifying Speed Control Components

Courtesy of CHRYSLER LLC

1 - Air Cleaner Box

2 - Vacuum Line

3 - Speed Control Servo

4 - Cross Support

5 - Electrical. Connector

6 - Servo Mounting Bracket

7 - Servo Mounting Bolt

8 - Vacuum Reservoir Mounting Bolt

9 - Vacuum Reservoir

A speed control servo is used only with 3.7L V-6 or 4.7L V-8 engines.

The speed control servo (3) is located in the engine compartment and is attached to the cross-support (4).

The servo unit consists of a solenoid valve body, and a vacuum chamber. The solenoid valve body contains three solenoids:

The vacuum chamber contains a diaphragm with a cable attached to control the throttle linkage.