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Ford F-100-F-350 & Bronco Cruise Control Servo Installation & Tests 37-01-10
Reference · 1978-1979 BroncoAll 48 service procedures
Ford shop-manual figure (section 37-01-10) showing cruise-control servo, bracket, valve/hose assembly and vacuum routing for 351/400 CID and 460 CID engines on F-100-F-350 and Bronco.
Part of 1978-1979 Ford Bronco Service Procedures
This is page 37-01-10 of a Ford factory service manual section covering the Speed Control (cruise control) System for F-100 through F-350 trucks and the Bronco. The page centers on FIG. 10, 'Servo and Bracket Installation: F-100, F-350 and Bronco,' showing two exploded illustrations: one for 5.8L and 6.6L (351 and 400 C.I.D.) engines and one for the 7.5L (460 C.I.D.) engine. Callouts identify the valve and hose assembly, vacuum fitting, bracket, connector and speed adjuster, accelerator shaft, actuator arm, and servo and bracket assembly, with detail Views A and B of the servo units. Surrounding text (much of it faded) covers diagnostic procedures: a sensor/servo test using an ohmmeter (approximately 40 ohms and 85 ohms readings, wire 754 Orange-Yellow Hash, wire 825 Gray-Black Hash), an amplifier test, ON/OFF circuit tests using a voltmeter on the Light Blue-Black Hash wire (151), a Set-Accelerate circuit test, a Coast circuit test, and a Road Test procedure including a safety note about shifting into neutral if the system overspeeds, and steps such as pressing the COAST button to decelerate to 35 mph and pressing the brake pedal to shut the system off.
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Frequently asked questions
- Which engines does the servo and bracket installation diagram cover?
- It shows two versions: one for the 5.8L and 6.6L (351 and 400 C.I.D.) engines and one for the 7.5L (460 C.I.D.) engine.
- What vehicles does Figure 10 apply to?
- The caption reads 'FIG. 10 Servo and Bracket Installation, F-100, F-350 and Bronco.'
- What components are called out on the speed control servo diagrams?
- Valve and hose assembly, vacuum fitting, bracket, connector and speed adjuster, accelerator shaft, actuator arm, and servo and bracket assembly, with detail Views A and B.
- What safety warning is given for the road test?
- If at any time during the road test steps the system appears to go out of control and overspeed, be prepared to shift the transmission into neutral or turn the system off with the OFF button.
- What happens when the COAST button is pressed during the road test?
- The engine should decelerate and slow to 35 mph; releasing the COAST button should hold the speed, and pressing the brake pedal should shut the system off.
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