Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1972CHEVELLE BASE, 2D CONVERTIBLE, 5.7L ENG VIN L, AUTOMATIC TRANS, TRANS MFR CD THM350REPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCRUISE CONTROL SYSTEMS
1972 Chevrolet Chevelle Base, 2D Convertible, 5.7L Eng VIN L, Automatic Trans, Trans Mfr CD THM350
Cruise Control Systems
1972 Chevrolet Chevelle Base, 2D Convertible, 5.7L Eng VIN L, Automatic Trans, Trans Mfr CD THM350SECTION Cruise Control Systems
- Description
- Operation
- Preliminary Checks
- Trouble Shooting & Diagnosis
- Will Not Engage - System Inoperative
- Does Not Cruise At Engagement Speed
- System Hunts, Pulses Or Surges
- System Does Not Disengage With Brake Pedal
- System Accelerates Or Applies Full Throttle When Engaged
- Cannot Adjust Speed Downward With Engage Button
- System Can Be Engaged At Idle By Depressing Switch, But Drops Out When Switch Is Released
- System Operates Correctly, But Vacuum Bleeds Off When System Disengaged
- Does Not Engage Or Engages At Speeds Lower Than 30 Mph
- Servo & Vacuum Check Out
- Vacuum Brake Switch
- Adjustments
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.