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 MANUALSBUICK1982LESABRE ESTATE WAGON V8-307 5.0LREPAIR AND DIAGNOSISCRUISE CONTROLCRUISE CONTROL SERVODESCRIPTION AND OPERATION
1982 Buick LeSabre Estate Wagon V8-307 5.0L
Cruise Control Servo: Description and Operation
1982 Buick LeSabre Estate Wagon V8-307 5.0LSECTION Description and Operation
This unit is a variable position diaphragm assembly that positions the throttle when the cruise control system is activated. Controlled vacuum from the regulator is applied to the servo and atmospheric pressure moves the diaphragm and linkage, positioning and holding the throttle to desired cruise speed.
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.