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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1982 Mercury Cougar/XR7 V8-255 4.2L
Cruise Control: Adjustments
1982 Mercury Cougar/XR7 V8-255 4.2LSECTION Adjustments
BEAD CHAIN ADJUSTMENT
This adjustment should be made to remove as much slack as possible from the chain without restricting the carburetor lever from returning to the idle speed position. On vehicles equipped with a solenoid throttle positioner, the adjustment should be performed with the throttle positioner disengaged.
VACUUM DUMP VALVE
The vacuum dump valve is mounted on a movable mounting bracket. The valve should be adjusted so that it is closed when the brake pedal is not depressed and open when the brake pedal is depressed.
ACTUATOR CABLE ADJUSTMENT
1. Remove cable retaining clip.
2. On all carbureted models, deactivate the throttle positioner and set carburetor at hot idle.
3. On all models, pull the actuator cable to remove slack.
4. Insert cable retaining clip while maintaining light tension on the actuator cable.
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.