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 MANUALSCHEVROLET1983BLAZER FULL SIZE V8-379 6.2L DSLREPAIR AND DIAGNOSISCRUISE CONTROLBRAKE SWITCH (CRUISE CONTROL)TESTING AND INSPECTION
1983 Chevrolet Blazer Full Size V8-379 6.2L DSL
Brake Switch (Cruise Control): Testing and Inspection
1983 Chevrolet Blazer Full Size V8-379 6.2L DSLSECTION Testing and Inspection
1. Disconnect vacuum hose from valve and connect a suitable vacuum pump with an integral gauge to valve.
2. With pedal in released position, apply approximately 14 inches of vacuum to valve, then observe gauge.
3. If valve loses more than 5 inches of vacuum in one minute, valve is defective.
4. With vacuum applied to valve, depress pedal. If valve does not release vacuum when pedal is depressed, valve is defective.
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.