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 MANUALSCHEVROLET1984BLAZER FULL SIZE V8-350 5.7LREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGCONTROL ASSEMBLYSERVICE AND REPAIR
1984 Chevrolet Blazer Full Size V8-350 5.7L
Control Assembly: Service and Repair
1984 Chevrolet Blazer Full Size V8-350 5.7LSECTION Service and Repair
C, K, R & V SERIES
1. Disconnect battery ground cable.
2. Remove instrument panel bezel. On vehicles equipped with A/C, remove radio.
3. Remove control assembly to instrument panel attaching screws, then lower assembly to gain access to harness leads and control cables.
4. Disconnect control cables and harness leads. Be careful not to kink control cables during replacement procedure.
5. Remove control unit.
6. Reverse procedure to install. When installing replacement unit, blower switch must be transferred from old control.
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.