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 MANUALSCHEVROLET1984CORVETTE V8-350 5.7LREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGHEATER CORESERVICE AND REPAIRHEATER CORE REMOVAL
1984 Chevrolet Corvette V8-350 5.7L
Heater Core Removal
1984 Chevrolet Corvette V8-350 5.7LSECTION Heater Core Removal
Heater Core Case:
1. Open hood and disconnect the battery negative cable.
2. Remove the instrument cluster bezel including the tilt wheel lever and I.P. pad. Service and Repair
3. Remove the A/C distributor duct and disconnect the flex hose.
4. Remove the right side hush panel.
5. Remove the side window defroster flex hose.
6. Remove the side window defroster to heater cover screws and disconnect the extension.
7. Remove the temperature control cable and bracket assembly at heater cover including disconnecting heater door control shaft.
8. Remove the Electronic Control Module (ECM) and disconnect the electrical connectors.
9. Remove the tubular support brace from the door pillar to aluminum, instrument panel reinforcement brace.
10. Remove heater core cover attaching screws.
11. Remove heater pipe and heater water control bracket attaching screws.
12. Cut heater hose at heater core pipes, measure, cut and replace when reinstalling.
13. Remove the heater core.
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.