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 MANUALSCHEVROLET1985IMPALA 4.3 Z, 700R4/MD8REPAIR AND DIAGNOSIS (SINGLE PAGE)HEATING, VENTILATION & A/C (HVAC)HVAC CONTROL SYSTEMSHEATER SYSTEMREMOVAL & INSTALLATIONBLOWER MOTOR
1985 Chevrolet Impala 4.3 Z, 700R4/MD8
Blower Motor
1985 Chevrolet Impala 4.3 Z, 700R4/MD8SECTION Blower Motor
- Disconnect battery negative cable and electrical wires at blower motor. On "G" and "B" body vehicles with diesel engines, remove cowl insulator. Remove blower motor cooling tube on "F" bodies or plastic water shield from right side of cowl on "J" bodies. On "P" bodies, remove blower motor cooling tube.
- Scribe blower motor to housing position. Remove retaining screws and remove blower motor with fan. Pry flange away from housing (if necessary) and remove blower assembly. To install, reverse removal procedure and replace sealing material at motor flange if necessary. Make sure the scribe marks made upon removal are aligned.
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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.