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To replace the heater actuator on a 1991 Oldsmobile Silhouette, first, disconnect the negative battery terminal for safety. Then, remove the dashboard panels and any necessary components to access the actuator, which is typically located behind the dashboard near the heater core. Disconnect the electrical connector and remove the screws holding the actuator in place. Install the new actuator by reversing the steps, ensuring everything is securely fastened before reassembling the dashboard.

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2w ago

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