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Replacing a Car Alternator

Model: (Various brands) Various
Part: Alternator

In this video, you will see how to replace the alternator on a generic car. In fact, on most cars, the disassembly procedure is quite similar: essentially, you will loosen the two mounting bolts of the alternator and the tension bolt of the belt; in other cases, you will need to loosen the tensioner, remove the belt, and unscrew the alternator bolts. From underneath, pull the tensioner to relieve the tension: then remove the belt and unscrew the alternator bolts to extract it! To reassemble, insert the alternator and tension the tensioner to refit the belt.

Updated on 21 March 2026 by ScegliAuto

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If the lever that unlocks the bonnet of the Renault Megane is broken or not functioning, there is an emergency procedure to unlock the mechanism: remove the right front grille located at the top of the bumper. Once the grille is removed, you can locate the actuator mechanism: by pulling the spring in this position, you can unlock the actuator, allowing you to lift the bonnet and access the components located inside the engine compartment. You can then close the bonnet simply by lowering it.

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