GM 13529304 GENERATOR Assembly

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Disconnect the cable from the negative battery terminal. Raise the vehicle and support it securely on jackstands. Remove the under-vehicle splash shield. Remove the drivebelt. For 3.2L V6 engines, remove the intake air duct mounting fasteners. Remove the alternator mounting fasteners and disconnect the alternator B+ terminal nut and electrical connector. Remove the alternator. For 2.8L, 3.0L, and 3.6L V6 engines (2007 and earlier models), install an engine support fixture or engine hoist. Disconnect the battery cable from the alternator and disconnect the electrical connector from the alternator. Disconnect the electrical connector to the Electronic Brake Control Module (EBCM) and remove the engine mount lower nuts. Remove the alternator lower mounting bolts and raise the engine enough to access the upper mounting bolt. Remove the upper mounting bolt and remove the alternator. For 2008 and later models, disconnect the battery cable from the alternator and disconnect the electrical connector from the alternator. Remove the alternator mounting bolts and remove the alternator. For V8 engines, remove the air filter housing and the radiator cooling fan. Remove the power steering pressure hose bracket fastener, if equipped. Remove the alternator mounting fasteners. Disconnect the battery cable from the alternator and disconnect the electrical connector from the alternator. Remove the alternator mounting bolts and remove the alternator. If replacing the alternator, ensure the new/rebuilt unit looks identical to the old alternator in terms of electrical terminals and identification numbers. Swap the pulley if necessary. Installation is the reverse of removal. Reconnect the cable to the negative terminal of the battery and check the charging voltage to verify the alternator is operating correctly.

Before replacing the alternator, it is recommended to have the charging system checked prior to removal; or after removal, take the alternator to a parts store or automotive electrical repair shop to check operation. Disconnect the cable from the negative battery terminal. Remove the engine cover. Remove the air filter housing and intake duct for access to the alternator. Remove the drivebell. Raise and support the front of the vehicle on jackstands. Remove the under-vehicle splash shield. Working under the vehicle, disconnect the electrical connectors from the alternator. Disconnect the alternator electrical connector and remove the nut and battery cable. For a 1.5L engine, remove the alternator mounting bolts and nut, then remove the alternator from the vehicle. Remove the bolts and nut and remove the alternator. If necessary for clearance, also remove the stud. For 2.0L and 2.5L engines, remove the lower alternator mounting bolt. Working from the top of the engine, remove the upper alternator mounting boll and nut and remove the alternator from the vehicle. For all engines, installation is reverse of removal. Tighten the alternator bolts to the specific torque. Check the charging system voltage to verify proper operation.