OEM 2006 Toyota Corolla Alternator

2006 Toyota Corolla Parts Questions & Experts Answers

• Q: How to replace the alternator on 2006 Toyota Corolla?

  A: The process of alternator replacement begins with disconnecting the negative terminal of the battery. Begin by removing the cylinder head cover No.2 for 2ZZ-GE motors and air switching valve assembly from 2ZZ-GE engines followed by engine under cover RH combined with fan and generator V belt and air pump outlet pipe requiring disconnect of air hose No. 5 through removal of its 2 bolts. The procedure to remove the generator assembly starts with eliminating the wire harness clamp (2ZZ-GE engine type) then proceeding to remove terminal cap No. 2 with the generator wire nut followed by generator connector disconnection then wire harness clamp removal before disconnecting the A/C connector and separating bolt and wire harness clamp bracket (2ZZ-GE engine type) followed by removing 2 bolts and the generator bracket No.1 (2ZZ-GE engine type) before concluding with the removal of the 2 bolts to extract the generator. The generator installation requires positioning it with two bolts while torquing bolt A to 25 N.m (250 kgf.cm, 18 ft.lbf) and Bolt B to 54 N.m (550 kgf.cm, 40 ft.lbf) for 1ZZ-FE engines or 58 N.m (590 kgf.cm, 43 ft.lbf) for 2ZZ-GE engines. Afterwards, install the wire harness clamp bracket with the bolt (2ZZ-GE engine type) at 5.4 N.m (55 kgf.cm, 48 in.lbf). After plugging in the A/C connector, the wire harness clamp needs to be installed followed by generator connector connection, then tighten the generator wire nut to 9.8 N.m (100 kgf.cm, 7 ft.lbf). The service concludes with generator bracket installation No. 1 that requires 2 bolts (2ZZ-GE engine type) at 29 N.m (296 kgf.cm, 21 ft.lbf) and wire harness clamp attachment. Place the air pump outlet pipe (2ZZ-GE engine type) by securing its 2 bolts to 7.0 N.m (71 kgf.cm, 62 in.lbf) and reconnect Air hose No. 5. The final step includes installation of the fan V belt together with the generator V belt and placement of engine under cover RH before adding the air switching valve assembly (2ZZ-GE engine type) and cylinder head cover No.2 (2ZZ-GE engine type). Finally, tighten the battery negative terminal at 54 N.m (55 kgf.cm, 48 in.lbf).