Provided the alternator on your 1999 Chevy Lumina is not carefulness your battery charged or has started to assemble blare when the van is running, it is day to examination and change it. Depress the locking tab on the plug-in connector and pull it absent of the alternator.4. Remove the kernel on the "B" terminal, the stud on the back of the alternator, with a wrench. Slide the brick wire with the call connector off the stud and place it aside. Replacement alternators are available at most Car parts store and whether you bring in your elderly one, they Testament Frequently bench blue book it chargeless.
Instructions
1. Remove the adverse battery cable from the battery. Loosen the retaining bolt and lift the cable off the battery terminal. Isolate the cable from the battery while you are working.
2. Place the serpentine region tensioner on the front of the engine. Exercise a socket and ratchet to rotate the tensioner counterclockwise to loosen it then remove the girdle from the alternator pulley.
3. Fix the wiring harness connections on the back of the alternator. There are two, a plug-in connector and a stud with a retaining aficionado. Metallic scraping or grinding noises outlook from the alternator instruct a damaging bearing meeting inside the position. A consistently low battery may instruct the alternator or voltage regulator is failing. In either contingency, replacement of the alternator is the cool preference.
5. Remove the front and rear mounting bolts from the alternator with a socket and ratchet. Three bolts grip the alternator in the van. Lift the alternator away of the engine compartment.
6. Position the advanced alternator on the mounting brackets and install the three mounting bolts. Tighten the bolts with a socket and ratchet.
7. Push the plug in connector from the wiring harness into the terminal on the alternator until the locking tab engages. Slide the cherry wire with the ring connector onto the "B" terminal on the back of the alternator followed by the retaining nut. Tighten the nut with a wrench or socket and ratchet.
8. Rotate the serpentine belt tensioner counterclockwise with a socket and ratchet to loosen it. Slide the serpentine belt onto the alternator pulley, then rotate the tensioner clockwise, applying tension to the belt.
9. Reinstall the negative battery cable on the negative battery terminal. Tighten the retaining bolt with a wrench.
