First check the belt. If it is loose then tighten it until you have a 1/2 " deflection at dead center. If the belt is frayed or looks bad, replace it. Check the voltage output at the battery posts with a multimeter set to DC voltage in the 20 volt range engine idling. You should get from 13.5 to 16 volts. Any more or less and the alternator is bad.
Later vehicles use a flat belt in place of the v belt. If there is not an auto adjust system, adjust the belt so that just 90o of twist can be achieved in the longest free part of the belt. Before you condemn the alternator check that all the grounding cable connections between the battery and engine/transmission and the body are clean and tight.
You will need to loosen the alternator belt with the tensioner pulley. When the tensioner pulley is loose the alternator belt will become loose. Put the new alternator belt on and tighten the tensioner pulley.
You need to remove the serpentine belt and unbolt the old alternator. Bolt on the new one and reinstall the belt. Its that easy.
It should be self adjusting, if it is slipping it could mean you need a new belt or a new belt tensioner.
Loosen the alternator tensioner bolt. The alternator belt will become loose. Remove the alternator belt. Put the new alternator belt on and reverse the process.
Any auto parts store where you will go to buy a new alternator can tell you what you need.
You will need to remove the alternator belt. Remove the wiring harness from the back of the alternator. Remove the alternator retaining bolts. Reverse the process to install your new alternator.
Yes.
Begin by removing the alternator tensioner bolt. Slide the alternator to the left. Remove the alternator belt. Reverse the process to install the new alternator belt.
Loosen the tensioner bolt on your alternator. Slide the alternator to the left. Remove the alternator belt. Put the new alternator belt on and tighten the tensioner bolt.
Disconnect the batery cable from the battery while the vehicle is running, if it dies, you need a new alternator there, buddy.
The alternator belt on a 1994 Eclipse is replaced by loosening the alternator bolts, moving the alternator downward, and slipping the belt off. A new belt is then routed around the other accessories, placed on the alternator, and the bolts tightened.
Possibly and it can be the drive belt making a noise. It you hear a whine it is likely the alternator bearings are shot. You can remove the alternator and have it tested at most auto parts stores, after you make sure the belt is good.