Editing Alternator (section)

==Alternator Problem Diagnosis==

Common failures:

Regulator & Rectifier failure:

Battery lights flash on dash, headlights flash on when trying to start. When checking the voltage across the battery terminals readings are usually  less then 12v, or can be open circuit and go high voltage 18v. This can have a detrimental affect on the battery - boils the acid/fluid if too high. Easiest solution - Remove the alternator and get checked by auto electrician. 


The battery warning light on dash and flashing headlights can also be caused by a flat battery. There is a clicking as the solenoid etc click over but the engine will not start.


Bearing Failure for S2 111s and other model with 4-2-1 exhaust:

Due to the additional width of the 4-2-1 pipes, failure of the rear bearing is not uncommon.
The heat from the pipes cooks the grease until the bearing runs dry and very loud.
Noise produced sounds like metal grinding against metal.



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