Why does my Porsche 997 have a bad alternator?
Early 997s have a very common issue that mimics a bad alternator. Before you start throwing parts at your car to try to fix it, follow these steps to do it once, and do it right. This article applies to the Porsche 997 (2005-2012).
Why does my Porsche 997 battery keep dying?
Lead/acid batteries, found in 99.9% of cars including the 997, are very picky about how much charge they have. If they are ever discharged fully, a chemical reaction known as sulfation occurs, and the capacity of the battery is reduced and cannot be brought back.
Why is my Porsche 997 sitting in my garage?
For many owners, their Porsche 997 is a second or third (or fourth) car that doesn’t get daily duty. Some end up sitting in a garage for weeks at a time between uses, and this can wreak havoc inside the car’s battery. Lead/acid batteries, found in 99.9% of cars including the 997, are very picky about how much charge they have.
Do you need to take care of your Porsche 997?
Like any part of your Porsche 997, the battery needs attention and proper care. Follow these steps to keep it in good working order. This article applies to the Porsche 997 (2005-2012). For many owners, their Porsche 997 is a second or third (or fourth) car that doesn’t get daily duty.
Why is my Porsche 911 alternator leaking acid?
If your battery appears to be leaking, then your voltage regulator has probably failed. The battery will usually only leak acid if it has been overcharged at a much higher voltage. If the voltage measured at the battery is more than 16 or 17 volts, then the regulator is probably bad.
What should the voltage be on a Porsche 911 alternator?
The next item to check is the voltage at the battery. This should read a little more than 12 volts with the engine off. When the car is running, the voltage should read at in the range of 13.5 to 14.5 volts with the engine at 2000 rpm.
What’s the problem with the battery cable on a Porsche 997?
The Porsche 997 and 997 have an issue with resistance building in the battery cable that connects to the alternator and starter, when the engine is warm the starting begins to weaken to a point where you have to wait a few seconds-minutes between starts. This video covers the replacement of the battery cable with a new OEM unit.
When did Porsche 997 have slow cranking condition?
This article applies to the Porsche 997 (2005-2012). Your battery and alternator pass every test you can throw at them, yet your 997 still has a slow cranking condition, especially when the engine is already up to operating temperature. It turns out that this is an extremely common issue for early models, specifically from ’05 and ’06.