What to do if your Porsche 911 alternator breaks?
If not, then retighten it, according to the procedures outlined in Pelican Technical Article: Fan Belt Replacement. Modern fan belts rarely break, but they get brittle and glazed with age, and can slip on their pulleys. Replace it with a new one. The next item to check is the voltage at the battery.
Where are the brushes on a Porsche alternator?
On a side note, almost every Porsche parts diagram has the brushes mislabeled as a ‘support.’ There must have been something lost in the translation from German! Remove the brushes by unscrewing the small assembly from the back of the alternator, and inspect them to see if they are significantly worn.
What should I do if my alternator has failed?
The following guidelines are useful for troubleshooting your alternator: Alternator indicator lamp is on with the ignition key off. Alternator has failed, and diodes have shorted out. Replace alternator and in the meantime, disconnect battery to prevent it from becoming completely drained.
When does a Porsche 911 battery leak acid?
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. If your battery has boiled over and has acid overflowing out the top, make sure that you clean up any spilled acid immediately.
If not, then retighten it, according to the procedures outlined in Pelican Technical Article: Fan Belt Replacement. Modern fan belts rarely break, but they get brittle and glazed with age, and can slip on their pulleys. Replace it with a new one. The next item to check is the voltage at the battery.
Can a car run without an alternator belt?
A vehicle can often run without a working alternator for a bit of time, but not for long. If the belt is too loose to maintain grip on the alternator pulley, you may experience a similar symptom as a snapped belt.
On a side note, almost every Porsche parts diagram has the brushes mislabeled as a ‘support.’ There must have been something lost in the translation from German! Remove the brushes by unscrewing the small assembly from the back of the alternator, and inspect them to see if they are significantly worn.
How much does it cost to replace an alternator belt?
Unfortunately, the battery will die within minutes because it doesn’t have enough power to sustain all the vehicle’s energy needs by itself. The replacement cost of an alternator belt is typically between $100 and $200. The part cost is between $25 and $80 while the labor cost is between $75 and $120.
Can you replace a fan in a Porsche 911?
It is recommended to replace the bolts into their original holes while working on the car. That way, you usually don’t lose the bolt and the washers that are associated with it. The next step is to loosen the retaining band that holds the fan housing to the case and fiberglass shroud.
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. If your battery has boiled over and has acid overflowing out the top, make sure that you clean up any spilled acid immediately.
It is recommended to replace the bolts into their original holes while working on the car. That way, you usually don’t lose the bolt and the washers that are associated with it. The next step is to loosen the retaining band that holds the fan housing to the case and fiberglass shroud.
What is the Bosch number on a Porsche alternator?
My suspicion was the voltage regulator built into the alternator reducing the voltage as it got hot. Finding a voltage regulator. Through various sources I found and confirmed that the Bosch number for the regulator in the Porsche alternator is F-00M-145-225.
How much does it cost to rebuild a Porsche alternator?
A rebuilt alternator is about $300, a new Porsche one is listed as being over $1000! If anyone has any criticism, comments, or anything to add then please let me know. One other comment on the differences between alternators should you need a new one.
Can you remove the alternator from a Porsche 911?
To remove the fan and the alternator on a 911, you do not need to remove the engine from the car. However, for the 914-6, it is impossible to remove the alternator without removing either the engine, or the fuel injection (Weber carbs, etc.).
My suspicion was the voltage regulator built into the alternator reducing the voltage as it got hot. Finding a voltage regulator. Through various sources I found and confirmed that the Bosch number for the regulator in the Porsche alternator is F-00M-145-225.
When does a Porsche Boxster alternator go bad?
If the voltage measured at the battery is more than 16 or 17 volts when the engine is running, then the regulator is probably bad. If your battery has boiled over and has acid overflowing out the top, make sure that you clean up any spilled acid immediately.
What to do if your Porsche 911 fan won’t turn?
If you are having difficulty keeping the fan from turning, use a screw driver inserted into the holes of the pulley or use the special Porsche pulley retaining tool. This tool was supposed to have shipped with the 911 toolkit as standard equipment.