Thanks to their exacting assembly process and high level of durability you can expect a long service life from all Bosch products. One never knows when I'll have occasion to probe mine. This will be your best bet when diagnosing. Would the car need re programming after the replacement has been done? These same exacting criteria are also applied in the manufacturing of all Bosch aftermarket alternators and starters. Based on the schematic I think it could only happen if there is a shorted positive diode. Nice, bt it doesn't account for all teh wasted time.
Phil You trying to drive your car or turn it into a science project? Then the belt would not reach the pulley, short by two inches. I opened a post in our forums. Bought a new alternator o er the Internet. Torque the bolt to specs. A faulty or failing alternator can cause many problems; from a simple discharging of the battery to an engine drivability problem. Shop online, find the best price on the right product, and have it shipped right to your door.
Please report any submissions that violate our rules. Thanks to their exacting assembly process and high level of durability you can expect a long service life from all Bosch products. I tried another new Bosch same model 120amp, the red light comes on again. Any suggestions on what else to check? Actually we could not find the right ones so I bought some which were slightly larger and filed them down. Product Description Voltage regulator for any 120 amp Bosch alternator. I'm finding the same thing as before. I suppose I could do that.
Most older mechanics will tell you to keep a spare regulator in your toolbox. Most likely a voltage regulator replacement will work, but on mine it had completely failed and started smoking and make nasty noises and didn't spin well. Before performing any tests of your alternator, charge and test your battery. They can figure out what part or repair kit you need. The initial job of the battery is to power the starter motor, thus cranking the engine fast enough to start. I have a 2006 bmw 325i with battery and altenator problems.
Each piece is like brand new for your car. Upon receipt of your rebuildable alternator core, you will be refunded the core charge. Or, is the Bosch alternator incompatible? If you get lucky, your battery light charging system indicator will illuminate to warn you of a possible failure. Since the car hadn't run been run for a couple weeks, the battery was a little discharged, so I'm charging it over night. My son is getting the alternator light in his 2003 325i.
Reassemble the radiator cooling fan, air filter housing, and intake air duct. Check the operation of the charging system and alignment of the drive belts. May 5, 2015 Followup from the Pelican Staff: If you suspect the alternator is the cause, I would check charging system voltage and current. Pictures and videos taken while you are driving are strongly discouraged. Please tell me where the test point is for both his 2003 and my 1999 328i. Make sure you get the alternator with the right plug - my 2003 does not have any of the cooling ductwork not sure if the car came like that or a previous mechanic removed it. The extensive remanufacturing process includes total core disassembly, extensive component replacement and rigorous three-phase testing to ensure that every alternator delivers performance you can depend on.
Figure 17 Install the idler pulley through the alternator and fasten it to engine. Keep in mind that when your car was serviced before, parts may have been replaced with different size fasteners used in the replacement. Thanks to their quality, high durability, and reliability, you should expect a long service life from Bosch products. One never knows when I'll have occasion to probe mine. You may still have a charging system issue. Therefore right on the alternator you will see some waves. The Bosch rebuilt alternator program will be a remanufactured original equipment alternator.
When replacing alternator, you only have to remove alternator drive belt from alternator pulley and move aside, it does not have to be removed from the engine. Thanks September 3, 2018 Followup from the Pelican Staff: It is common for them to fail that way. Working in the trunk, disconnect the battery negative cable and cover the battery terminal so that the cable does not accidentally come in contact with the disconnected cable. All new alternators were originally made by Bosch and are original equipment for your vehicle. They don't show any scale but if these are more than a couple hundred millivolts I can't imagine it being the output terminal of the alternator. Thanks to their exacting assembly process and high level of durability you can expect a long service life from all Bosch products. Automatic tensioners are used to maintain belt tension and an idler pulley is used on the accessory belt to achieve proper belt wrap.
You need to confirm it is the root cause. I'll just tell him to get a rebuilt alternator. For almost 150 years the Bosch name and reputation for quality has been unsurpassed in the automotive aftermarket. January 22, 2015 Followup from the Pelican Staff: I am not sure. Thanks to their quality, high durability, and reliability, you should expect a long service life from Bosch products. It's time you switched to Carquest.
And every Bosch alternator is fully load tested to guarantee compliance with Bosch's strict performance specifications. I'm assuming the voltage should be 13. It still bugs me that those waveforms are in the book and they don't tell where the test point is. I took it to the shop and it was the alternator. A working alternator should generate close to 14 volts. Thanks September 30, 2014 Followup from the Pelican Staff: I don't have the wiring for those alternators.