Release the belt tensioner and the belt will tighten up as the tensioner applies pressure to the belt. As soon as the engine starts, electrical power is generated by the alternator and supplied to the battery to recharge it. August 1, 2016 Followup from the Pelican Staff: 12. Generation of electricity creates a significant amount of heat in the inner windings of the alternator. The sizes of the nuts and bolts we give may be different from what you have, so be prepared with different size sockets and wrenches. It looks like an M5 bolt, any idea of the thread pitch? Be sure to work with a cool engine and disconnect the battery before beginning. Then determine which components on that circuit is causing the draw You can isolate by removing fuses.
After 16 minutes of rest, my car is at 40mA which I read is normal. If multiple systems are not working properly, fault codes will be set. Leave the belt tensioner pulley for last. Be sure your replacement alternator has the same rating as the faulty unit. January 11, 2014 Followup from the Pelican Staff: One is likely normal.
Then route the serpentine belt across the remaining pulleys as directed by the serpentine belt routing diagram. Auto enthusiasts who love optimized car or trucks know that there's nothing more vital than having the most durable aftermarket parts for your car. If it wakes up, you will have to wait until it goes to sleep again. You need to match the one that comes out. Recycle parts, packaging and fluids when possible. Next reinstall the drive belts for more information.
In order to maintain the battery in a state of charge, a belt-driven electrical generator, generally referred to as an alternator, is bolted to the engine block. Is it worth replacing the alternator?? My car is European origin. Then, check the vehicle for fault codes. Driving at night, you may notice the instrument panel lights dim, the radio or headlights flicker. Order your alternator through AutoZone now and enjoy Same Day Store Pickup.
When this happens, your symptoms will be present when the electrical system has the highest load, like at night. Connect the battery negative cable. Vehicle models change and evolve as they grow older, so the vehicle shown in our illustrations may vary slightly from yours. To do this, thread the bolt into the bushing, and then place a 24mm socket under the bushing, using a small hammer to tap it lightly to drive the bushing flush with the mounting ear. 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. It's implied but not explicitly written. I would take it to your shop right away.
I have a new battery, less than 4 months old. Replaced v belts 2 x weeks ago. But I guess if I continue to use old alternator, it would further damage the electrical system of the car without any warning indicator. Figure 16 If reinstalling an old or used alternator, you may have to move the bushing green arrow out of mounting ear for proper a fit unto the alternator bracket. This will be your best bet when diagnosing. Covers M3, 323i, 325i, 325xi, 328i, 330i, 330xi, sedan, coupe, convertible and sport wagon models 1999-2005. So, the new alternator seems good.
They can get you the right one. Figure 17 Install the idler pulley through the alternator and fasten it to engine. Bosch created the original generator for Mercedes Benz and worked for Mercedes prior to be allowed to enter into a contract with Mercedes to provide generators. I now believe the problem is a parasitic drain. During replacement did not disconnect battery. Before installing the alternator, it is a good idea to check the alternator cooling duct for debris, leaves and other road debris that can get trapped in the duct, preventing proper alternator cooling.
Top-notch capacity and road performance are supported by first-rate components and accessories. Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Alternator stock in-person! I opened a post in our forums. If something seems different, let us know and share your info to help other users. Hook up workday well after all it was now a new alternator. The tensioner on the 3.
I have a oart no. Make sure the new belt is properly seated in all the pulleys. They can help you find the right part. Align tabs on bulb base to cutouts on rear of lens assembly. Please note: This alternator is built by one of two world-class vendors. This information is only a summary. I took it to the shop and it was the alternator.
New main drive belt is included. The new alt only has 1 connection which do I use? It will have the procedure, special tools and torque specs. When the alternator can no longer charge the battery, you may park your vehicle and not be able to start it. If you cannot find a serpentine belt routing diagram, take a notepad and pen and draw out the exact routing diagram of the old belt across the pulleys. Remove the belt from the remaining pulleys and pull the belt from the engine compartment. A year later the alternator is charging less at 12. June 20, 2013 Followup from the Pelican Staff: Thanks for the info and feedback.