Alternator Pulley Not Spinning Either Way

Alternator Pulley Inconsistent Spin (is... - Car Talk Community.
Would running a smaller alternator pulley increase it's output? - AR15.COM.
Will An Alternator Work Spinning Backward? - BatteryFever.
Under Driven 200 Amp Alternator: A Bad Idea | StangNet.
Alternator Issues on my Cay 3208- Help... - Downeast Boat Forum.
What Is an Alternator Pulley? (with pictures) - Wiki Motors.
Alternator or Alternator Decoupler Pulley or Both? | Jeep.
Alternator Rebuild DIY | Page 2 - Toyota Nation Forum.
Alternator pulley seizing ! | Audi-S.
3g alternator conversion pulley swap? - StangNet.
Jeep is stuck in parking lot. Belt/Alternator/Pulley problem?.
Direction Of Turn Of An Alternator's Pulley - CR4 Discussion.
650i not charging. New battery installed | BimmerFest BMW Forum.
How do you tighten a new pulley on the alternator?.

Alternator Pulley Inconsistent Spin (is... - Car Talk Community.

Sep 20, 2015 · Either way, the alt has to come off, along with the belt, so I'd say easier to swap out a 10-yo alt. At the time mine was failing, they wanted $75 for the pulley and a complete reman was $150/new $214. I did see the other day where someone posted a cheaper part price for the pulley than what I found. Mar 19, 2022 · Peter.C said: Not sure how to test. First, you need a new accessory belt. They are only about $20. Second, you need to loosen the accessory belt. The tensioner pulley has a 15-16 mm-ish nut, just put a socket and ratchet on it to relieve the pressure, then pin the tensioner with a small screw driver. Joined Sep 7, 2002. 2,769 Posts. #2 · Apr 13, 2004. Yes, if you replaced your stock alternator pulley with the underdrive one it's not going to charge as well. I have the same problem and am currently just living with it, but I suspect I'll do the 3G upgrade whenever I save the cash to solve this problem.

Would running a smaller alternator pulley increase it's output? - AR15.COM.

Pull the belt off and check all pulleys. Spin them by hand and see if spins easy, no rough feeling or a catch when spun. Check alternator pulley, idler pulley, tensioner pulley, PS pump pulley and A/C compressor pulley-check them all for free wheeling.... the sound is either the alternator belt (as in way too loose), or bad bearings in the.

Will An Alternator Work Spinning Backward? - BatteryFever.

At idle, yes. But alternators have an upper speed limit so you could over speed it by going with a smaller pulley. I run 27 SI Delco alternators in my diesel, it has a redline of 3600 RPM, huge 8" crank pulley with tiny 2-1/2" alternator pulleys. Yes, TWO 100 amp alternators. For 24 volt starting and glow plug operation.

Under Driven 200 Amp Alternator: A Bad Idea | StangNet.

A good OAP pulley should lock up and turn the alternator rotor when it is turned one way, but release and free-wheel when it is spun in the opposite direction. If the internal clutch mechanism is bad, the pulley may slip and fail to drive the alternator, or it may remain locked all the time – increasing noise, vibration and stress on the belt drive system.

Alternator Issues on my Cay 3208- Help... - Downeast Boat Forum.

Alternator will essentially not spin at all by hand freely, the belt was slipping and howling over it. I removed the belt to verify I could not turn the alt pulley by hand. All belts are / were correctly tensioned btw. I had done a timing belt 2 years / 12k back and everything had been smooth since then. Assuming the noise is gone, then spin all your accessory pulleys for anything loud/odd. There will probably be a bit of play in the tensioner pulley but if i'ts smooth it's fine. Should be no perceivable play in the alternator pulley. You should be able to spin it and not hear a thing either. V70 free wheel alternator pulley spin off repair advice.Design and Function of Automotive Generators and Alternators.Alternator Pulley question, please help!! |.

What Is an Alternator Pulley? (with pictures) - Wiki Motors.

. Dec 15, 2007 · The fact of the matter is that Since the crank pulley is changed, the stock pulley still isn't spinning fast enough. Changing it to a smaller pulley will eleviate this problem. I currently have a powermaster 130 amp 1 wire hook up alternator on there. I will go to the local store tomorrow and see what they come up with. Mar 20, 2022 · The alternator pulley should only be turned in the anti-clockwise or counterclockwise direction. Spinning in the opposite direction may not cause any serious damage, it may however cause some of the brushes to chip off. Signs of a bad alternator pulley When the car’s alternator pulley fails, the presenting signs are usually pretty clear.

Alternator or Alternator Decoupler Pulley or Both? | Jeep.

May 21, 2015 · Messages. 1,803. Location. The Earth but normally in the place of the high st. Modern alternators don't have key ways on shaft so if running CCW nut loosens and pulleys slip. Supplier starter and alternator co told me to use impact socket gun. Did so and nut screwed off just the same. If it doesnt I can take the bearings back and use that money on a alt that isnt as rusty. The bad bearing sound could also be from the ac idler pulley. Remove the ac belt and give the idler pulley a spin. It should spin smoothly. Swap that pigtail and have your alternator tested. Rust doesn't mean it's bad. Greetings So yesterday I replaced my alternator with a 120A rebuilt Bosch one. I reused the belt as it was only 2 years old and looked in good condition... in this thread in this sub-forum in the entire site.

Alternator Rebuild DIY | Page 2 - Toyota Nation Forum.

An alternator pulley is a device that allows a vehicle's alternator to be turned by a belt, which is driven off of the engine's accessory drive system. Commonly made from stamped steel or cast aluminum, an alternator pulley is either grooved for use with a V-type fan belt or designed with multiple grooves to be used with a serpentine-style. Nov 22, 2003 · I have replaced the alternator recently and just yesterday replaced the waterpump. For some reason the alternator pulley does not line up with the fan pulley. It actually sits a little sideways, which causes the belt to rub on the pulleys. I have tried to use washers to adjust the alternator either way, but can't get it just right.

Alternator pulley seizing ! | Audi-S.

1997 ETC. Joined Aug 2, 2010. 5,344 Posts. #4 · Feb 9, 2012. On mine i yanked her out the bottom. 1), pull negative battery cable. 2) pull radiator fan out (one closest to passenger side) 3) Drop the radiator support panel. 4) two bolts in the back of it, and two bolts on the front. If it is the alternator not moving, you need to loosen the bolts holding it to the bracket and then slide it so the belt will go on. Did you simply cut the old belt off without loosening the alternator first?. May 15, 2015 · Tighten the pulley nut hand tight with the socket and extension. Then wrap a the vee belt around the pulley gripping the belt around the pulley tightening further with the socket + ratchet. Mount the alternator on the engine with vee belt fitted and tensioned. Then you can tighten the nut up to the specifier torque it there is one.

3g alternator conversion pulley swap? - StangNet.

Serpentine/Drive Belt Replacement. $111.60 - $349.96. Get a Quote. Evan Clay. Automotive Mechanic. 16 years of experience. It is likely that one of your ribbed or slotted pulleys has seized up causing your belt to be unable to spin. It is also possible that there may be a problem with the crankshaft drive pulley. Lou Schneider said: 1 horsepower = 745 watts. Doesn't matter if the alternator is driven from an axle or from an engine - either way, it will take the same amount of drag to produce power. Close Lou but you forgot the additional drag of the hardware to run the alternator. This alternator is from a Chevy V-8 engine and is designed to run in a counter-clockwise direction. It is now running in a clockwise direction on my Nash engine 6 cylinder engine and the fan behind the pulley is not pulling air through the alternator. I am looking for a fan that is designed to be used on some marine v-8 engines.

Jeep is stuck in parking lot. Belt/Alternator/Pulley problem?.

Turns out the aux belt had disintegrated & part of it had melted onto the alternator pulley, hence the smell! Using the above mentioned threads, I diagnosed a worn out tensioner as the source of the squealing, and a broken pulley as the cause (quite wobbly, so clearly bearings gone). I replaced the tensioner & bought a new pulley, but I don't. If you didn't have this pulley, then the alternator would not be able to do its job. Loose Alternator Belt Symptoms. 1) Flickering/Dimming Lights. 2) Vehicle Stalls. 3) Battery Warning Light. 4) Chirping or Squealing Noise. 5) Dead Battery. Alternator Belt Replacement Cost.

Direction Of Turn Of An Alternator's Pulley - CR4 Discussion.

Jan 25, 2006 · Elon, either way you spin it, the flow of air is the same but not as efficient when spinning in the rotation not designed for. It is like turning you car fan 180 degrees on the pulley. It still is a suction fan but very inefficeint. I did that stupid mistake to a crane operator.

650i not charging. New battery installed | BimmerFest BMW Forum.

Aug 11, 2016 · 1.- to place another pulley on the front of the engine´s cooling pump shaft, in order to connect both water pumps to the same drive (pulley behind the small flywheel on the crankshaft) by means of two belts (one vertical, and the other one @ a 45º angle downwards from the center to the right) 2.

How do you tighten a new pulley on the alternator?.

So, the first thing I would check is for how tight the belt is in the pulley of the alternator. Some belt layouts only have let's say 10% of the belt actually in the pulley groove while other designs have 35%, 50% or even 75% or more belt to pulley engagement. More belt into the groove allows for less slippage of the belt in the groove.