Alternator Pulley Not Spinning Either Way

Humming/whining noise when only stepping on gas pedal.
Jeep is stuck in parking lot. Belt/Alternator/Pulley problem?.
Should The Alternator Spin Freely? – BatteryFever.
What Is an Alternator Pulley? (with pictures) - Wiki Motors.
Overrunning Alternator Pulley (OAP) Failure - How To... - YouTube.
Maintenance/Repair: Alternator | Sprinter-S | Forum.
Alternator croaking on easter vacation | Page 3 | Bob Is The Oil Guy.
How to narrow down causes of belt shredding? - JB.
Should alternator pulley spin freely?.
Squeaking From Belt or Pulley: I Have Heard That There Was... - 2CarPros.
Alternator Issues on my Cay 3208- Help... - Downeast Boat Forum.
5 Symptoms of a Loose Alternator Belt (and Replacement Cost).
Bmw alternator pulley.

Humming/whining noise when only stepping on gas pedal.

The frequency is proportional to alternator speed. When the alternator is spinning 3600 rpm you will get 60 cycles per second on each leg, so you would need to control engine speed carefully for anything that was AC frequency sensitive. As for how much you can get out of it, alternators are rated in Amps. Costa Mesa, Ca. Boat Make. JC 35 Casco Bay. JC 35, Cat 3208 375hp. I have a 2 bank battery system, 2xGC house, 1x4D start battery. My 12v system is simple, 1 alternator feeds the batteries, the batteries are on a selector, with one lead to the house buss, one lead to the starter. My system has a Pro Mariner smart charger that keeps it charged.

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

An Overrunning Alternator Pulley (OAP) has a one-way clutch mechanism inside the hub that allows the belt to turn the alternator in one direction, but allows the alternator to free-wheel and spin at its own speed when the engine suddenly decelerates. 33,589 Posts. #4 · Jan 19, 2015. Squealing from a new belt is usually one of two things - loose belt, or misaligned pulley. The pulley need only be out of the plane of the other pulleys by 1/8" to make noise. Look at any rubber isolators on the alternator, see if they have deteriorated or moved, and pry slightly on the alternator mounting to. About 8 months ago, I heard similar noises and it turned out to be the alternator since the battery was draining and the voltage was below acceptable levels. I've opened the hood while the car is running, and the sound is definitely in the region of the alternator. However, I also know that an idler pulley.

Should The Alternator Spin Freely? – BatteryFever.

Overrunning Alternator Pulley (OAP) Failure - How To Diagnose & Test - DIY. The first project I want to do is get the alternator spinning faster. Because my boat is semi-displacement I am generally cruising around 1500 rpm. Alternator spec says maximum output is at 4000 rpm. With 1 to 2 pulley ratio this means alternator is spinning at only 3000 rpm at normal cruising. Once I installed the INA alternator pulley it was smooth as glass. When the revs would some up the tensioner would stretch out like normal and once he lifted it settled back In order to justify a good idler or tensioner pulley they must have some resistance when spinning and should not spin freely.

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

2,770 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. The only place I could find a new replacement alternator pulley was at FCP Euro, the price was only $34.99, but there website mistakenly stated that it would also work on a Valeo alternator, when it would only work on the Bosch alternator's. FCP Euro has since corrected this after I spoke with the parts manager.

Overrunning Alternator Pulley (OAP) Failure - How To... - YouTube.

2. when belt was off i started the jeep, NO NOISE.. that means it is either, AC compressor, alt, PS pump, etc etc 3. the noise seems to be coming from the power steering pump, though it is hard to tell in engine bays 4. PS pump pulley does not spin very nicely. Get a can of spray penetrating oil. Spritz it behind the alternator pulley. Let it sit for a short while. While it sits, recharge your battery or arrange for a boost. Also check to see if the belt is loose because it probably was a bit on the loose side for the running engine to not have freed the alternator shaft.

Maintenance/Repair: Alternator | Sprinter-S | Forum.

Answer (1 of 7): So lets start with the absolutely stupid stuff and say “IF” it is a Snake belt or flat belt then you have it on upside down [Possibility] or it is not tight enough. 2. Also - My alternator pulley spins both clockwise and anti-clockwise by hand. Is this correct or should it only spin one way? I have no experience replacing bearings either - I was wondering if the bearings are on the pulley (which I might replace) and not in some other spinning device inside the. Although the tech did mention my alternator pulley was seizing ever so slightly on start up! Is this a major worry ? Hi, I think your alternator pulley should have a free-wheeling clutch inside it. They are designed to take out any snatch in the belt when the engine speed quickly changes from high to low.

Alternator croaking on easter vacation | Page 3 | Bob Is The Oil Guy.

Has anyone ever had the problem of v-groove belts flying off at a high rpm? I have an 80 z28 camaro 355ci with a powermaster alternator and a CSR electric waterpump (I installed the march performance alternator bracket to relocate the alternator next to the waterpump). I'm using just a. My way would be to assure the balancer is the correct one for my motor and go from there. Then I would find a pump that fits my balancer. one more thing, can you look at some local short pump setup with stock pulleys to try to see if either of the chrome pulleys look wrong??. Either way garages don't have time to faff about with alternators and will generally recommend the least stress option. You need to make friends with a The tensioner seems fine with no play in it and runs quiet and smooth with the belt off. The alternator spins freely with no play in the shaft but you.

How to narrow down causes of belt shredding? - JB.

Overrunning alternator pulley function tests. Overrunning alternator pulleys are becoming They come in two types: one-way clutches (OWCs) and overrunning alternator decouplers (OADs). Furthermore, when an overrunning alternator pulley has reached the end of its service life Gates. An Overrunning Alternator Pulley (OAP) has a one-way clutch mechanism inside the hub that allows the belt to turn the alternator in one direction, but allows the alternator to free-wheel and spin at its own speed when the engine suddenly decelerates. Relying on the alternator to charge your battery due to a parasitic drain is not the way to go. Either pull out the battery and charge it at home. Disconnecting the battery should help if not in use if you don't want to carry the battery to and fro. But high reving the engine to max out alternator output is silly.

Should alternator pulley spin freely?.

I usually recommend either Bosch or Denso for reliable rebuilt alternators. New is more of a crapshoot based on The traverses for sure had power steering problems all the way to the new model. yea an unloaded alternator should free spin easily with one finger and make zero noise (some can lightly. Squeaking noise from the drivebelt area is either the tensioner or the idler pulley. Replacing the alternator isn't fun but not impossible for a diy'r.... lastly the BODY OF THE ALTERNATOR - STAY AWAY FROM THE SPINNING PULLEY - what did you hear?-----Without a stethoscope - carefully - using the breaker bar - release the belt. To isolate a stuck/frozen pulley, could I expect to be able to spin the pulleys by hand freely with the belt off? Thanks for any answer out there. My truck is a 2006 Frontier 4 seater with 125/ k miles on it.

Squeaking From Belt or Pulley: I Have Heard That There Was... - 2CarPros.

1. Rotate and spin alternator pulley clockwise. Should be smooth rotation (but not freely spin?). Inside alternator fins should also move. Note: By the way, never did get good info on how to tell whether regulator is bad versus alternator is bad. Also, am not a mechanic or techie, and DIY only if. Joined Mar 14, 2006. 1,446 Posts. #6 · Oct 14, 2009. C-Bear said: Exactly. As far as I know, a hydraulic unit was only made for the alternator tensioner, and all E46's maintain a mechanical AC tensioner. I'm confused because AutohausAZ lists this pulley/roller, which I just put on my hydraulic alternator tensioner, as fitting either the AC or.

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

Manually turn the alternator pulley and make sure it turns without a problem. Question: On my way home, the alternator light came on but made it home fine. The next day, the truck was hard to crank Check the pulleys for alignment as well. It seems the serpentine belt suddenly stopped spinning.

5 Symptoms of a Loose Alternator Belt (and Replacement Cost).

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. Full Name: Tommy. #8 Jun 6, 2022. This problem with the single water pump and alternator belt was "relatively" common. Ferrari finally had enough and designed a two belt set up late in the 84 model year. They saw this issue back early on and issued a SB to dealers offering a two belt kit for problem cars.

Bmw alternator pulley.

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. I am wondering if I need to replace the upper and lower alt. brackets. Once the old bearing is out, clean off the shaft and apply some fresh grease. Then, simply press the new bearing onto the shaft. Make sure that it's fully seated before moving on. Next, you'll need to re-install the alternator pulley. This is usually just lining up the holes and bolting them in place.