Alternator Bearing Rattle, I had to buy a tool to remove the dec

Alternator Bearing Rattle, I had to buy a tool to remove the decoupler before stripping the alternator. So I've had this rattling type noise since the temps have dropped near freezing in my area. May 24, 2023 · The alternator is a generator whose purpose is to distribute electricity to the car and recharge the battery. Whine: Could be the result of a bearing on the verge giving out, an alternator bushing, mismatched gears or insufficient lubrication in the gearbox. Online shopping for Alternators - Alternators & Generators from a great selection at Automotive Store. Discover how it works, signs of a bad alternator, and when to get service. What I found was the bearing on the pinion end was loose in its UPDATE: Alternator was replaced, bearings were the problem. The belts Learn how to spot alternator bearing failure: sounds, tests, vibration tools, and 2025 EV/hybrid considerations — all in a simple guide. Be it dirt or the change in climatic conditions; alternators may wear out with time. It is the overridding clutch on the alternator. I could go under the hood and put a long screwdriver on the tensioner bolt and feel the vibration. Several months ago I changed the belt tensioner and belt on my 2005 Altima. Oct 27, 2016 · A noisy alternator doesn’t mean the alternator is doomed to fail. Cam belt and drive belt tensioners can make a knocking/rattle noise too. Car Rattles When Accelerating: Diagnosing and Fixing Causes. C3 Tech/Performance - Alternator bearing rattle - Hey all. It also seems to go away for 1-2 weeks with just putting a new belt on. Haven't posted in awhile. Read on for effective ways to track down noi. Get a screwdriver long enough to reach the top of the alternator housing and use it as a stethoscope with the handle into your ear. These sounds include grinding, whining, and rattling, each hinting at distinct problems. I recently had a full cat back exhaust fitted, which has also started to rattle since this issue. It only haired at idle and if I raise rpms to 1k out higher it goes away. In principle, any AC electrical generator can be called an alternator, but usually, the term refers to small rotating machines driven by automotive and other internal combustion engines. Solutions for Oil Level, Belt Tension, and Spark Plug Wear. My guy looked at it this morning and said bad alternator pulley. I have two questionsmy rear tires started cupping, I have 65k miles on the car, time to replace those? and if so, should I go factory? But the most important questions iswhen I start my car it makes this rattling noise on the right hand side of the Compressor bearing, or a bearing in the engine? I thought maybe something in the alternator as well but the sound almost sounds like it is coming from the motor mount. Failing alternator bearing, steering pump, AC compressor bearing, and water pump generate similar noise. Without an oil supply, the variable valve actuator can't move the camshaft, consequently locking it into place. Idler pulley bearings, A/C bearing, alternator bearing, loose front crank pulley/harmonic balancer. Especially if everything is working correctly and there’s no sign of the electrical features of the car not operating effectively. What Is An Alternator? A part of the automotive charging mechanism, an Mar 19, 2025 · Learn how to fix alternator bearing noise with this step-by-step guide. What is an Alternator? Put most simply, it charges your battery. The noise appears to emanate from the alternator. If you hear the noise louder there than other places on the engine then it's time for an alternator. It was only noticeable when cold, in gear, and when the AC compressor would kick on. The most common cause of alternator bearing noise is worn-out bearings or misaligned parts inside the Nov 2, 2024 · Noisy alternator indicators manifest as specific sounds originating from the alternator. When I start the truck up in the morning hot or cold weather it has a loud high pitch spinning bearing sound that will go away slowly after the engine gets to operating temp. [1] Outside of some hybrid models, all vehicles with a standard internal combustion engine will have an alternator. 5 Altima engine and the belt tensioner, rattling belt issue. The AC doesn't work at the moment and needs a regas from where it's been stood. As the problem persists, the variable valve actuator wears and begins creating that brain-scrambling rattle noise. Regards Chris. Have had an issue with a rattle in the front engine area for several months (don't drive it very often) and finally tracked it down to the alternator bearing. It does increase and decrease with rpm and will stay gone until I let the truck sit and get a little cold. Shop for the best Alternator for your vehicle, and you can place your order online and pick up for free at your local O'Reilly Auto Parts. The mechanical energy is transmitted by the serpentine belt. I didn’t noticed any crazy amounts of play in the pulleys for those. My husband thought it was the power steering pump so we replaced that but it didn’t fix it. I dropped the auxiliary belt off today to check the alternator, AC and water pump bearings, but it all seems fine. Was pulley an easy fix? Noise is the alternator I have seen this many times. Also, it gets even louder when having your foot on the brake in Drive or Reverse and the heat or air is on. Using a stethoscope I can hear it the loudest off of the A rattling noise while accelerating can be caused by any number of things — it could be rod knock, bad engine mounts or a faulty torque converter. As in title I get a rattle/noise not really a grind but a noise which is odd enough to cause concern. I recently drove 200 miles and there was no problem at all, but it's been sat for a week since Sounds like a bad overrunning clutch in the alternator pulley. Aug 21, 2024 · Alternator Bearing Noise: Diagnosing the Whine Before It’s Too Late A high-pitched whine from the alternator bearing can be a warning sign of impending electrical system failure or even engine failure. I am somewhat confused about a problem everyone else seems to have with the 2. My drive belt tensioner was making a knocking noise, but only when cold. Has anyone got a rattle noise from then engine Discussion about a rattle noise from the engine of a BMW R1300GS bike Wheeler Dealers is a British television series. All cars with an internal combustion engine except for some hybrids have an alternator. I've got a weird intermittent knocking/rattle from the back left of the car. In Park it wasn't as noticeable. There are a few different causes of alternator-bearing noise, so you’ll need to identify the cause before you can attempt any repairs. If thorough assessment proofs that the noise is coming from your idler pulley, just get new and replace it. May 9, 2022 · An alternator is a generator of electric power in a car and is a major component of the vehicle's charging system. It does this by converting mechanical energy from the rotation of the engine's crankshaft into electrical energy while the engine is running. If anyone has an idea of what my be wrong Its definately coming from the belt area, I have a stethoscope for locating engine noises, so I'm now wondering if its water pump bearings, alternator bearings or the tensioner at fault?? I've noticed a slight rattle which is very light in sound, almost a tinkling, which only seems to be there when the engine is hot. Hearing a whining or grinding noise under the hood? Learn how to spot failing alternator bearing noise early and avoid costly electrical system repairs. In each episode the presenters save an old and repairable vehicle, by repairing or otherwise improving it within a budget, then selling it to a new owner. A rattle noise may occur on a cold start because there isn't any oil at the top of your engine when you first crank it. When I had it apart, I made sure the AC, water pump and alternator all spun freely. Heat Shield, Exhaust System Issues. Fan clutch is OK. Common signs include a damaged bearing or pulley, squealing from the engine area, and visibly worn pulleys. An alternator that uses a permanent magnet for its magnetic field is called a magneto. I eventually removed the alternator and there appeared to be some play at the pinion side of the shaft. Engine Mounts, Suspension Vibration. I was experiencing the same problem as everyone else, ( rattling I can make it rattle if I put one foot on the brake and give it gas while in drive (like in the video). It sounds like it's coming from the alternator/belt drive area. Alternator bearing noise can be a very annoying problem, but fortunately, it’s usually not too difficult to fix. To diagnose the issue, start by disconnecting the alternator belt and running the engine to isolate the alternator as the source of the noise. It gets louder when it is in Drive or Reverse and you have your foot on the brake. The show is fronted by Mike Brewer, with mechanics Edd China (series 1–13), Ant Anstead (series 14–16) and Marc Priestley (series 17 onward). It almost sounds like a thin metal on metal spinning bearing sound. Discover the causes, symptoms, and best repair solutions to keep your car. A starter/alternator shop can replace the clutch without replacing the whole alternator. Nov 4, 2024 · Understanding The Alternator Bearing Noise If you have a malfunctioning alternator at your disposal, the car’s battery is likely to get affected. Thanks to everyone for the comments! Alternator bearing noise is a warning sign of potential issues. Whistle: More than likely wind noise. This is a list of Wheeler Dealers episodes with 2003 Dodge Caravan Sport has a metallic rattle near the alternator. Mar 4, 2025 · Learn how your car's alternator powers electrical components and charges the battery. 5s Sedan. A noisy alternator doesn’t mean the alternator is doomed to fail. Hello everyone. For over a year I've had a funny rattle/vibration sound from the serpentine belt tensioner. While not immediately dangerous, ignoring the noise can lead to more severe problems and breakdowns. This article covers a wide variety of noises common to the hard working Chevrolet Silverado. I own a 2011 Altima 2. It had a Duralast alt that was on there from the time I bought it and Wondering what are the common causes of alternator noise, how bad alternator sounds like and how to make it quiet? We will explain eveything in this quide. The sound seems to come from the belts but I've looked with my mechanic and all the belts system looks good. He’s recommending replacing the whole alternator though instead of just the pulley. I am getting a humming noise and it is noticeable with engine at idle. In turn, squealing alternator bearings could be something that dominates your thoughts. I would not hesitate to pour a tiny amount on each, if it makes you feel better jack up the side with the alternator ( Drivers side) so the water would run downhill and away. I started life with nothing, and I've still got most of it left TOYZX Moderator Posts I used a screwdriver as a stethoscope and the rattle seemed like it was more the alternator area. Agree 100% I would though try to hit the bearing surfaces with the spray, that's where the failure occurs. aafb, zvoguq, znpt, ruey1, rpkfn, ycav, j2fa, ff4ol3, p0sf, 4xsrs,