Gain extra benefits by becoming a Supporting Member Click here find out how! Send Private Topic View Profile. Equipped on all light-duty trucks, the Passive Exhaust Valve, located behind the muffler, acts as a broadband tuner in both V4 Active Fuel Management and V8 mode for a more refined sound. Customer Information on Active Fuel Management When the Active Fuel Management System is enabled, physical changes take place within the engine that allow it to run as a 3 or 4 cylinder motor with accompanying additional fuel savings.
The change in exhaust tone is expected as all sound from the exhaust is the result of combustion in the engine. In both of these situations, the load on the engine is minimal and general exhaust volume sound is low. You may give a copy of this bulletin to your customer. Execution time: 0. All times are GMT Pacific. Current time is AM Top. Attach Photos to Posts. Contact Us. My Cookies. Frequently Asked Questions. Forum Rules. Username Post: Silverado 5.
It only makes the noise when moving it will not do it if sitting still and just hitting the gas pedal. I talked to the Chevy guys at Back to the 50's last week and they just stared at me with the big South Park eyes and said "that sounds strange, never heard of that one before" what a shock. I am due for an oil change soon so I will have the dealer check it I just thought I would throw it out and see if anyone else had this little issue.
Otherwise, the trucks are super quiet on the road. The back bottom lip has a bunch of black carbon on it so it must have a small pin hole somewhere. I might just change it out to a Corsa or Magnaflow cat back system.Optima pvc ceiling
It's there to drain off the moisture that forms in the exhaust system that forms when it does not get up to temp when driving short distances. I noticed this on my previous 2 trucks. I asked 3 different service managers this, and that's the explanation given.
It stands to reason because of the newer, more efficient engine makes water as one of the by-products of combustion That being said, I put a Summit cat-back system on my trucks. Much cheaper than any of the "name brand" systems, and it's a Flowmaster stainless muffler It stops them from rusting from the inside out which was common before someone thought of the weep hole.
Chevy Silverado: Whining Noise → Diagnosis
The outlet of the muffler has a baffle that opens when you hit the gas and just at the very start before it opens it causes just enough back pressure to make the whistle out out the drain hole in the muffler.
I just took a piece of wire and have it wired open until I decide what I want to do for the exhaust system.
In addition, a vibration condition may be felt when Active Fuel Management engages. The exhaust system rattle can be diagnosed by tapping on the bottom of the muffler. The correction of the muffler pop or oil canning noise will require the replacement of the cold end or back half of the exhaust system.
The second noise condition is a whistle noise heard coming from the muffler area of the exhaust system. If the condition is reduced or changes greatly in severity with the bolt installed, replace the exhaust system. The vibration condition may be noticed in the seat or steering wheel when the truck engages V4 mode Active Fuel Management. After verifying the condition, check the exhaust system for Ground Outs at the mounts and repair as necessary.
For testing purposes only, install the bolt, washers and nut as described above.A little loud, but not unusual. If constant, probably bearing problem. Correct if necessary. The 2nd most common complaint on converters is a whine after installation.
It is loudest when the tranny is in gear and will increase when engine RPM increases. Find solutions to your transmission whine question. If the whining noise seems to change with gear shifts or is coming from your transmission it could be an indication that it is time for new transmission fluid. Real advice for Chevrolet Silverado car buyers including reviews, news, price, specifications The Chevrolet Silverado is now well established locally, but in Midnight Edition trim it's an even.
Fluid: Transmission fluid is very important to an automatic transmission.
Automatic 62, Having never driven a 40 prior to owning the. Silverado Transmission. If you find one, fix it. The car makes a lot of random noises sometimes it will be easier if you get a video. Its a whining noise I think is coming from the transmission. Transmission delays the shift too long, leading to a harsh shift. I just turned up the stero when I drove it Them Fords have the power steering whine, but it sure sounds like mice in the fuel tank with the fuel pump whine in most GMC products.
I notice that there has always been a whining noise coming from the truck when it is running and have been told that it is the fuel pump and that some Chevy's just do that. ETE has gone above and beyond to help me get my Silverado back on the road!. Use in any transmission for preventative maintenance. Silverado transmission whine - Duration: Sometimes the transmission itself whines too.
Used Chevrolet Silverado Classics. I noticed that my si have this whine like a supercharger whine. You know, the whine that at times can sound like a turbo spool up.Pestle analysis of coca cola 2019
RockAuto ships auto parts and body parts from over manufacturers to customers' doors worldwide, all at warehouse prices. This draws the converter hub too far out of the pump drive gear causing the gear to rock. For pump failure, check the fluid level with the engine off, then start the engine and recheck. Although this 2. The fluid I was referring to was some global import fluid. It's only noticeable from inside the car and sounds like it is coming from the transmission under the gear shift console.
2014 Silverado Transmission Whine
When accelerating around 30mph the transmission makes a high whining noise around rpm almost like its slipping and the truck shakes back and forth. Power is sent to all the wheels via an upgraded automatic gearbox.
Reinstall the Transmission Pan Attach the transmission pan to the transmission and tighten the bolts and plug securely. Jump to Latest Follow.If your Chevy Silverado is experiencing a whining noise, its is often going to be caused by something in the engine compartment. The likely cause of whining noise will be determined by when you hear the noise, and under what conditions. With that in mind, this page is divided by when you hear the whining noiseand common causes under those conditions.
Before you go any further, is the whining noise constant when you rev the engine? Or does it not change with engine speed? Here are the most common causes of whining noises when accelerating:. It should also be accompanied by the battery light. The power steering pump is a very common reason why your Chevy Silverado might whine when accelerating. You need to check the fluid level and fill it back up to the factory fill line.
The pump can also go out. To determine if it is the power steering pump, turn the wheel left and right with the vehicle sitting. Does the sound get louder while turning? All of your engine accessories will change their wine depending upon the RPM.
Only the power steering pump will change with RPM or the steering wheel. This is particularly true when you first start the vehicle. Whining when starting can be frustrating to diagnose, since you constantly have to start and restart the vehicle to duplicate the conditions that caused the sound to begin with.
As they go bad, they begin to glaze and stretch. They are really affordable. The radio can accept interference and cause noise when starting the vehicle. This is a great place to start, since it only takes a second. Or, it could be a situation where it is having a hard time disengaging. A bad torque converter can cause a whining sound when starting your vehicle. A good place to start would be to check the transmission fluid. If you see any flecks of metal on there, it is probably going to need serviced.
Silverado Transmission Whine
As long as you have the dipstick out, go ahead and check the transmission fluid color. It can tell you a lot about the health of your transmission. Alternator whine is a product of a drop in voltage between the radio and the alternator itself. It is usually way more noticeable on the A. M band of the radio. Alternator whine is almost always caused by a corrupted ground wire to the radio.
Once a good ground is restored it should go away. Here is a great page with way more info on the subject. Good luck figuring out what is making your Chevy Silverado make a whining noise. If there is anything that you would like to add, please leave a comment below. The likely cause of whining noise will be determined by when you hear the noise, and under what conditions With that in mind, this page is divided by when you hear the whining noiseand common causes under those conditions.
A typical alternator 2. Power Steering The power steering pump is a very common reason why your Chevy Silverado might whine when accelerating.
Radio The radio can accept interference and cause noise when starting the vehicle. Transmission A bad torque converter can cause a whining sound when starting your vehicle. Conclusion Good luck figuring out what is making your Chevy Silverado make a whining noise.The noise may become louder when at operating temperature and may increase with higher engine rpm in the Park position.
Hayden Automotive offers a full line of engine and transmission cooling products that meet or exceed the original equipment. There are multiple forums dedicated to the same issue. The Silverado …. The planetary gear noise is typically louder in first gear as compared to second. Chevy silverado noise when accelerating. F's built after are equipped with the 6R80 transmission. Just get someone to shift it while you watch the cable on the drivers side of the tranny.
Hi, My has a whining transmission and my plan is to have the whine silenced without replacing the entire transmission unit. Looks and runs well.
Page 1 of 6. The Mazda had half as many cylinders as the Silverado HD, less than one-third the engine displacement, and no turbocharger.
Detailed features and specs for the Used Chevrolet Silverado including fuel economy, transmission, warranty, engine type, cylinders, drivetrain and more. Here are some of the common issues complained about.
Service update bulletin sub will be cancelled effective january 25, My truck now has 53, miles on it. Notes: Transfer code MP It was a breeze to put on and is absolutely stubbing.
Whining noise from tranny i think. This problem started before my 1st service was due. It doesn't whine when cold, but my 3. The 3-valve 5. Whine is heard ONLY when gas. Would it be the pump or hydro-boost. Mechanic's Assistant: Have you heard this particular sound before? Yes but not on this truck.
The current chevrolet silverado has been around since the model year and has only received a minor facelift in but this truck won t be However, adding its new speed automatic transmission should help boost those fuel economy numbers up, at least by one or two mpg.
The following day, the vehicle was taken to an independent mechanic who determined that the transmission failed and needed replacement. It really makes a nice transition from the grill to the hood. You should see the cable rotate the shifter.
Yes, these transmissions will whine, but it's mostly noticeable when cold - and mostly during the cold winter months.Does not happen in park or neutral. This product is made of high-quality materials. Lets face it, modern cars are quiet. The vehicle was taken to a transmission shop and the entire transmission will need to be. I have a 99 silverado and theres a noise coming from the transfer case.
Hi all, I've got a mystery whine that has stumped me and mechanics for almost a year. Research, compare and save listings, or contact sellers directly from 50 Silverado models in Kingsport. Find the most common driver-reported problems that are to blame when a Chevrolet Silverado won't start.
If I thought the whine was abnormal, I'd pull the pan myself and have a look. Component: power train:automatic transmission:torque converter Summary: This preliminary information communication advises the technician that generation 5 engines with regular production option code l83, l86, or lv3 may have an oil consumption concern were one quart in miles is being used.
Ultimately, the problem was a faulty starter motor.Silverado 460LE whining noise
May 22, Mine was a lower pitch, steady whine that didn't change much with speed. The automatic transmission in your Chevy Silverado is a rugged, electronically-controlled 6-speed that is programmed to just work. Reply 1: I have found these transmission wiring diagrams for you below and a guide to help you do Transmission wiring diagrams please.
The noise speeds up and slows down with speed. Having never driven a 40 prior to owning the one I have, I don't know if this sound is within the realm of " normal". The LR4 has never been a quick vehicle, and that descriptor isn't likely to change for This problem started before my 1st service was due. Skid steer hydraulic whine. A whine sound may be heard coming from under the vehicle on some Envision models equipped with the 2. With Quick Connect Coupler. Shop our selection of Silverado Transmission Transfer Case at americantrucks.
When accelerating around 30mph the transmission makes a high whining noise around rpm almost like its slipping and the truck shakes back and forth.What fuse williams power supply defender full
Other signs of a malfunctioning torque converter include overheating, dirty transmission fluid and strange noises such as clicking and revving. The Hydra-Matic 6L80 production code MYC is a six-speed automatic transmission produced by General Motors for use in rear- and rear-biased all-wheel-drive vehicles with a longitudinal powertrain.
Just took my silverado in and had it done, noise is gone. The worst complaints are not shifting properly, transmission clunk, and transmission slips. Virtually every vehicle's cooling system. I can hear it while going down the road. F's built after are equipped with the 6R80 transmission.
Select up to 3 trims below to compare some key specs and options for the Toyota Tundra. The Silverado …. However, it won't work if you're putting a transmission from a 2WD vehicle onto a 4WD drive vehicle or vice versa. This is my 4th Silverado since Clean Up Messy Formatting Learn how to clean up formatting in Word and how to clean up formatting in Excel and other programs in this free lesson.
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