![]() ![]() If there is a vacuum leak in the intake manifold, it can create a whining sound when you accelerate, especially if your car’s engine is equipped with a turbocharger, which will expel the air from the leak. RELATED: 7 Symptoms of a Bad Serpentine Belt (& Replacement Cost) 3. Once it breaks, you will be stuck until the repair can be made. If you notice the belt is failing, you want to replace it before it gives out completely. When this happens, the belt can’t grip the pulleys, and it begins to slip. Serpentine belts are known to crack and dry out over time. For this reason, if there’s a failure, you might notice the whining sound is louder. As you accelerate the car, the serpentine belt tries to run at a faster speed to keep up. The serpentine belt is responsible for driving numerous components of the vehicle. In extreme cases, the whining could indicate that there’s a larger problem with the transmission that needs attention. It could also be due to a power steering issue, worn bearing or low engine oil. This whining noise can be caused by a bad serpentine belt, a boost leak or a vacuum leak. If there is anything that you would like to add, please leave a comment below.How long will a whining alternator last? Causes of Whining Noise When Accelerating So if you have reason to believe that a bad serpentine belt is causing your Pontiac Vibe’s engine to squeal, replacing it might be exactly what you need to do. Serpentine belt replacement is something that any shade tree mechanic can do with very few tools. Here’s a great video from Scotty Kilmer on how to change a serpentine belt:Ĭonclusion: Bad Serpentine Belt Diagnosis – Vibe You should see a sticker under your Vibe’s hood with serpentine belt route information. The last thing you want is to not remember how to get the belt back on. We recommend taking a picture of the belt route, and making sure that you have a diagram of the route before taking the belt off. Once you’ve applied force you can pull the belt off of a pulley. The first thing you are going to need to do is find the tensioner and apply force to it in order to loosen the serpentine belt. Your Vibe uses a tensioner to keep the serpentine belt tight. Replacing a serpentine belt is a straightforward process. Overheating the engine and blowing a head gasket will cost way more than a new serpentine belt. ![]() If the belt is off all the way, or the engine is overheating, do not drive it somewhere to have it looked at. You also shouldn’t have power steering (although some vehicles now have electric power steering so be careful). If it fails, water can no longer circulate throughout the engine. The serpentine belt is responsible for turning the water pump in your Vibe. If these accessories are not working, that’s an indication that the serpentine belt is shot or missing entirely. The serpentine belt powers your engine accessories, such as the power steering pump and air conditioning compressor. A bad serpentine belt may have:Īny of these items are enough to replace the belt. These belts are not designed to last the life of an engine. A Typical Serpentine Belt Visible Wear and Cracking on the BeltĪs your serpentine belt ages, it will begin to show visible signs of wear. It’s a matter of time before revving the engine no longer corrects the problem. This happens because the serpentine belt gets heat in it and is able to grab ahold of the pulleys. It might also go away entirely if you rev your engine a few times. That is to say, that when you rev the engine, the squeal changes pitch accordingly. The squealing should match the engine RPM. Often, the first sign of a bad serpentine belt in your Vibe is squealing. Here are the most common symptoms of a bad serpentine belt in the Pontiac Vibe: It has a higher pitch than an engine rattling.īad Serpentine Belt Symptoms: Pontiac Vibe The sound that a bad serpentine belt makes is a squealing sound. The good news is that serpentine belts are cheap, and in the grand scheme of things, relatively easy to replace. If you suspect that your Pontiac Vibe has this problem, we’ll give you the common symptoms below, as well as how to replace it. One of the most common issues with a vehicle is a bad serpentine belt. ![]()
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