WebMar 28, 2010 · It is indeed your timing chain pre-tensioners and chain guides. The chain guides and worn down to the piston (plastic is gone) and the chain link is rubbing against metal (metal on metal contact) which is causing the whine noise. Eventually if left untouched the chain could snap and ruin your engine. Since our cars are FWD the timing … WebOct 15, 2014 · Here are some more details: -The noise is a high-pitched whine (not whistle) that changes pitch with engine RPM. -The noise is more pronounced around the passenger-side wheel well. -If I coast down a hill and put the car in neutral, the noise does not change pitch even when accelerating. This makes me think that it is not coming from the CVT ...
High Pitched whining from engine compartment - BimmerFest BMW Forum
WebIf You Hear a Grinding Noise During Startup Usually, if there's too much clearance between the pinion gear and ring gear, the gears will produce a high-pitched whine while you try to start the engine. In this case, you may need to remove one or more shims from the starter, depending on your application. WebJan 19, 2024 · 2011 X5 35i with 84k miles. I just pulled into my garage after a 20 mile highway drive and there is a loud, high pitched whining noise coming from my engine bay. I will investigate it more tomorrow but I am wondering if there are common issues anyone is aware of. It sounds like it could be a bearing somewhere that contact the serpentine belt. simply meant to be nightmare before christmas
How To Troubleshoot a Car That Makes a Whining Noise When In …
WebFeb 4, 2024 · Of a certainty it is not the differential, transmission internals, wheel bearings, pilot bearing, or throwout bearing. The pitch and timbre are all wrong. Throwout bearings tend to make a worse racket as you shift, not while in gear, and when they freewheel/chatter the sound is much lower-pitched and irregular. WebMay 26, 2009 · After I pull in the garage, turn the car off and get out, I hear a very high pitch whining sound for about a minute (at which point it goes away). The same thing happens when I first unlock the car. It's probably happening the whole time that I'm driving but of course I can't hear it over the engine, etc. WebOct 11, 2006 · At idle I hear this high pitched whine coming from the rear of the car. It leads me to believe it's the fuel pump but I'm not so sure. ... Is this normal? It's not exactly loud, but if you listen closely you can hear it. It sounds very similar to engine noise through the speakers, but at the moment there are no speakers in the back, so I ... raytheon tech investor relations