Question about 2008 Buick Lacrosse

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I have a high pitched whine when first starting car, it lessins when warm but continues and raises as you accelerates

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  • Buick Master
  • 635 Answers

Check the condition of your accessory drive belt (s).

Posted on Oct 14, 2013

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Posted on Jan 02, 2017

c1apton15
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SOURCE: when I start my car

The noise you're hearing is the electric fuel pump in your fuel tank.

Posted on Mar 31, 2011

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High pitched whine


check condition of drive belt and check tension of the belt as it may be slipping under load at revs.

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High pitched whine while accelerating


remove the belt and start the engine ..IF THE NOISE disappear it might be idler bearings that driven by belt but if the noise still there check the pcv valve..

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I have a high pitched whining sound under the hood that starts when it's warm out. It continues after I've stopped the car. Any ideas?


Hello and welcome to FixYa!

You may want to check the air filter for it may be a little loose that's why it's whining. If not, get a water hose and listen to the bearings if they are whining. If they are, then it's gonna be a bearing in need of replacement.

Hope this helps and thank you for using FixYa! Have a good one!

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Continued battery drain and high pitched noise when car started


Maybe the alternator is bad. A high pitched whine could mean that the alternator is not working properly.

One can test, by removing the belt to the alternator and running the engine and seeing if the whine goes away.

Jan 16, 2011 | 2000 Toyota ECHO

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On my 2000 Audi A4 1.8T when i am accelerating in the higher RPM aroung 4000 is when it starts. But their is a vary high pitch squeling noise i can hear.


Whining high pitched sound from front end...left front wheel bearing or right it could be hope this helps tell me if it does

Dec 03, 2010 | 2000 Audi A4

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Noise from engine


Check your belt. Belts will whine when they're worn, cracked or glazed. I hope this was helpful. It's not normal. Take care and God bless.

Bryon

Feb 05, 2010 | 2004 GMC Envoy

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Same problem: a high pitch whine after extended driving


Sounds like a dry/failing bearing or power steering pump noise. You first need to try to track down where the noise is originating, and the most likely place is at the front of the engine.
I would start by listening with the hood up while parked with the engine running and the noise present, and seeing if it is coming from there. If so, the most likely cause is something connected to the belt - e.g. AC compressor clutch, tensioner, power steering pump, or generator. Can also be caused by the belt just slipping (warn out belt, tensioner not working properly).

Mar 31, 2017 | 2001 Chevrolet Venture

2 Answers

High Pitch whine during acceleration


Hi Pullerwife,

I have a few suggestions for you,

First of all, check your air filter, make sure its clean, not clogged, and doesn't need to be changed.

I don't know how handy you are, but if you are fairly handy, check the idler pulley bearings, if your not, have a shop check it out, as a last resort.

Power steering pump/fluid being low is also a possibility, but thats usually more of a lower pitched whine then what you describe.

You say once the vehicle is warmed up, the whining stops. Does Weather seem to be a factor as well?

Hope I've helped, and don't forget to rate.

Lazaruselite

Feb 25, 2009 | 2005 Chrysler Town & Country

6 Answers

A high pitched whining noise in the engine.


This Noise Description sounds Indicative of the Sounds that come from the Serpentine Belt Or Related parts such as Belt Idler Pulley or Belt Tentioner witch also has a Pulley, but if Tensioner itself is Literally BROKE I've replaced a number like this it will cause a Whining noise . Best case scenario its just the Belt, and if any of the other Problems turn out to be the Culprit the Belt MUST be Replaced Anyhow as Damage is Being caused By the Very Whining you hear.
PLEASE Spend the Extras $ for the BEST BELT as this Drives your Water pump, Alternator, A/C Compressor, Power Steering Pump All Crucial to Control of, easy Steering ,All Electrical-Power Distribution, The COOLING of Engine << VERY CRITICAL Component
The Pulleys usually have a more Hum type Whining. So I would say at Best The BELT , And WORST Belt Tentioner is Broke

Jan 14, 2009 | 2002 Dodge Caravan

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