Question about 1998 Buick Regal

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Why is it when I start up the car it makes a whistling sounds.. then after a while the sound is not as loud or it might go out..

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Sounds like the belt needs to replaced or your tensioner could be on it's way out!

Posted on Mar 17, 2011

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My 1999 Buick Regal is making a loud whistling noise. What could be the problem?


Depending on the whistle, fist check the vacuum lines.
There are many under the hood.
One way some people test them is to listen most carefully whilst the motor is running, and then take a spray bottle of water and spray it where the whistle sounds like it is coming from,.
If the sound stops, the water has found the hole and has plugged it for a second, and helped you find the leak.
Other whistles can come from a pulley or part that is failing, and that part is telling you ahead of time of the problem.
Be blessed.

Apr 11, 2013 | Cars & Trucks

1 Answer

2000 LINCOLN TOWNCAR SIGNATURE SERIES LIMITED EDITION WHEN I START MY CAR IN THE MORNING I HEAR A LOUD WHISTLE- ING NOISE FOR 15 MINUTES UNTIL THE ENGINE WARMS UP AND WHISTLE NOISE STOPS. I REPLACED...


well it may help if you open the hood, then start the car and see if that helps you locate the item which is whistling. many cars have a power steering pump which likes to whistle until it gets warm. generally this is less than 5 minutes, and that is more like a screeching sound. something is either blowing out or sucking in through a small orifice to make the whistle, you need to physically locate the source of the sound. many bearings are in there spinning and any of them can be doing a cold screech.

myself I have been know to use a BFS, which is a big long screwdriver, i touch the pointy end to each of the spinning components and put the handle end to an ear. yes this process is not suggested for people with long hair or just no damn sense. but as i move the pointy end from component to component i know immediately when i touch it to the screechy one.

Dec 12, 2010 | 2000 Lincoln Town Car

1 Answer

2002 merc cougar 2.5 liter has loud whistling


Sounds like a vacuume leak, use some carb cleaner in a spray can and gently spray the engine. When you find the leak the engine will stumble, check in that area for the leak.

Apr 26, 2010 | 2002 Mercury Cougar

1 Answer

Gas milege falling and loud squeal and rattle


Most likely your honeycomb is broken loose inside your catalytic converter.If it breaks into smaller pieces it can start to restrict the exhaust outout & make starnge sounds like a turbo winding up.I would replace the convereter & go from there.Hope this helps

May 16, 2009 | 1996 Oldsmobile Bravada

1 Answer

Loud whistling sound on 1999 GMC Suburban


It sounds like your Idler pully bearing or your tensioner bearing. Regardless change them both and the surpentine belt too. The sound is letting you know that the bearinf is bad and will fail soon. Good luck

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1 Answer

Surging and loud whistling noise


Sounds like a vacuum leak. Check all vacuum hoses on the intake, throttle body, etc. Sounds like one cracked or came off. Post back if you have any questions. Hope this helps.

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