Question about 1998 Ford Aerostar

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The engine is making a whistling or tweeting sound that slows done or completely stops when make a stop and gets progressively faster as i am driving why

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Either the belt is too tight, worn out, pulley is glazed, or the bearings in the alternator are worn.

Posted on Sep 15, 2010

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Brakes make a whistle noise when applied and sometimes a low grown or grinding when coming to a slow stop or start.


A grinding or rumbling noise can also be symptoms of a wheel bearing or constant velocity joint in a driveshaft. A worn wheel bearing can also cause a 'whistling' sound (as can a worn CV joint).

A grinding noise with brakes is either worn pads causing metal to metal contact on the brake disk/rotor, or the brake backing plate catching on a spinning rotor ... or a loose/missing anti squeal brake shim (they stop the pads from rattling and vibrating).

However, as you say a mechanic has looked at the brakes and can't find anything wrong .. I think I would begin to suspect a wheel bearing or constant velocity joint on the driveshaft (front wheel drive cars).

May 05, 2016 | 2007 Honda Accord Sedan

1 Answer

I have a 2001 gallant es and when am in drive and am stopped at a red light it states to vibrate but when am driving it stops, When I drop it in neutral it stops I've done a tune but it didn't fix it


might be your engine idle is low and is slowed even more by the torque convertor when stationary. In neutra there is no drag on the torque convertor and idle is allowed to stay faster hence no vibration

Jun 04, 2015 | Cars & Trucks

1 Answer

I have a 98 merc villager. when i acclerate i hear a whistling noise... it gets louder the faster i go. but stops when i slow down or stop the car??


HI and welcome to FixYa!

You may want to check on the air cleaner. Please make sure that it is tight and secured. Check the fittings on the throttle body too. If they are loosen they can make a whistling noise.

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

Feb 14, 2011 | 1998 Mercury Villager

1 Answer

When I gas my truck slow or high speed it makes a whistling sound but when I stop accelerating it doesn't do it... only while driving. F150 2002


sounds a vacume leak check the chek for a cracked or loose vacume line also chek the intake hose for a leak

Feb 10, 2011 | Ford F-150 Cars & Trucks

2 Answers

High pitched whistle noise coming from engine


it sounds to me like it is a blower motor not the engine.(heater fan)

Dec 16, 2009 | 1999 Jeep Grand Cherokee

1 Answer

Car hissing sound


The noise maybe the p/s pump fluid return,GM had some problem with this but nothing bad. GM makes a resticter that goes in the return line of the pump, it will slow the fluid down going back in the pump stopping the hissing sound.

Jan 31, 2009 | 1994 Buick Skylark

2 Answers

My 1994 Jeep Grand Cherokee is making a whistling sound. It whistles when I am giving it gas even coasting. But when I slow down, it stops or gets quieter. We changed the PCV valves and hoses for the...


Often a whistling sound, from the engine bay anyway, is the sign of a vacuum line that is leaking. Might want to check all the vacuum lines for cracks and such and make sure they are all connected.

Dec 31, 2008 | 1999 Jeep Grand Cherokee

1 Answer

My blazer makes weird noises


sounds to me like the motor mounts might be loose mine was doing the same thing.

Jul 11, 2008 | 1991 Chevrolet S-10 Blazer

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