Question about Mercury Marquis

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I have a 2005 Mercury Grand Marquis that a noise that sound like a prop on a air plane while driving. As I speed up the noise gets loader like a air plane is taking off.

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Sounds like there is a pinhole in the muffler that is expanding!

Posted on Sep 30, 2010


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I have a 2000 mercury grand marquis and there is loud whining noise that sounds like its coming from the air filter hose . What could this be?

Have you removed air filter housing cover and checked condition of your air filter ? If so, then remove air housing and hoses up to the throttle and see if noise is still there.
You may have loose intake clamps, check all and tighten.

Nov 08, 2016 | 2000 Mercury Grand Marquis

2 Answers

I have a clicking noise in the right rear of my 2005 Mercury Grand Marquis. It sounds like it clicks in time with the tire rotation

There are brakes shoes inside your rotor , they are for the emergency brake, lightly apply the e brake see if it changes the noise it may go away after you take. It off, rust builds up in ther

May 04, 2015 | 2005 Mercury Grand Marquis

1 Answer

1996 mercury grand marquis makes sucking or blowing air sound when I turn the car off

Have the throttle body valve cleaned and the idle speed control valve cleaned, they get full of gunk from combustion blowback and this restricts the airflow through them and that will cause noise on shutdown of the engine.

Apr 06, 2012 | 1996 Mercury Grand Marquis

2 Answers

The air flow system is making a load humming (mooing) sound. I have a 2001 Mercury Grand Marquis and would like to know what is done to stop the noise and how much does it cost to repair.

The air intake ducting (all the black hose plumbing coming from air cleaner box) may have a loose connection somewhere. Check all clamps and sensors attached.

Sep 20, 2011 | 2001 Mercury Grand Marquis

2 Answers

I have a humming noise when in park or slowing down at a light

Okay......on the OLDER ones there is a component at the rear of the engine,just down behind a coupla' inches................and they can even sound like a weak horn when they go bad. happens at idle or slow speeds.That might be it. don-ohio

Sep 13, 2011 | 2001 Mercury Grand Marquis

1 Answer

How much should I expect to pay to replace the Air Conditioning Compressor in a 2005 Mercury Grand Marquis?

Your problaly going to pay 1100-1800 depending where u get it done it is best u shop around.

Jul 26, 2010 | 2005 Mercury Grand Marquis

1 Answer

2003 Mercury Grand marquis utlimate edition Whistling noise coming from the rear and eerie annoying.

What speed?
In the trunk area?
Around the rear doors?
Only in crosswinds? Sometimes the antenna makes a whistle noise in cross winds at 50 plus mph.

Get a roll f 2 inch masking tape, and tape off areas one at a time and test drive.

May 12, 2009 | 2003 Mercury Grand Marquis

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