Question about 1999 Mercury Cougar

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Roaring loud noise will come on while in drive with my 1999 couga

1999 mercury cougar, i was in line at McDonalds with foot on brake and then loud almost vacuum noise starts, so loud that it is embarrassing and I thought car would die, but 10 minutes later sound stopped and i drove away.

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Leaking seal on vacum booster where rod from brake pedal enters. will go away until it gets severe

Posted on Jan 29, 2009

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Whats making my 1999 mercury sable make a loud roaring sound while driving? and sometimes it stalls when stopping or slowing down.


Used tires sometimes are used for a reason. Also make sure your brakes are releasing completely (especially the emergency brake)...sometimes over-tightening wheels on to the disc brakes can cause excessive noise.

Feb 02, 2015 | 1999 Mercury Sable

1 Answer

When car turns on make loud noise like a ships horn then when i hit the gas it stops then when i drive it does it again until i hit the gas again


You may try checking for slack in pulleys such as alternator, power steering, water pump, etc..have heard similar noises when pulleys vibrate from a bad bearing.

Sep 15, 2011 | 1999 Mercury Cougar

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No brake fluid to rear brakes 99 mercury cougar


YOU COULD HAVE A CLOGGED LINE! TRY REMOVING BOTHE ENDS OF LINE, AND BLOW AIR THRU IT! THEN TRY BLEEDING THEM TO GET FLUID THRU LINES

Feb 20, 2011 | 1999 Mercury Cougar

2 Answers

Where is the master cylinder on a 1999 mercury cougar located?


On the firewall mounted on the brake booster,the booster is round,,almost like a puffed up pancake,

Jun 28, 2010 | 1999 Mercury Cougar

1 Answer

Noise when making a slow speed tight turn. 1999 mercury cougar already replaced right front wheel bearing


noises during slow tight turns are usually CV joints going bad. A way to check, is to jack up one front wheel, set the parking brake, and put the car in drive without pressing the gas. Turn the wheel to both extremes, and listen for the noise. Repeat with the other front wheel (set the first one back down) and listen. Whichever makes the noise, is the side you need to change.

Jun 25, 2010 | 1999 Mercury Cougar

1 Answer

Bought used, 140,000 miles, roaring noise, brake light


3 suggestions for you, you may need to check the tire pressure, get a tire alligment done, or you have a bad wheel bearing, usally a bad wheel bearing make's a loud roaring sound going down the road. I hope I have helped you.

Jan 26, 2010 | 2001 Ford Windstar

2 Answers

Emergency brake for 1999 cougar


Not likely! cause the length wouldn't be right or the way it mounts. You could use one off of another cougar within a couple years make of yours.

Oct 06, 2009 | 1999 Mercury Cougar

1 Answer

Roaring noise in front wheels on 1999 Mercury Cougar, sounds like tires. I purchased a new set of tires and still have noise. Noise is while driving and turning left, quiet when turn right.


That description indicates wheel bearings, replace all 4 in the front end of your cougar.
I suspect that the right front bearings have failed in the STATIONARY race, at the top of the bearing.

Sep 21, 2009 | 2004 Saab 9-3

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