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Unread 10-28-2009, 06:26 PM   #1
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Default Cougar squeeks

I drive a 2000 Mercury Cougar, V6 model automatic. Has about 141,000 miles on it. The car has had a ton of problems, and I knew this buying it. I'm just trying to get through them.

I replaced the break pads, rotors wheel bearings and just recently tires. But my front wheels seem to squeek/rumble when I turn, start moving or stop moving. It sounds like a very light rattly while I'm driving if you can hear it at all.

They didn't always have this problem, started noticing it about 1 month ago, maybe a little less. Any suggestions?

Thanks!

EDIT: Also, the noise comes and goes for the most part. Sometimes you can hear it sometimes you can't. Normally you can but as I said sometimes its gone.

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Unread 10-30-2009, 07:37 AM   #2
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It sounds like ball joints. Try bouncing the front end up and down with your hands, if it squeaks when you bounce it it's probably them.

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Unread 10-30-2009, 01:09 PM   #3
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Quote:
Originally Posted by Felipe the Ant View Post
It sounds like ball joints. Try bouncing the front end up and down with your hands, if it squeaks when you bounce it it's probably them.
Personally I don't think that this is a good way of checking for any front end problems.

Try this method - Tooldesk.com - Balljoint check - This is the way that I was taught to check ball joints.

Axis304, your problem sounds like it could be a worn out CV joint on one of your half shafts. It could also be a tire alignment/tire pressure problem, or even something as simple as a dust shield rubbing on the brake caliper in a certain spot.

My tires all have slow leaks, and for the last few weeks every time I would take a sharp right turn my tires would rumble and make all sorts of noises - and I would get terrible understeer. I pumped all four tires up to 40 PSI yesterday (One was at 14 PSI and I had no idea it was that low from just looking at it.), and my rumbling tire problem is now gone, regardless of how sharp I turn. Keep in mind that I just aired these tires up to 35 PSI around the beginning of the month and they were all below 25 PSI yesterday before I filled them.

Your tires should have the manufacturer's recommended tire pressure listed on the side walls of the tire itself, I would use these numbers first and foremost. The car manufacturer's recommended tire pressure will be listed on the inside of the door jamb too, but these numbers are usually for the original equipment tires and may not apply if you have larger tires installed.

It might also be loose lug nuts. A month or so ago my jeep was randomly squeaking at low speeds and while braking, and I couldn't figure out what it was. I checked my lug nuts and I found three out of the five on my front driver's side wheel were almost completely off. They were all in a row too, so I'm assuming that it was just some kid was trying to steal my wheels or something. After I tightened them the majority of my jeep's squeaks went away.
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Last edited by S D; 10-30-2009 at 01:21 PM.

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Unread 10-30-2009, 03:37 PM   #4
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Quote:
Originally Posted by Speed_Demon View Post
Your tires should have the manufacturer's recommended tire pressure listed on the side walls of the tire itself, I would use these numbers first and foremost. The car manufacturer's recommended tire pressure will be listed on the inside of the door jamb too, but these numbers are usually for the original equipment tires and may not apply if you have larger tires installed.
The number on the sidewall is the maximum safe cold tire pressure that those tires are designed to handle. NOT the recommended inflation pressure. The number on the door or in the owner's manual is the pressure that the engineers who designed the car came up with for best tire life, handling, etc. If you inflate your tires cold to the pressure on the sidewall, as soon as they start to heat up that pressure is going to increase past the maximum. Not to mention your tires will wear out faster, you'll have a rough ride, and decreased traction, maybe even a blowout. But yeah, it wouldn't hurt to check the tire pressure too.

Technically that is the best way to check ball joints but not everyone has the tools, time, or knowledge to do it that way. Plus if you can hear them squeaking when you're driving you'll most likely hear it if you bounce it.

Last edited by Felipe the Ant; 10-30-2009 at 03:40 PM.

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Unread 10-30-2009, 09:45 PM   #5
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Thank both of you for your suggestions. I don't think I hear the squeaking every time I hit a speed bump so I don't think that this is the problem?

I had read about the CV joints, and my car was doing the clicking noise that it describes at one point. But this didn't last more than a day or so. I will try tightening the lug nuts, and filling up the tires (they just got replaced by professionals, do you think they would have checked that?) tomorrow and let you guys know about the results. I am having my mechanic look at the car tomorrow so maybe I will get some results?

Thanks a lot guys I will be sure to update!

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Unread 10-31-2009, 10:47 AM   #6
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CV joints could do it too. Your lugs/tire pressure should be fine but it couldn't hurt to check them. Just don't over tighten the lugs.

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