- #13 of 87
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Re: 2005 Grand Marquis (Vibration) [euphonium]
by jsylvester
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Mar 14, 2006 (8:29 pm)
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Replying to: euphonium (Mar 14, 2006 10:52 am)
He is talking about the "transmission shudder" - normally fresh Mercron V fixes it.
Do not let a mechanic tell you the torque converter is bad - it almost never is. Fresh tranny fluid, including draining the torque converter, will fix it.
Assuming that is the problem.
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- #14 of 87
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Re: 2005 Grand Marquis (Vibration) [cyberwiz]
by zanzibarjose
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Mar 24, 2006 (12:11 pm)
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Replying to: cyberwiz (Mar 14, 2006 7:29 am)
Really sounds like a damaged motor mount
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- #15 of 87
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Re: 2005 Grand Marquis (Vibration) [cyberwiz]
by wgfwli
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May 03, 2006 (5:16 pm)
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Replying to: cyberwiz (Mar 14, 2006 7:29 am)
I have a similar problem on my 2003 Crown Vic and 2004 Mercury Monterey minivan. I feel reasonably certain it is the Goodyear tires I have on them. On both vehicles, the tires need rebalancing after about 3000 miles. Always, the balancing weight position has shifted. The LM dealer eventually decided that one of the tires on the Monterey was bad and after replacement, found a very noticeable improvement but at least one other tire needs replacing. Neither the dealer or NTB tire store has found anything wrong on the CV but NTB advises that I should replace the Goodyears with a different brand. All four Goodyears on my previous 1999 MGM failed around 32000 miles - belt slippage.
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- #16 of 87
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transmission problem w/ '02 Crown Vic
by crownvic2
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Apr 29, 2006 (7:55 pm)
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I need to know what thw problem is when I accelerate from a light, slowly step on the gas, then speed up. The car almost studders then goes. It seems like the trans is slipping. Took it to the dealer and they said there was a recall on the problem, but they never fixed it. It has been back 4 times. Any ideas so I can help the dealer with what they should already know?
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- #17 of 87
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Re: transmission problem w/ '02 Crown Vic [crownvic2]
by g45
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Apr 30, 2006 (5:04 am)
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Replying to: crownvic2 (Apr 29, 2006 7:55 pm)
No disrespect intended. And I'm not trying to be a "wise guy".
Honest.
But have you considered taking the car to a different dealer? That's what I would do. Your present dealer sounds like a snake.
And I mean no disrespect to snakes, either.
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- #18 of 87
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Stiff ride in a 2003 Mercury Grand Marquis
by galeinaz
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Jun 07, 2006 (10:02 am)
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I recently purchased a 2003 Grand Marquis LS Ultimate Edition with only 10,500 miles on it. I love the car as I am a junkie for all the bells and whistles, especially like the large digital readouts on the instrument panel. I am NOT happy with the way the car rides. It seems very stiff and you feel every pothole. It seems to me that a large luxury car like this should have a more comfortable ride. My wife's 2002 Camry has a smoother ride than this car. It is equipped with the original Michelins, which I understand are a quality tire. Short of running the tires under-inflated which would impact mileage, is there anything I or the dealer can do to make this car ride better?
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- #19 of 87
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Re: Stiff ride in a 2003 Mercury Grand Marquis [galeinaz]
by euphonium
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Jun 08, 2006 (7:55 am)
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Replying to: galeinaz (Jun 07, 2006 10:02 am)
Perhaps your GMLSUE also has the "Handling Package", sometimes called the "Touring Package" and this will lead to a harder than usual ride, but it will corner like a speeding locomotive and handle much better than without.
Indicators of the package include: dual exhaust, oversize tires, higher rear end gear in the differential, 3.55 instead of a 3.25, thicker stablizor bars, extra heavy duty shocks that are stiff. Decoding the numbers on the door will help you know what you have.
If you can adjust to the above, you will appreciate its qualities over time. Improved handling is safer than yawing and pitching. 
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- #20 of 87
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Re: Stiff ride in a 2003 Mercury Grand Marquis [galeinaz]
by bruneau1
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Jun 22, 2006 (11:03 am)
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Replying to: galeinaz (Jun 07, 2006 10:02 am)
Yes, there is a way to soften the ride and reduce the noise. Try the Goodyear Comfort Tred. The reduction in road noise is great and the ride is softer. However, I do notice a little more softness in the steering response. I always found 32lbs of pressure too stiff with my original tires and used 30. Maybe i lost a little in mileage,but it was worth it. These days with stiffer suspensions and lower profile tires, a good ride (cushy) is harder to find. In the meantime, use 30 on your Michelins and get some Comfort Treds when you can't stand them anymore. I am using 32 on the Comfort treds. Get your own gauge, since even tire dealers often do it wrong.
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- #21 of 87
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Re: Stiff ride in a 2003 Mercury Grand Marquis [galeinaz]
by agellius3
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Jul 11, 2006 (12:11 pm)
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Replying to: galeinaz (Jun 07, 2006 10:02 am)
Someone else replied to this message by recommending the Goodyear ComforTreds. I put those on my '03 GM and they do make a big difference. There is a little loss of cornering ability, but that's the necessary trade-off for a softer ride. The car still rides a little too stiffly for my taste. I think the solution for that is softer coil springs. Check out coilsprings.com, they make custom coil springs to whatever stiffness you want. Someone on this forum (I think) used them and was happy with the result. I have not tried them myself but will as soon as I have the cash. But the Goodyears will definitely help. I highly recommend getting them next time you need tires, if not sooner.
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- #22 of 87
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Re: Stiff ride in a 2003 Mercury Grand Marquis [galeinaz]
by galeinaz
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Jun 08, 2006 (9:03 am)
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Replying to: agellius3 (Jul 11, 2006 12:11 pm)
Thank you for your reply. This is the first Mercury I have owned so I have no idea how to decode the numbers on the door. It has a single exhaust and the tires are Michelin P225/60R. Is that a standard size for the car? Since I am retired and don't do a lot of fast cornering the stiff suspension is kind of wasted on me. Would replacement shocks help?
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