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Ford Crown Victoria/Mercury Grand Marquis Transmission/Suspension

87 messages,  Last post on May 18, 2009 at 10:29 PM

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What is this discussion about? Ford Crown Victoria, Mercury Grand Marquis, Suspension, Transmission, Sedan

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#11 of 87 Re: 2005 Grand Marquis (Vibration) [wlppete] by cyberwiz Mar 14, 2006 (7:29 am)
Replying to: wlppete (Mar 05, 2006 5:54 am) I just purchased a 2000 Grand Marquis and, while I didn't notice it for the first couple of weeks, it seems to be doing it now. I'm experiencing a very similar problem to what you've described. I'm feeling a thunking noise through the gas pedal/firewall. It only seems to occur when the car is moving in excess of 60km/hr (roughly 40mph) and is most noticeable on a particularly smooth road. The thunking doesn't seem to occur at the same time as any bumps I might go over, it's totally independent of whatever I might feel through the tires.   The car is a really sweet one owner car that had 77,000kms on it. I got it for $11K CDN and it still has 2000kms (about 2 months driving for me) to go on a factory extended warranty purchased by the previous owner.   I've prowled the 'Net but I haven't found anyone describing the same problem who has found a solution. Replies to this message: euphonium (Mar 14, 2006 10:52 am) jsylvester (Mar 14, 2006 8:29 pm) zanzibarjose (Mar 24, 2006 12:11 pm) wgfwli (May 03, 2006 5:16 pm)
#12 of 87 Re: 2005 Grand Marquis (Vibration) [cyberwiz] by euphonium Mar 14, 2006 (10:52 am)
Replying to: cyberwiz (Mar 14, 2006 7:29 am) If the vibration occurs when you accelerate slightly above 40 mph, you might discern when the oil was changed in the torque converter and transmission.   A "transmission service" cured the vibration for me. Replies to this message: jsylvester (Mar 14, 2006 8:29 pm)
#13 of 87 Re: 2005 Grand Marquis (Vibration) [euphonium] by jsylvester Mar 14, 2006 (8:29 pm)
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.
#14 of 87 Re: 2005 Grand Marquis (Vibration) [cyberwiz] by zanzibarjose Mar 24, 2006 (12:11 pm)
Replying to: cyberwiz (Mar 14, 2006 7:29 am) Really sounds like a damaged motor mount
#15 of 87 Re: 2005 Grand Marquis (Vibration) [cyberwiz] by wgfwli May 03, 2006 (5:16 pm)
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.
#16 of 87 transmission problem w/ '02 Crown Vic by crownvic2 Apr 29, 2006 (7:55 pm)
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? Replies to this message: g45 (Apr 30, 2006 5:04 am) pepperdog (Nov 22, 2007 7:51 pm)
#17 of 87 Re: transmission problem w/ '02 Crown Vic [crownvic2] by g45 Apr 30, 2006 (5:04 am)
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.
#18 of 87 Stiff ride in a 2003 Mercury Grand Marquis by galeinaz Jun 07, 2006 (10:02 am)
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? Replies to this message: euphonium (Jun 08, 2006 7:55 am) bruneau1 (Jun 22, 2006 11:03 am) agellius3 (Jul 11, 2006 12:11 pm) galeinaz (Jun 08, 2006 9:03 am) jsylvester (Jun 08, 2006 7:20 pm) brucelinc (Jun 09, 2006 4:56 am) and 5 more...
#19 of 87 Re: Stiff ride in a 2003 Mercury Grand Marquis [galeinaz] by euphonium Jun 08, 2006 (7:55 am)
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.
#20 of 87 Re: Stiff ride in a 2003 Mercury Grand Marquis [galeinaz] by bruneau1 Jun 22, 2006 (11:03 am)
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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