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Ford Five Hundred/Mercury Montego: Maintenance & Repair

182 messages,  Last post on Oct 23, 2009 at 12:59 PM

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What is this discussion about? Ford Five Hundred, Mercury Montego, Sedan

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#4 of 182 Re: Ford Five Hundred Vibration [charlescurtis] by evandro May 18, 2006 (7:43 am)
Replying to: charlescurtis (May 18, 2006 4:33 am) This problem is becoming more and more common as designers stiffen the chassis, raising its resonant frequency.   I've had this same problem on my Bonneville (see this), but it was also noted on other FWD full-size GM cars and, more recently, on the new Grand Prix. After 4 tire sets, two OEM, one Continental and one Michelin, and careful road-force balancing, the problem still persists.   I seriously suspect that it's not the tires, as the vibration can come and go with no change in the speed and even vanish above 75MPH or so. The vibration seems to vary according to the roughness of the pavement too. Maybe it's the soft bushings, maybe the multi-link rear suspension, I don't know...   Please, keep us informed about your findings. Replies to this message: bruneau1 (May 19, 2006 3:06 pm)
#5 of 182 Re: Ford Five Hundred Vibration [evandro] by bruneau1 May 19, 2006 (3:06 pm)
Replying to: evandro (May 18, 2006 7:43 am) Aside from poor balancing and anything else that may be correctable, the chief problem with vibration is related to the use of low profile tires. I have ridden in some expensive cars with harsh, jittery rides, and i am convinced it's related to low profile tires. After all, the less cushion and give, the more pavement problems will be noticed. Sure, we want good handling, but car makers have gone too far. Anything below a 60 profile is going to be harsher and noisier, and there are many vehicles that shouldn't even be using 60
#6 of 182 Re: Ford Five Hundred Vibration [charlescurtis] by vic10 May 22, 2006 (8:41 am)
Replying to: charlescurtis (May 18, 2006 4:33 am) A few years ago I bought a very bad set of Firestones (redundant, I know). The car vibrated similar to what you describe. It wasn't balance. It wasn't alignment. Had them shaved for being out of round. Wasn't that. But a friend following me one day noticed that the tires appeared to wobble from side to side. THAT was the problem. The tread was messed up laterally. Possibility here.... Replies to this message: barnstormer64 (May 22, 2006 10:25 am) evandro (May 22, 2006 10:40 am)
#7 of 182 Re: Ford Five Hundred Vibration [vic10] by barnstormer64 May 22, 2006 (10:25 am)
Replying to: vic10 (May 22, 2006 8:41 am) It was probably tread separation . . . which can definitely affect "balance". Of course, rebalancing the tires won't help in that situation . . you just need new tires. Most tire warranties will cover tread separation.
#8 of 182 Re: Ford Five Hundred Vibration [vic10] by evandro May 22, 2006 (10:40 am)
Replying to: vic10 (May 22, 2006 8:41 am) Quite possible.   In the case of the OEM Goodyear Eagle RS-A, the dealer said that they it wasn't an out-of-balance issue, but rather that the tire had some hard spots on the side-wall and, being low profile (P55), was more susceptible to them.   Sounds reasonable, but didn't solve the issue. I tried Continental ContiPremierContact out of my pocket and after a day in the parking lot, it would need to warm up to lose the wobble due to the 8 hour-belly. After 1000mls they were returned.   Yet, even after shelling premium $$$ for a set Michelin MXV4+, though immune to wobble, it still vibrates between 65 and 70MPH. The tires have been road-force balanced twice to strict tolerances, so I'm getting open to something else other than the tires at least contributing to the vibration.   Of course, I'm talking about my '02 Bonneville, but perhaps could help you guys with your 500 when talking to your Ford dealer.   HTH
#9 of 182 Re: Ford Five Hundred Vibration [charlescurtis] by vrm Jun 01, 2006 (10:19 am)
Replying to: charlescurtis (May 18, 2006 4:33 am) Other problems    1. The rear brake rotor was causing a serious chattering in the brakes, when braking at highway speeds. Odometer: 60 miles - Ford repaired the problem - turned the rotors, and removed glazing from the pads. (Imagine: Bad brakes at Odometer reading of 60 miles!)    2. Motor pings when accelerating. Odomoter: 1,500 miles. I purchase Shell gasoline.    3. My center console compartment on the dashboard is bubbling up. Odomoter: 2,200 miles    4. Dialing the heat/cool temperature produces an annoying creaking noise. Odometer: 1,500 miles   Charles: Given the fact that you are driving a second year (2006) model, these problems are very surprising. Such problems are usually caught and corrected in first six months of new model production.   Has anyone else experienced these problems on the 500? Or are these isolated to Charles car? Replies to this message: barnstormer64 (Jun 01, 2006 12:24 pm) nedc2 (Jun 01, 2006 2:46 pm) vrm (Jun 02, 2006 11:19 am) nedc2 (Jun 03, 2006 7:45 am) enksenks (Jun 25, 2007 5:21 am) jog4 (Jul 18, 2007 7:25 pm) ncsportsfan57 (Aug 01, 2007 8:09 am)
#10 of 182 Re: Ford Five Hundred Vibration [vrm] by barnstormer64 Jun 01, 2006 (12:24 pm)
Replying to: vrm (Jun 01, 2006 10:19 am) Has anyone else experienced these problems on the 500? Or are these isolated to Charles car?   I haven't seen any issues like that on my 500 or Freestyle. Both at around 10,000 miles, and 1+ years of ownership (both 2005 models).
#11 of 182 Re: Ford Five Hundred Vibration [vrm] by nedc2 Jun 01, 2006 (2:46 pm)
Replying to: vrm (Jun 01, 2006 10:19 am) At 18 Months and 19,000 miles I've only noticed issue #3 the dash door bubbling, it was taken care of by me with no dealer sevice required, just the judicious applcation of a sharp pin to the affected areas to burst the bubbles. The only other problem I've noticed is a slight but annoying rattle which comes from the driver side A-pillar when driving over certain road surfaces, like washboard roads, for an extended time. Sounds like a loose plastic connector or something in the pillar. I keep meaning to take it in to get it looked at but it is really hard to duplicate without going for a 20 mile ride from my dealer;( Replies to this message: vrm (Jun 02, 2006 11:19 am) nedc2 (Jun 03, 2006 7:45 am)
#12 of 182 Re: Ford Five Hundred Vibration [nedc2] by vrm Jun 02, 2006 (11:19 am)
Replying to: nedc2 (Jun 01, 2006 2:46 pm) The only other problem I've noticed is a slight but annoying rattle which comes from the driver side A-pillar when driving over certain road surfaces, like washboard roads, for an extended time. Sounds like a loose plastic connector or something in the pillar.   Hi, I assume you have one of the early 2005 models since you been driving for 18 months. Is it the SEL or Limited?   Also, after you pricked the bubbles on the console, did they reappear?   Thanks! Replies to this message: nedc2 (Jun 03, 2006 7:45 am)
#13 of 182 Re: Ford Five Hundred Vibration [vrm] by nedc2 Jun 03, 2006 (7:45 am)
Replying to: vrm (Jun 02, 2006 11:19 am) It's a Montego Luxury, roughly equivalent to the SEL. Only options are the safety and convenience packages and the reverse sensing. I imagine the rattle is from something in the wiring harness in the A-pillar, I should have it looked at but that means taking all of the stuff I've got stowed away in the cabin out and making an appointment with my service manager sometime when they're not too busy i.e. not within 2 weeks of any holidays.   As for the bubbles, no they don't reappear after they've been pricked. I imagine Ford is trying to come up with a new way of curing the urethane or increasing the surfaces "breathability" to prevent the bubbling but it seems its still an issue with the 2006s.

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