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Shuddering / Vibration @ 40 MPH


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48 replies to this topic

#41 OFFLINE   mwdb66

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Posted 23 September 2010 - 07:46 PM

I broke even on the deal with my new one. i wasn't going to get another one if it hurt me. I guess the $4500 in rebates & 0% ( good credit ) helped me out. i don't have money to throw around ( I wish, then I would've bought a Sport ). I actually had buyer's remorse anyway on the 4 cyl. I'm more of a V6 guy.
As for my problem, It vibrates all over with no noise associated @ 40MPH. It goes away gradually until I hit 50MPH. The tachometer reads between 1600 - 1800. It's not a poor shift, its steady in 5th gear. Shifts are smooth as silk. Tires were checked, balanced & rotated already with only 3300 miles on it. Slim that it may be to get 2 cars with the same problem, I guess thats just my luck right now. I'm the only one that drives my car & when I buy a new car, I baby it until it has 5000 miles on it.( Thats just my personal break-in period ). Never reached past 4000 rpm yet. Can't wait to throttle down. The 3.0 has some punch to her & love the slight growl. The shudder / vibration comes & goes, hot & cold, light to medium throttle. So you can see why I cannot pinpoint the problem. it would be nice to give the dealer a better clue before they tear my new car apart. I'll keep you updated if I find something out. I'm a diehard FORD FAN & still love my Fusion. CHICK MAGNET!!!!!!


This sounds kinda similiar to a problem I am having also...its not a harsh shudder, but you can definitely feel it. I just had my vehicle checked today and they were unable to replicate the issue at 70 kmh (42mph). I also have this shudder at 115 kmh (69mph). They re-flashed my tranny , and I will be trying it tomorrow to see if anything has changed. Will let you all know it mine worsens!







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#42 OFFLINE   jfo

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Posted 06 November 2010 - 11:43 PM

Any update on this? We just bought a 2010 ff hybrid tonite and it has the slighest shimmy at 40mph (goes away above 40). our shimmy is so slight...felt more it seems in the front passenger seat. This thread has me worried big. thanks

#43 OFFLINE   drolds1

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Posted 08 November 2010 - 03:40 AM

Any update on this? We just bought a 2010 ff hybrid tonite and it has the slighest shimmy at 40mph (goes away above 40). our shimmy is so slight...felt more it seems in the front passenger seat. This thread has me worried big. thanks


It's doubtful that the problems described in this thread are related to your FFH. The hybrid uses a completely different type of transmission from those used in gasoline-only Fusions.

A shimmy is usually felt as high frequency oscillations in the steering wheel. You described it as being felt more in the passenger's front seat. Are you sure you don't mean a vibration or shudder? It might seem like nit-picking but if you take the car in for service, which you should), correct terminology is important. You should ask for a tech to go for a ride with you and verify your concern.

#44 OFFLINE   jfo

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Posted 08 November 2010 - 05:30 PM

actually, when we first drovet he car it was felt in all front seats within a very narrow range...40-45 mph. the initial test drive was around 5 miles and because of the concern a second test drive was taken before we bought the car. there was around an hour between drives. on the second drive, the shudder was only felt in the pax seat. the driver could not feel it. we bought the car and drove it around 50 miles home, then around 200 miles around after which time no-one is able to detect any shudder even if we really focus on trying to re-create it. Today, with 450 miles now on the car we went back to the dealer for some administrative items and asked around the lot about whether the car had been sitting in one spot for a long time before we drove it. While not certain, the consensus was that the car may have been in one spot (not moved) for up to three weeks proir to our drive....this may/may not be relevant. Also, the tires are nitrogen filled which may/may not be relevant....anyway, we learned all about the extended warranties on the trans, torque converters and etc....and we feel really good in a really nice car. If we were to have problems come back, we can buy an extended warranty up to 30k miles...we chose not to buy it for now. By the way, we traded in a prius we purchased new that had 185,000 miles on it....to us its like the 06 prius was sort of the first edition....the new camry's we drove were still on that technology where the fusion is second-gen with all the integration etc....we're very happy campers tonite. thx for the response.

#45 OFFLINE   juice

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Posted 10 November 2010 - 10:18 AM

Any update on this? We just bought a 2010 ff hybrid tonite and it has the slighest shimmy at 40mph (goes away above 40). our shimmy is so slight...felt more it seems in the front passenger seat. This thread has me worried big. thanks


UPDATE>>>>

I am still feeling the shudder & I still cannot get the dealer(s) to figure out the problem. This shudder or vibratration that I feel is NOT from down shifting from 6th to 5th gear that everybody feels when slowing down from 50 to 35. This shudder is very slight, almost feeling sometimes that the engine is missing but no codes or dummie lights on.....I am still convinced that the Torque converter is the problem but will not get the mechanics to agree that the TC is the problem. I am concerned about this problem but does not seem to affect driveability...... Its not getting worse but its not getting better either. Cruising with light throttle above 35 mph,the car starts to shudder/vibrate but when I put it in neutral, it goes away instantly!!! That tells me it a trans/engine problem... Both me & all the dealers I've worked with are puzzled & DON'T FORGET,I owned another 2010 Fusion but with the 4 cyl with the same problem......The two engines have the same 6F35 tranny with the same Torque Converter. But I will say that the Hybrid Owner got me puzzled even more if its the same problem I'm having. But even with this SHUDDER / VIBRATION, This car is the best!!!! The transmission has always shifted smooth with no problems & the engine has never hesitated once. The problem only exists under light throttle, cruising......

Edited by juice, 10 November 2010 - 10:34 AM.


#46 OFFLINE   jfo

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Posted 21 December 2010 - 06:41 PM

almost 4000 miles now, shudder has not come back. I'm pretty sure what we had the first few days was a tire that had settled when the car sat on the lot for a long time. great car. 40mpg although the cold does hurt the mileage some.

#47 OFFLINE   red2010fusion

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Posted 13 February 2011 - 08:35 AM

After reading this post it is good to hear that I am not the only one experiencing the passenger seat vibration. My 2010 Fusion was built the early part of 2010 (March or April) and since new (100 miles) the passenger seat has vibrated at speed (above 30 mph). It can be seen primary in the passenger seat head and back rest. Unsure if this is some type of sympathetic or related to suspension design. During the time the dealer was troubleshooting the passenger seat air bag light/sensor, they replaced/re-tightened the seat mounting bracket without resolution. So far, there is not a TSB on the 2010 ford fusion for this issue. A Google search indicates a forum entry on http://www.fordfusio...?topic=167429.0

#48 OFFLINE   stein5830

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Posted 25 September 2012 - 05:04 PM

UPDATE>>>>

I am still feeling the shudder & I still cannot get the dealer(s) to figure out the problem. This shudder or vibratration that I feel is NOT from down shifting from 6th to 5th gear that everybody feels when slowing down from 50 to 35. This shudder is very slight, almost feeling sometimes that the engine is missing but no codes or dummie lights on.....

I completely agree. I have the same issue when under light acceleration 35-45MPH

I am still convinced that the Torque converter is the problem but will not get the mechanics to agree that the TC is the problem. I am concerned about this problem but does not seem to affect driveability...... Its not getting worse but its not getting better either.

I have a 2010 SE I-4 and it is pretty consistent in that it will not resolve itself unless i put it under heavy (er) acceleration.

Cruising with light throttle above 35 mph,the car starts to shudder/vibrate but when I put it in neutral, it goes away instantly!!! That tells me it a trans/engine problem...

I'll test this and let you know if neutral solves it for me as well.

Both me & all the dealers I've worked with are puzzled & DON'T FORGET,I owned another 2010 Fusion but with the 4 cyl with the same problem......The two engines have the same 6F35 tranny with the same Torque Converter. But I will say that the Hybrid Owner got me puzzled even more if its the same problem I'm having. But even with this SHUDDER / VIBRATION, This car is the best!!!! The transmission has always shifted smooth with no problems & the engine has never hesitated once. The problem only exists under light throttle, cruising......

For me there have been a few pretty rough shifts, even though I am not a "hard" driver. I love my Fusion. Comfortable. Roomy. Great on Gas. Looks Hot. Everything I want except for the vibrations!

#49 OFFLINE   Darren139

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Posted 06 June 2017 - 08:44 PM

I have a 2015 that bucks at 48kmh and 70 kmh
And when it coasts. Around 48-50 kmh.
Also has anyone noticed when the torque converter locks up in 3rd it's kind of like riding a clutch?




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