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On 3/4 to full gas tank it is so loud with the gas sloshing and bumping the car around. New tank was put on and problem is worse. Now when I have an abrupt stop (has happened three times) the car will lunge forward after the vehicle has come to a stop. Lincoln has reviewed and deemed normal characteristics of the vehicle. Seems like a safety issue to myself and everyone else who I have spoken to about the problem.
 

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no way this is normal, sounds like the gas tank is not secure or something is missing. I have never experienced anything like this.
 

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On 3/4 to full gas tank it is so loud with the gas sloshing and bumping the car around. New tank was put on and problem is worse. Now when I have an abrupt stop (has happened three times) the car will lunge forward after the vehicle has come to a stop. Lincoln has reviewed and deemed normal characteristics of the vehicle. Seems like a safety issue to myself and everyone else who I have spoken to about the problem.

I've been lurking on the Mkc forums a long time now (there are two others -blue oval and another) and I am pretty certain I recall one or two other forum members (can't remember if it was this forum or one of the others - maybe try and do a search on here) talking about a "sloshing" or noisy gas tank on their mkc. It's weird to me you would hear it. It's got to be normal for the gas to move around in the tank as the car moves but in all my cars I can't recall ever being able to hear the gas move around. Maybe it's not the gas tank itself but missing some foam or noise dampening pads over or surrounding the tank so that the noise isn't muffled? I wouldn't know what else to think.
 

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On 3/4 to full gas tank it is so loud with the gas sloshing and bumping the car around. New tank was put on and problem is worse. Now when I have an abrupt stop (has happened three times) the car will lunge forward after the vehicle has come to a stop. Lincoln has reviewed and deemed normal characteristics of the vehicle. Seems like a safety issue to myself and everyone else who I have spoken to about the problem.
You're not alone. Here are some other people. Sounds like you might not get very far unfortunately. Maybe you can at least get an extended warranty out of it like this person.

2015 Lincoln MKC Gas Tank Sloshing: 2 Complaints
 

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Can't speak for some of the other issues mentioned here and elsewhere on the forum ("lunging", dash going blank, etc.), bit I've heard gas sloshing in the tank occasionally with almost every vehicle I've ever owned. Never was a problem - was just a variable of how much was in there and how the car was moving at the time.
 

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Can't speak for some of the other issues mentioned here and elsewhere on the forum ("lunging", dash going blank, etc.), bit I've heard gas sloshing in the tank occasionally with almost every vehicle I've ever owned. Never was a problem - was just a variable of how much was in there and how the car was moving at the time.
I've never noticed (gas in the tank)at all on any of my cars. Think it depends on your hearing and level of sensitivity to those things. My window/mirror makes a very slight whistle noise on the highway sometime but I only noticed it because someone on a forum pointed it out. It doesn't bother me and I wouldn't have noticed it unless I was specifically listening for it. Our mkc s do make a pretty significant helicopter noise with a window or sun roof open. I wish they could figure out better design. I've had that on most of my SUVs/trucks.
 

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The helicopter noise is mentioned in the owner's manual, I believe. My last car (a sedan) did it too. I don't think it's exclusive to SUVs/trucks. I just crack a window slightly and it relieves the pressure build-up.
 

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The helicopter noise is mentioned in the owner's manual, I believe. My last car (a sedan) did it too. I don't think it's exclusive to SUVs/trucks. I just crack a window slightly and it relieves the pressure build-up.
I never remembered it in my cars but it's been a long time since I've driven a car everyday. First I remember it standing out to me was in an old beater Isuzu truck I owned. Thought it was that truck but my next brand new SUV made the noise too.

The other "noises" of the mkc don't bother me but that noise annoys me. I like to just have the sunroof open without a window cracked (so cold air doesn't blow in).
You would think someone could invent something to stop that in some way with all the engineering :smile

As my wife would say "that's a shark tank idea!" Someone please invent some little device we could put in the car to make that noise stop!

And I tried listening for gas moving in my tank driving home today on a half tank and I can't hear anything at all on mine. After years of working around machines though my hearing is not so great so I don't notice creaks and rattles either thankfully :smile
 

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I never remembered it in my cars but it's been a long time since I've driven a car everyday. First I remember it standing out to me was in an old beater Isuzu truck I owned. Thought it was that truck but my next brand new SUV made the noise too.

The other "noises" of the mkc don't bother me but that noise annoys me. I like to just have the sunroof open without a window cracked (so cold air doesn't blow in).
You would think someone could invent something to stop that in some way with all the engineering :smile

As my wife would say "that's a shark tank idea!" Someone please invent some little device we could put in the car to make that noise stop!

And I tried listening for gas moving in my tank driving home today on a half tank and I can't hear anything at all on mine. After years of working around machines though my hearing is not so great so I don't notice creaks and rattles either thankfully :smile
I had this on my ford fusion, it was even addressed in the owners manual. All you need to do is crack open another window.

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I had this on my ford fusion, it was even addressed in the owners manual. All you need to do is crack open another window.

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Yeah I know but when you have passengers and multiple windows/sunroof open it can get loud for conversations with the wind sound in people's ears....we are all losing our hearing LOL.
 

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You don't need to open another window a lot. Just a tiny crack will relieve the pressure which is causing the buffering. Once you play with it a bit you'll get the knack. If you just open it a hair, it shouldn't create that much extra wind or noise. I don't really notice any in mine.
 

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The helicopter noise is mentioned in the owner's manual, I believe. My last car (a sedan) did it too. I don't think it's exclusive to SUVs/trucks. I just crack a window slightly and it relieves the pressure build-up.
I was able to figure out what causes that "helicopter noise" through different approaches....I concluded it's wind buffeting at the top of the seat belt strap....every time it starts up, if I put my hand on the top of the strap I could actually feel it "vibrating" and it stops it!
It's pretty bad on the Mustang with the driver's side window fully down.....you're swear there are rotating helicopter blades on the roof!
 
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Mind you, I don't hear the sloshing from the gas tank all the time...but I have heard it when there's no radio on or conversation happening in the car and depending on the amount in the tank, driving maneuver, terrain, etc.
 

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kmccart....maybe this is one of the things I posted in a previous thread, slight improvements from 2015 to 2016 models....I have never heard fuel sloshing around ever. Usually gas tanks have fuel baffles inside the tank to stop fuel from moving around, maybe blankster can chime in on this....love to see an exploded view of the gas tanks for both years!
 
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blankster, do you know if these tanks come with baffles? you wouldn't happen to have an exploded view of one, would ya? I tried to google it but not having much luck... Thanks for the link man,too bad they don't show exploded view!
 

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The manufacturing spec would show the internals - From a parts standpoint its just the fuel tank... I could see an air pocket forming on the portion that runs under the seat.. So the sloshing could be a ventilation problem not a design issue.
 

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Yeah, maybe...but according to that diagram,it's vented from and rear...
 

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I have heard sloshing twice now with a tank near full. That being said... it left me with a huge smile on my face! It's quiet enought in my car to here this. It doesnt last long, so I dont mind. :)

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