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2012 sport transmission grinding/rattling issues


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3 replies to this topic

#1 OFFLINE   kman937

kman937

    New Fusion Member

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  • Region:U.S. Great Lakes
  • Location:Minneapolis, MN
  • My Fusion:2012
  • Current Vehicle:2012 Ford Fusion Sport
  • Social Group: myfusion

Posted 10 April 2017 - 12:16 PM

Hello all, I purchased my 2012 Fusion Sport in October of 2015 with 40k miles. It is CPO and now has 50k miles. There's two grinding/rattling issues I'm having from the transmission that I'd like your expertise on: 

 

The first issue is on cold starts. When I start the car I let it run for about 30 sec and wait for it to idle down. When I shift to reverse I hear a fairly quiet grinding sound. It is not a constant grind but phases in and out kind of in bursts and waves if that makes sense. This issue only happens on cold starts and goes away as soon as I put it in drive. 

 

The second issue happens when the vehicle is fully warmed up, after about 30 min of driving. There is a definite rattling sound that happens under very light acceleration. For example if I take off from a stop sign slowly (I drove fairly slow). The grinding happens when the vehicle is in gear, not during shifts. It is a constant rattle that is most noticeable with light throttle input in 3rd and 4th gear. I can hear it only with windows down but it is fairly noticeable. I do not hear the rattle under heavier acceleration. It rarely can be hear under light acceleration at highway speeds in 6th as well. 

 

The vehicle has never had a transmission fluid flush. I'm more than willing to do this, but think the fluid may be low. 

 

Thank you for your help. This is the type of thing that may not bother everyone but it bother me. 

 









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#2 OFFLINE   andyross

andyross

    Advanced Member

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  • Region:U.S. Great Lakes
  • Location:Chicago, IL
  • My Fusion:2011
  • Current Vehicle:2011 Fusion SEL
  • Social Group: myfusion

Posted 10 April 2017 - 12:47 PM

Could be a heat shield that is coming loose. Check the exhaust system and related.


  • kman937 likes this

#3 OFFLINE   BlueOval2010

BlueOval2010

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  • Ford Fusion Team
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  • Region:U.S. Great Lakes
  • Location:Hilliard, Ohio
  • My Fusion:2010
  • Current Vehicle:2010 Fusion Sport
  • Social Group: myfusion

Posted 10 April 2017 - 04:12 PM

The heat shields do come loose. Mine was rattling but "disappeared" before I could fix it. Probably laying along side I-270 somewhere.



#4 OFFLINE   kman937

kman937

    New Fusion Member

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  • Region:U.S. Great Lakes
  • Location:Minneapolis, MN
  • My Fusion:2012
  • Current Vehicle:2012 Ford Fusion Sport
  • Social Group: myfusion

Posted 11 April 2017 - 10:33 PM

Okay thank you for the responses. I never even thought about a heat shield but this makes a lot of sense. My transmission shifts very smoothly and have never had any issues so I will look into the whole heat shield issue.






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