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Decelleration Issue

Discussion in 'New Member Introductions' started by RGbabylon, August 1, 2011.

^^Searches ExplorerForum.com^^
  1. RGbabylon

    RGbabylon New Member

    Joined:
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    City, State:
    babylon, ny
    Year, Model & Trim Level:
    2003 Ford Explorer AWDV6
    Hello All,

    I have been coming to this site to see if I can identify the issue with my 03 explorer. Love my explorer has over 110,000 mi on it and looking to get another 5 years out of it.

    Here is my issue, I recently started to notice a slight vibration when I would let off the gas from 50 mph to below, it is a consistent vibration about 2-3 seconds apart. I put in Neutral to make sure it was not the transmission, still did when I would not hit the brakes so nothing is sticking. It almost feels like I am going over a speed bump without actually going over a speed bump and have the up and down motion. Took it to a mechanic shop they put it on the lift and said the sound was coming from the transfer case. Bought a used, lower mileage transfer case put it in, starting the issues all over again. Definitely more subtle than right before I put the transfer case in that was real bad.

    I will have this issue more if I am going 50-70 MPH on highway and run into a lot of traffic and slow down to 25-35 MPH a lot. When it was at its worse I would feel the vibration all the way down until I cam to a stop. Right now, it is not doing that because of the new transfer case but can tell will it eventually. I looked at the teeth on the transfer case and saw 5-6 were worn out a little. What is connected to the transfer case with the teeth? Maybe those are bad and that's whats causing the issue?

    Please help..

    Thanks,

    RG
     
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  3. BrooklynBay

    BrooklynBay Moderator & long time member. Staff Member Moderator Elite Explorer

    Joined:
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    City, State:
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    Year, Model & Trim Level:
    88 89 93 95 96 Aerostars
    Welcome to this forum! Check the rear driveshaft & U joints.
     
  4. RGbabylon

    RGbabylon New Member

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    City, State:
    babylon, ny
    Year, Model & Trim Level:
    2003 Ford Explorer AWDV6
    Thanks but the mechanic had said the U-Joints were okay. Another mechanic put it up on lift and said it was the transfer case. $650 later, it was never the transfer case. I am still driving it, at times i notice that I am now feeling the pulse when accelerating at a slow RPM around 30-40MPH. and then goes away at higher RPM's and higher speeds and then feel the pulse when I let off the gas...

    It does feel like the driveshaft is bouncing somewhat. So now I am thinking if it is the Front Diff?
     






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