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Discuss Motor mount TSB service done - My thoughts and observations at the Focus ST Performance within the Ford ST Nation; Ok, so I got my ...
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    ST Nation Sergeant Major sda3's Avatar
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    Motor mount TSB service done - My thoughts and observations

    Ok, so I got my car back this afternoon with the TSB parts all replaced. The shop took the time to have the tech go out and show me what he had done, which was nice, I've never been to a dealer where the tech who worked on the car did the post work walkthrough. He told me that the old RMM (roll restrictor) was so weak that he could move it with his hands. I asked about the clutch line and he said the only difference between the old and new was the new one was all rubber, the old one had a metal section in it. He also showed me that one of the airbox mounts cracked when they reinstalled the airbox in the car and that he had epoxied it back together and that they would order a new one under warranty and replace it on the next service, or sooner if it didnt hold. I was surprised but very happy that he showed me, our Mazda dealer would have just hidden it and not said a word. He also mentioned that after bleeding the clutch there might be a bit of air that would work its way out after I took it, but in his test drive it was fine. Anyway, on to what you all are waiting for....

    Drive home from the dealer - this trip was only about 7 miles, mostly in town with a short jaunt on the freeway, about 2 miles of it. It tried at every light I stopped at and was able to dump the clutch between 1-2 and 2-3. On this short trip in every situation I was unable to get the bang! I didn't try to induce wheel hop off the line in this trip. There were 2 of a dozen situations where the clutch did not pop back out as fast as it should which made me a little skeptical. I figured it was likely that it was just air in the line working its way through so after this short trip I decided to take it on a much longer excursion.

    40 mile trip - After I was home and the car was off for about 20 minutes I took it back out on varying city streets and freeway/highway. I drove it hard, trying to induce the bang in every shift I could. I was unable to, even dumping the clutch at around 6000 rpm. On this longer trip the clutch engagement was back to absolute normal engaging and disengaging and was not slow to return at all, making me pretty sure the 2 situations on the earlier trip were indeed from some residual air in the line. I even attempted to peel out off the line, a situation that would induce terrible wheel hop in my car before, and after several seconds peeling out off the line, and some good wheel spin there was no wheel hop whatsoever. I haven't tested in the wet yet, which was very easy to induce wheel hop before the TSB fix, but for the miles I drove today I would call the replacement mounts a success and totally worth doing.

    I did have to reset all my auto up and down windows afterwards, and at idle I at one point I thought there may have been a slightly stronger vibration, but I am unsure if it really was or not. If it was, it was very subtle. I'll have to pay closer attention to this, especially when the car is cold and see if I notice any difference.

    UPDATE!!
    On cold start today I paid close attention to the vibrations, it really did feel pretty normal. There may be a very, very slight increase before the car drops down to normal idle speed, but I may be grasping at straws here. If there is anything it is pretty close to un-noticeable.

    Sorry for the epistle, hope it helps you all.
    Last edited by sda3; 06-22-2013 at 11:31 AM.
    Chad, agr964, jthj and 4 others like this.

  2. #2
    ST Nation Corporal Screamingfast's Avatar
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    Okay so I am glad to hear this!!! Going to have this done asap!

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    ST Nation Officer Enlist jtswank's Avatar
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    This is good. Thanks for posting the update.
    TB ST3 Build Date = 1/2/2013

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    Director of Art oaxa's Avatar
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    Glad to hear Ford Addressed this
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    ST Nation Corporal
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    Great write up, thanks! My car goes in next week!


    Sent from my iPad using Tapatalk

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    Sergeant of ST Nation Cowlynz's Avatar
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    good news! Glad to hear there isn't a boatload of vibrations to worry about.
    I had my car in shop for first oil change and a few other things, including asking to swap the E-focus Rmm the Thursday before the TSB was released.
    The car went to a paint shop to address some factory defects first. That took one week & was back @ dealer shop for rmm & change oil, Etc., Parts for TSB were on backorder already .
    At least they are ordered.

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    ST Nation Officer Enlist blackbird's Avatar
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    Nice to hear the new mounts are doing a better job keeping the powertrain in check. It's also good to hear they still retain a lot of the factory vibration control. I'll probably schedule mine in a couple weeks when all the parts are available.
    Eric H.
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    ST Nation Master Sergeant
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    Anyone want to buy a slightly used cpe RMM?

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    Quote Originally Posted by kflaig View Post
    Anyone want to buy a slightly used cpe RMM?
    I think that the CP-E mount is still the way to go if you are boosting power. Since I'm an autocrosser, the OEM fix really appeals to me but if I were adding on intakes, downpipes, intercooler, etc... I'd keep the CP-E mount on the car to tame all that extra power as even the new improved mounts probably won't be up to managing boosted power.
    sda3 likes this.

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    ST Nation Sergeant Major sda3's Avatar
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    Quote Originally Posted by Shomare View Post
    I think that the CP-E mount is still the way to go if you are boosting power. Since I'm an autocrosser, the OEM fix really appeals to me but if I were adding on intakes, downpipes, intercooler, etc... I'd keep the CP-E mount on the car to tame all that extra power as even the new improved mounts probably won't be up to managing boosted power.
    It will be interesting to see if it softens at all over time. If I were doing stage 2 or 3 I think I would still install a CPE mount. If I get to that point I probably will.

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