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Re: [Shop-talk] Manual transmission issue???

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Subject: Re: [Shop-talk] Manual transmission issue???
From: Bob Spidell <bspidell@comcast.net> j+A3YUx5EuGZ00OkwHJmPEtAY4hbx5qNZXqucyMgZaIYtrBGT8ATfVyuTqQ7JRwts35kNUN7hRpc8rgIDvt5gIVkNvXxSjQpChQ=
Date: Sun, 25 May 2025 08:55:29 -0700
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One of my Austin-Healeys has diff whine since I put in taller gears, and 
it whines on accel or decel, but I'll be damned if I can recall which it 
is offhand. The other possibility is the throw-out bearing, but it would 
likely whine all the time (and eventually fail outright).

None of these would trigger a CEL; what was the cause of that (should be 
on the invoice she got from the shop)?


On 5/25/2025 8:15 AM, Moose wrote:
> Jeff, this is a good idea.  Will do.
>
> The reason I'm really confused is that the noise is only when you give 
> it ANY throttle.  So even if you are not accelerating (i.e. Not under 
> load.), but just have the pedal down a little, you hear the noise.
>
> Wouldn't both the differential and drive shafts make noise all the 
> time, or at least under load?
>
> But I plan to do a much deeper dive.
>
> Thanks again to everyone with this.
>
> Moose
>
>
>
> From: Jeff Scarbrough <fishplate@gmail.com>
> To: Moose <eric@megageek.com>
> Cc: "shop-talk@autox.team.net" <Shop-talk@autox.team.net>
> Date: 05/25/2025 11:03
> Subject: Re: [Shop-talk] Manual transmission issue???
> ------------------------------------------------------------------------
>
>
>
> Have you checked the differential(s) and drive shafts? My TR6 had an 
> annoying transmission noise that, after a rebuild, turned out to be in 
> the diff.
>
> Noises in a car are notoriously hard to track down by sitting inside.
>
> On Sun, May 25, 2025, 08:47 Moose <_eric@megageek.com_ 
> Braintrust,
>
> I don't mess with transmissions at all, so I'm in the dark here. 
> Hopefully someone has the answer and it's an easy fix.
>
> The issue,   2017 Jeep Patriot with a 5 speed manual transmission 
> makes a 'whirring' sound when driving in 3rd gear or higher.
>
> Started about a year ago, when car was picked up from a franchise 
> mechanic shop.  (owner of car is a single woman without much money.)
>
> When she called them back they where like, "Well, we would have to 
> charge you to look at it."  So since she already suspected they caused 
> the issues, she didn't want to give them more money.
>
> She brought it to another shop and they said, "You need a new 
> transmission."  That will more than likely exceed the valve of the 
> Jeep. So they just did a fluid change, and that was it.  Note, in 
> their carfax report, they listed that they "installed a new 
> transmission" in addition to the fluid change, so I don't trust them 
> either.
>
> It's a manual 5 speed.  I checked the fluid level and it is exactly 
> where it should be.  So I did a road test.
>
> Here is the crazy part.
> There is NOTHING that I can feel that would indicate any transmission 
> problems. No slipping, no chucking, it shifts smooth and pulls 
> strong.  No vibrations. The only thing is that noise, and that ONLY 
> happens when you give it throttle.
>
> So if you are going down the street at 50, and take your foot off the 
> gas pedal, noise goes away. If you just give it a little gas, noise 
> returns.
>
> If you have it in neutral coasting, no noise.  If you are engine 
> braking, no noise. The noise is ONLY if you have your foot on the gas 
> in the slightest.
>
> Note, there is also no noticeable noise in 1st or 2nd gear.
>
> I am thinking that the original shop did something to the car to make 
> it start this noise, knowing she would take it back there to get it 
> fixed and that it's a simple fix.
>
> I would love to be able to fix this as it is a hard working girl that 
> doesn't have much money and really takes care of her car.  She is also 
> a good friend of my fiancee, so it would be bonus points for me. 8>)
>
> Thanks and I hope everyone takes a moment to think about all the 
> Soldier's that gave their lives to protect our freedoms, (no matter 
> what country you are from.)
>
> Have a great weekend!
>
> Moose_______________________________________________
> _
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>
> _______________________________________________
>
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    One of my Austin-Healeys has diff whine since I put in taller gears,
    and it whines on accel or decel, but I'll be damned if I can recall
    which it is offhand. The other possibility is the throw-out bearing,
    but it would likely whine all the time (and eventually fail
    outright).<br>
    <br>
    None of these would trigger a CEL; what was the cause of that
    (should be on the invoice she got from the shop)?<br>
    <br>
    <br>
    <div class="moz-cite-prefix">On 5/25/2025 8:15 AM, Moose wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:OFBE0BA9F9.6C87FBDE-ON85258C95.0052D4BD-85258C95.0053D13F@mail.megageek.com">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      <font size="2" face="sans-serif">Jeff, this is a good idea.  Will
        do.</font>
      <br>
      <br>
      <font size="2" face="sans-serif">The reason I'm really confused is
        that
        the noise is only when you give it ANY throttle.  So even if you
        are
        not accelerating (i.e. Not under load.), but just have the pedal
        down a
        little, you hear the noise.</font>
      <br>
      <br>
      <font size="2" face="sans-serif">Wouldn't both the </font><font
        size="3">differential
        and drive shafts make noise all the time, or at least under
        load?</font>
      <br>
      <br>
      <font size="2" face="sans-serif">But I plan to do a much deeper
        dive.</font>
      <br>
      <br>
      <font size="2" face="sans-serif">Thanks again to everyone with
        this.</font>
      <br>
      <br>
      <font size="2" face="sans-serif">Moose</font>
      <br>
      <br>
      <br>
      <br>
      <font size="1" color="#5f5f5f" face="sans-serif">From:      
         </font><font size="1" face="sans-serif">Jeff Scarbrough
        <a class="moz-txt-link-rfc2396E" 
href="mailto:fishplate@gmail.com";>&lt;fishplate@gmail.com&gt;</a></font>
      <br>
      <font size="1" color="#5f5f5f" face="sans-serif">To:      
         </font><font size="1" face="sans-serif">Moose
        <a class="moz-txt-link-rfc2396E" 
href="mailto:eric@megageek.com";>&lt;eric@megageek.com&gt;</a></font>
      <br>
      <font size="1" color="#5f5f5f" face="sans-serif">Cc:      
         </font><font size="1" face="sans-serif"><a 
class="moz-txt-link-rfc2396E" 
href="mailto:shop-talk@autox.team.net";>"shop-talk@autox.team.net"</a>
        <a class="moz-txt-link-rfc2396E" 
href="mailto:Shop-talk@autox.team.net";>&lt;Shop-talk@autox.team.net&gt;</a></font>
      <br>
      <font size="1" color="#5f5f5f" face="sans-serif">Date:      
         </font><font size="1" face="sans-serif">05/25/2025 11:03</font>
      <br>
      <font size="1" color="#5f5f5f" face="sans-serif">Subject:    
           </font><font size="1" face="sans-serif">Re: [Shop-talk]
        Manual transmission issue???</font>
      <br>
      <hr noshade="noshade">
      <br>
      <br>
      <br>
      <font size="3">Have you checked the differential(s) and drive
        shafts? 
        My TR6 had an annoying transmission noise that, after a rebuild,
        turned
        out to be in the diff.  </font>
      <br>
      <br>
      <font size="3">Noises in a car are notoriously hard to track down
        by
        sitting inside.</font>
      <br>
      <br>
      <font size="3">On Sun, May 25, 2025, 08:47 Moose &lt;</font><a
        href="mailto:eric@megageek.com"; moz-do-not-send="true"><font
          size="3" color="blue"><u>eric@megageek.com</u></font></a><font
        size="3">&gt;
        wrote:</font>
      <br>
      <font size="2" face="sans-serif">Braintrust,</font><font size="3">
        <br>
      </font><font size="2" face="sans-serif"><br>
        I don't mess with transmissions at all, so I'm in the dark
        here. 
        Hopefully someone has the answer and it's an easy fix.</font><font
        size="3">
        <br>
      </font><font size="2" face="sans-serif"><br>
        The issue,   2017 Jeep Patriot with a 5 speed manual
        transmission
        makes a 'whirring' sound when driving in 3rd gear or higher.</font><font
        size="3">
        <br>
      </font><font size="2" face="sans-serif"><br>
        Started about a year ago, when car was picked up from a
        franchise mechanic
        shop.  (owner of car is a single woman without much money.) 
</font><font
        size="3"><br>
      </font><font size="2" face="sans-serif"><br>
        When she called them back they where like, "Well, we would have
        to
        charge you to look at it."  So since she already suspected they
        caused the issues, she didn't want to give them more money.</font><font
        size="3">
        <br>
      </font><font size="2" face="sans-serif"><br>
        She brought it to another shop and they said, "You need a new
        transmission."
         That will more than likely exceed the valve of the Jeep. So
        they
        just did a fluid change, and that was it.  Note, in their carfax
        report,
        they listed that they "installed a new transmission" in addition
        to the fluid change, so I don't trust them either.</font><font
        size="3">
        <br>
      </font><font size="2" face="sans-serif"><br>
        It's a manual 5 speed.  I checked the fluid level and it is
        exactly
        where it should be.  So I did a road test.</font><font size="3">
        <br>
      </font><font size="2" face="sans-serif"><br>
        Here is the crazy part.</font><font size="3"> </font><font
        size="2" face="sans-serif"><br>
        There is NOTHING that I can feel that would indicate any
        transmission problems. 
        No slipping, no chucking, it shifts smooth and pulls strong.  No
        vibrations. 
        The only thing is that noise, and that ONLY happens when you
        give it throttle.</font><font size="3">
        <br>
      </font><font size="2" face="sans-serif"><br>
        So if you are going down the street at 50, and take your foot
        off the gas
        pedal, noise goes away. If you just give it a little gas, noise
        returns.</font><font size="3">
        <br>
      </font><font size="2" face="sans-serif"><br>
        If you have it in neutral coasting, no noise.  If you are engine
        braking,
        no noise. The noise is ONLY if you have your foot on the gas in
        the slightest.</font><font size="3">
        <br>
      </font><font size="2" face="sans-serif"><br>
        Note, there is also no noticeable noise in 1st or 2nd gear.</font><font
        size="3">
        <br>
      </font><font size="2" face="sans-serif"><br>
        I am thinking that the original shop did something to the car to
        make it
        start this noise, knowing she would take it back there to get it
        fixed
        and that it's a simple fix.</font><font size="3"> <br>
      </font><font size="2" face="sans-serif"><br>
        I would love to be able to fix this as it is a hard working girl
        that doesn't
        have much money and really takes care of her car.  She is also a
        good
        friend of my fiancee, so it would be bonus points for me. 
8&gt;)</font><font
        size="3">
        <br>
      </font><font size="2" face="sans-serif"><br>
        Thanks and I hope everyone takes a moment to think about all the
        Soldier's
        that gave their lives to protect our freedoms, (no matter what
        country
        you are from.)</font><font size="3"> <br>
      </font><font size="2" face="sans-serif"><br>
        Have a great weekend!</font><font size="3"> <br>
      </font><font size="2" face="sans-serif"><br>
        Moose</font><font 
size="3">_______________________________________________<br>
      </font><font size="3" color="blue"><u><br>
        </u></font><a href="mailto:Shop-talk@autox.team.net";
        target="_blank" moz-do-not-send="true"><font size="3"
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